staging/lustre/include: Adjust comment style
This fixes most of the "Block comments use a trailing */ on a separate line" checkpatch warnings, also some slight reformats of structures or comments at places. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>hifive-unleashed-5.1
Oleg Drokin
Greg Kroah-Hartman
parent
a1e616b08e
commit
c56e256d50
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@ -157,7 +157,8 @@ struct cl_device {
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};
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/** \addtogroup cl_object cl_object
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* @{ */
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* @{
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*/
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/**
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* "Data attributes" of cl_object. Data attributes can be updated
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* independently for a sub-object, and top-object's attributes are calculated
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@ -288,13 +289,14 @@ struct cl_object_conf {
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enum {
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/** configure layout, set up a new stripe, must be called while
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* holding layout lock. */
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* holding layout lock.
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*/
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OBJECT_CONF_SET = 0,
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/** invalidate the current stripe configuration due to losing
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* layout lock. */
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* layout lock.
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*/
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OBJECT_CONF_INVALIDATE = 1,
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/** wait for old layout to go away so that new layout can be
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* set up. */
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/** wait for old layout to go away so that new layout can be set up. */
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OBJECT_CONF_WAIT = 2
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};
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@ -393,7 +395,8 @@ struct cl_object_operations {
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*/
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struct cl_object_header {
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/** Standard lu_object_header. cl_object::co_lu::lo_header points
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* here. */
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* here.
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*/
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struct lu_object_header coh_lu;
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/** \name locks
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* \todo XXX move locks below to the separate cache-lines, they are
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@ -464,7 +467,8 @@ struct cl_object_header {
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#define CL_PAGE_EOF ((pgoff_t)~0ull)
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/** \addtogroup cl_page cl_page
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* @{ */
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* @{
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*/
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/** \struct cl_page
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* Layered client page.
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@ -687,12 +691,14 @@ enum cl_page_state {
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enum cl_page_type {
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/** Host page, the page is from the host inode which the cl_page
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* belongs to. */
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* belongs to.
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*/
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CPT_CACHEABLE = 1,
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/** Transient page, the transient cl_page is used to bind a cl_page
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* to vmpage which is not belonging to the same object of cl_page.
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* it is used in DirectIO, lockless IO and liblustre. */
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* it is used in DirectIO, lockless IO and liblustre.
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*/
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CPT_TRANSIENT,
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};
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@ -728,7 +734,8 @@ struct cl_page {
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/** Parent page, NULL for top-level page. Immutable after creation. */
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struct cl_page *cp_parent;
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/** Lower-layer page. NULL for bottommost page. Immutable after
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* creation. */
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* creation.
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*/
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struct cl_page *cp_child;
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/**
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* Page state. This field is const to avoid accidental update, it is
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@ -1126,7 +1133,8 @@ static inline int __page_in_use(const struct cl_page *page, int refc)
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/** @} cl_page */
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/** \addtogroup cl_lock cl_lock
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* @{ */
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* @{
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*/
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/** \struct cl_lock
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*
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* Extent locking on the client.
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@ -1641,7 +1649,8 @@ struct cl_lock {
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struct cl_lock_slice {
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struct cl_lock *cls_lock;
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/** Object slice corresponding to this lock slice. Immutable after
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* creation. */
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* creation.
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*/
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struct cl_object *cls_obj;
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const struct cl_lock_operations *cls_ops;
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/** Linkage into cl_lock::cll_layers. Immutable after creation. */
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@ -1885,7 +1894,8 @@ struct cl_2queue {
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/** @} cl_page_list */
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/** \addtogroup cl_io cl_io
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* @{ */
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* @{
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*/
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/** \struct cl_io
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* I/O
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*
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@ -2284,7 +2294,8 @@ enum cl_fsync_mode {
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/** discard all of dirty pages in a specific file range */
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CL_FSYNC_DISCARD = 2,
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/** start writeback and make sure they have reached storage before
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* return. OST_SYNC RPC must be issued and finished */
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* return. OST_SYNC RPC must be issued and finished
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*/
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CL_FSYNC_ALL = 3
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};
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@ -2403,7 +2414,8 @@ struct cl_io {
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/** @} cl_io */
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/** \addtogroup cl_req cl_req
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* @{ */
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* @{
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*/
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/** \struct cl_req
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* Transfer.
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*
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@ -2582,7 +2594,8 @@ enum cache_stats_item {
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/** how many entities are in the cache right now */
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CS_total,
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/** how many entities in the cache are actively used (and cannot be
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* evicted) right now */
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* evicted) right now
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*/
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CS_busy,
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/** how many entities were created at all */
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CS_create,
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@ -2725,7 +2738,8 @@ void cl_req_slice_add(struct cl_req *req, struct cl_req_slice *slice,
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/** @} helpers */
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/** \defgroup cl_object cl_object
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* @{ */
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* @{
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*/
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struct cl_object *cl_object_top (struct cl_object *o);
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struct cl_object *cl_object_find(const struct lu_env *env, struct cl_device *cd,
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const struct lu_fid *fid,
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@ -2770,7 +2784,8 @@ static inline void *cl_object_page_slice(struct cl_object *clob,
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/** @} cl_object */
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/** \defgroup cl_page cl_page
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* @{ */
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* @{
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*/
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enum {
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CLP_GANG_OKAY = 0,
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CLP_GANG_RESCHED,
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@ -2888,7 +2903,8 @@ void cl_lock_descr_print(const struct lu_env *env, void *cookie,
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/** @} cl_page */
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/** \defgroup cl_lock cl_lock
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* @{ */
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* @{
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*/
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struct cl_lock *cl_lock_hold(const struct lu_env *env, const struct cl_io *io,
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const struct cl_lock_descr *need,
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@ -2966,7 +2982,8 @@ int cl_lock_enqueue_wait(const struct lu_env *env, struct cl_lock *lock,
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*
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* cl_use_try() NONE cl_lock_operations::clo_use() CLS_HELD
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*
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* @{ */
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* @{
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*/
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int cl_wait (const struct lu_env *env, struct cl_lock *lock);
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void cl_unuse (const struct lu_env *env, struct cl_lock *lock);
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@ -3019,7 +3036,8 @@ unsigned long cl_lock_weigh(const struct lu_env *env, struct cl_lock *lock);
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/** @} cl_lock */
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/** \defgroup cl_io cl_io
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* @{ */
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* @{
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*/
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int cl_io_init (const struct lu_env *env, struct cl_io *io,
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enum cl_io_type iot, struct cl_object *obj);
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@ -3094,7 +3112,8 @@ do { \
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/** @} cl_io */
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/** \defgroup cl_page_list cl_page_list
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* @{ */
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* @{
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*/
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/**
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* Last page in the page list.
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@ -3137,7 +3156,8 @@ void cl_2queue_init_page(struct cl_2queue *queue, struct cl_page *page);
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/** @} cl_page_list */
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/** \defgroup cl_req cl_req
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* @{ */
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* @{
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*/
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struct cl_req *cl_req_alloc(const struct lu_env *env, struct cl_page *page,
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enum cl_req_type crt, int nr_objects);
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@ -3214,7 +3234,8 @@ void cl_sync_io_note(struct cl_sync_io *anchor, int ioret);
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* - cl_env_reexit(cl_env_reenter had to be called priorly)
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*
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* \see lu_env, lu_context, lu_context_key
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* @{ */
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* @{
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*/
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struct cl_env_nest {
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int cen_refcheck;
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@ -383,7 +383,8 @@ void cl_put_grouplock(struct ccc_grouplock *cg);
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*
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* NB: If you find you have to use these interfaces for your new code, please
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* think about it again. These interfaces may be removed in the future for
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* better layering. */
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* better layering.
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*/
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struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj);
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void lov_lsm_put(struct cl_object *clobj, struct lov_stripe_md *lsm);
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int lov_read_and_clear_async_rc(struct cl_object *clob);
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@ -175,7 +175,8 @@ struct lprocfs_percpu {
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enum lprocfs_stats_flags {
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LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
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LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
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* area and need locking */
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* area and need locking
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*/
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LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */
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};
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@ -196,7 +197,8 @@ struct lprocfs_stats {
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unsigned short ls_biggest_alloc_num;
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enum lprocfs_stats_flags ls_flags;
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/* Lock used when there are no percpu stats areas; For percpu stats,
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* it is used to protect ls_biggest_alloc_num change */
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* it is used to protect ls_biggest_alloc_num change
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*/
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spinlock_t ls_lock;
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/* has ls_num of counter headers */
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@ -611,9 +613,10 @@ int lprocfs_single_release(struct inode *, struct file *);
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int lprocfs_seq_release(struct inode *, struct file *);
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/* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
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proc entries; otherwise, you will define name##_seq_write function also for
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a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
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call ldebugfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
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* proc entries; otherwise, you will define name##_seq_write function also for
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* a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
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* call ldebugfs_obd_seq_create(obd, filename, 0444, &name#_fops, data);
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*/
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#define __LPROC_SEQ_FOPS(name, custom_seq_write) \
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static int name##_single_open(struct inode *inode, struct file *file) \
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{ \
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@ -166,7 +166,8 @@ struct lu_device_operations {
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*/
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enum loc_flags {
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/* This is a new object to be allocated, or the file
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* corresponding to the object does not exists. */
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* corresponding to the object does not exists.
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*/
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LOC_F_NEW = 0x00000001,
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};
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@ -895,7 +896,8 @@ enum lu_xattr_flags {
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/** @} helpers */
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/** \name lu_context
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* @{ */
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* @{
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*/
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/** For lu_context health-checks */
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enum lu_context_state {
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@ -47,9 +47,11 @@
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struct ll_fiemap_extent {
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__u64 fe_logical; /* logical offset in bytes for the start of
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* the extent from the beginning of the file */
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* the extent from the beginning of the file
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*/
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__u64 fe_physical; /* physical offset in bytes for the start
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* of the extent from the beginning of the disk */
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* of the extent from the beginning of the disk
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*/
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__u64 fe_length; /* length in bytes for this extent */
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__u64 fe_reserved64[2];
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__u32 fe_flags; /* FIEMAP_EXTENT_* flags for this extent */
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@ -59,9 +61,11 @@ struct ll_fiemap_extent {
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struct ll_user_fiemap {
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__u64 fm_start; /* logical offset (inclusive) at
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* which to start mapping (in) */
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* which to start mapping (in)
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*/
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__u64 fm_length; /* logical length of mapping which
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* userspace wants (in) */
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* userspace wants (in)
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*/
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__u32 fm_flags; /* FIEMAP_FLAG_* flags for request (in/out) */
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__u32 fm_mapped_extents;/* number of extents that were mapped (out) */
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__u32 fm_extent_count; /* size of fm_extents array (in) */
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@ -71,28 +75,38 @@ struct ll_user_fiemap {
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#define FIEMAP_MAX_OFFSET (~0ULL)
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#define FIEMAP_FLAG_SYNC 0x00000001 /* sync file data before map */
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#define FIEMAP_FLAG_XATTR 0x00000002 /* map extended attribute tree */
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#define FIEMAP_EXTENT_LAST 0x00000001 /* Last extent in file. */
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#define FIEMAP_EXTENT_UNKNOWN 0x00000002 /* Data location unknown. */
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#define FIEMAP_EXTENT_DELALLOC 0x00000004 /* Location still pending.
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* Sets EXTENT_UNKNOWN. */
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#define FIEMAP_EXTENT_ENCODED 0x00000008 /* Data can not be read
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* while fs is unmounted */
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#define FIEMAP_EXTENT_DATA_ENCRYPTED 0x00000080 /* Data is encrypted by fs.
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* Sets EXTENT_NO_DIRECT. */
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#define FIEMAP_FLAG_SYNC 0x00000001 /* sync file data before
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* map
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*/
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#define FIEMAP_FLAG_XATTR 0x00000002 /* map extended attribute
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* tree
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*/
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#define FIEMAP_EXTENT_LAST 0x00000001 /* Last extent in file. */
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#define FIEMAP_EXTENT_UNKNOWN 0x00000002 /* Data location unknown. */
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#define FIEMAP_EXTENT_DELALLOC 0x00000004 /* Location still pending.
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* Sets EXTENT_UNKNOWN.
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*/
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#define FIEMAP_EXTENT_ENCODED 0x00000008 /* Data can not be read
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* while fs is unmounted
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*/
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#define FIEMAP_EXTENT_DATA_ENCRYPTED 0x00000080 /* Data is encrypted by fs.
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* Sets EXTENT_NO_DIRECT.
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*/
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#define FIEMAP_EXTENT_NOT_ALIGNED 0x00000100 /* Extent offsets may not be
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* block aligned. */
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* block aligned.
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*/
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#define FIEMAP_EXTENT_DATA_INLINE 0x00000200 /* Data mixed with metadata.
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* Sets EXTENT_NOT_ALIGNED.*/
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#define FIEMAP_EXTENT_DATA_TAIL 0x00000400 /* Multiple files in block.
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* Sets EXTENT_NOT_ALIGNED.*/
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#define FIEMAP_EXTENT_UNWRITTEN 0x00000800 /* Space allocated, but
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* no data (i.e. zero). */
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#define FIEMAP_EXTENT_MERGED 0x00001000 /* File does not natively
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#define FIEMAP_EXTENT_DATA_TAIL 0x00000400 /* Multiple files in block.
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* Sets EXTENT_NOT_ALIGNED.
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*/
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#define FIEMAP_EXTENT_UNWRITTEN 0x00000800 /* Space allocated, but
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* no data (i.e. zero).
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*/
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#define FIEMAP_EXTENT_MERGED 0x00001000 /* File does not natively
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* support extents. Result
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* merged for efficiency. */
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* merged for efficiency.
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*/
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static inline size_t fiemap_count_to_size(size_t extent_count)
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{
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@ -114,7 +128,8 @@ static inline unsigned fiemap_size_to_count(size_t array_size)
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/* Lustre specific flags - use a high bit, don't conflict with upstream flag */
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#define FIEMAP_EXTENT_NO_DIRECT 0x40000000 /* Data mapping undefined */
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#define FIEMAP_EXTENT_NET 0x80000000 /* Data stored remotely.
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* Sets NO_DIRECT flag */
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#define FIEMAP_EXTENT_NET 0x80000000 /* Data stored remotely.
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* Sets NO_DIRECT flag
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*/
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#endif /* _LUSTRE_FIEMAP_H */
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@ -85,9 +85,8 @@ struct obd_statfs {
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__u32 os_namelen;
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__u64 os_maxbytes;
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__u32 os_state; /**< obd_statfs_state OS_STATE_* flag */
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__u32 os_fprecreated; /* objs available now to the caller */
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/* used in QoS code to find preferred
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* OSTs */
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__u32 os_fprecreated; /* objs available now to the caller */
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/* used in QoS code to find preferred OSTs */
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__u32 os_spare2;
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__u32 os_spare3;
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__u32 os_spare4;
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@ -135,7 +134,8 @@ struct filter_fid_old {
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/* Userspace should treat lu_fid as opaque, and only use the following methods
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* to print or parse them. Other functions (e.g. compare, swab) could be moved
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* here from lustre_idl.h if needed. */
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* here from lustre_idl.h if needed.
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*/
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struct lu_fid;
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/**
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@ -266,7 +266,8 @@ struct ost_id {
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/* Define O_LOV_DELAY_CREATE to be a mask that is not useful for regular
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* files, but are unlikely to be used in practice and are not harmful if
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* used incorrectly. O_NOCTTY and FASYNC are only meaningful for character
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* devices and are safe for use on new files (See LU-812, LU-4209). */
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* devices and are safe for use on new files (See LU-812, LU-4209).
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*/
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#define O_LOV_DELAY_CREATE (O_NOCTTY | FASYNC)
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#define LL_FILE_IGNORE_LOCK 0x00000001
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@ -302,7 +303,8 @@ struct ost_id {
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* The limit of 12 pages is somewhat arbitrary, but is a reasonably large
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* allocation that is sufficient for the current generation of systems.
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*
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* (max buffer size - lov+rpc header) / sizeof(struct lov_ost_data_v1) */
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* (max buffer size - lov+rpc header) / sizeof(struct lov_ost_data_v1)
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*/
|
||||
#define LOV_MAX_STRIPE_COUNT 2000 /* ((12 * 4096 - 256) / 24) */
|
||||
#define LOV_ALL_STRIPES 0xffff /* only valid for directories */
|
||||
#define LOV_V1_INSANE_STRIPE_COUNT 65532 /* maximum stripe count bz13933 */
|
||||
|
|
@ -323,9 +325,11 @@ struct lov_user_md_v1 { /* LOV EA user data (host-endian) */
|
|||
__u16 lmm_stripe_count; /* num stripes in use for this object */
|
||||
union {
|
||||
__u16 lmm_stripe_offset; /* starting stripe offset in
|
||||
* lmm_objects, use when writing */
|
||||
* lmm_objects, use when writing
|
||||
*/
|
||||
__u16 lmm_layout_gen; /* layout generation number
|
||||
* used when reading */
|
||||
* used when reading
|
||||
*/
|
||||
};
|
||||
struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */
|
||||
} __attribute__((packed, __may_alias__));
|
||||
|
|
@ -338,9 +342,11 @@ struct lov_user_md_v3 { /* LOV EA user data (host-endian) */
|
|||
__u16 lmm_stripe_count; /* num stripes in use for this object */
|
||||
union {
|
||||
__u16 lmm_stripe_offset; /* starting stripe offset in
|
||||
* lmm_objects, use when writing */
|
||||
* lmm_objects, use when writing
|
||||
*/
|
||||
__u16 lmm_layout_gen; /* layout generation number
|
||||
* used when reading */
|
||||
* used when reading
|
||||
*/
|
||||
};
|
||||
char lmm_pool_name[LOV_MAXPOOLNAME]; /* pool name */
|
||||
struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */
|
||||
|
|
@ -444,7 +450,8 @@ static inline char *obd_uuid2str(const struct obd_uuid *uuid)
|
|||
{
|
||||
if (uuid->uuid[sizeof(*uuid) - 1] != '\0') {
|
||||
/* Obviously not safe, but for printfs, no real harm done...
|
||||
we're always null-terminated, even in a race. */
|
||||
* we're always null-terminated, even in a race.
|
||||
*/
|
||||
static char temp[sizeof(*uuid)];
|
||||
|
||||
memcpy(temp, uuid->uuid, sizeof(*uuid) - 1);
|
||||
|
|
@ -455,8 +462,9 @@ static inline char *obd_uuid2str(const struct obd_uuid *uuid)
|
|||
}
|
||||
|
||||
/* Extract fsname from uuid (or target name) of a target
|
||||
e.g. (myfs-OST0007_UUID -> myfs)
|
||||
see also deuuidify. */
|
||||
* e.g. (myfs-OST0007_UUID -> myfs)
|
||||
* see also deuuidify.
|
||||
*/
|
||||
static inline void obd_uuid2fsname(char *buf, char *uuid, int buflen)
|
||||
{
|
||||
char *p;
|
||||
|
|
@ -469,7 +477,8 @@ static inline void obd_uuid2fsname(char *buf, char *uuid, int buflen)
|
|||
}
|
||||
|
||||
/* printf display format
|
||||
e.g. printf("file FID is "DFID"\n", PFID(fid)); */
|
||||
* e.g. printf("file FID is "DFID"\n", PFID(fid));
|
||||
*/
|
||||
#define FID_NOBRACE_LEN 40
|
||||
#define FID_LEN (FID_NOBRACE_LEN + 2)
|
||||
#define DFID_NOBRACE "%#llx:0x%x:0x%x"
|
||||
|
|
@ -480,7 +489,8 @@ static inline void obd_uuid2fsname(char *buf, char *uuid, int buflen)
|
|||
(fid)->f_ver
|
||||
|
||||
/* scanf input parse format -- strip '[' first.
|
||||
e.g. sscanf(fidstr, SFID, RFID(&fid)); */
|
||||
* e.g. sscanf(fidstr, SFID, RFID(&fid));
|
||||
*/
|
||||
#define SFID "0x%llx:0x%x:0x%x"
|
||||
#define RFID(fid) \
|
||||
&((fid)->f_seq), \
|
||||
|
|
@ -698,7 +708,8 @@ static inline const char *changelog_type2str(int type)
|
|||
#define CLF_HSM_LAST 15
|
||||
|
||||
/* Remove bits higher than _h, then extract the value
|
||||
* between _h and _l by shifting lower weigth to bit 0. */
|
||||
* between _h and _l by shifting lower weigth to bit 0.
|
||||
*/
|
||||
#define CLF_GET_BITS(_b, _h, _l) (((_b << (CLF_HSM_LAST - _h)) & 0xFFFF) \
|
||||
>> (CLF_HSM_LAST - _h + _l))
|
||||
|
||||
|
|
@ -775,7 +786,8 @@ struct changelog_rec {
|
|||
struct changelog_ext_rec {
|
||||
__u16 cr_namelen;
|
||||
__u16 cr_flags; /**< (flags & CLF_FLAGMASK) |
|
||||
CLF_EXT_VERSION */
|
||||
* CLF_EXT_VERSION
|
||||
*/
|
||||
__u32 cr_type; /**< \a changelog_rec_type */
|
||||
__u64 cr_index; /**< changelog record number */
|
||||
__u64 cr_prev; /**< last index for this target fid */
|
||||
|
|
@ -835,7 +847,8 @@ struct ioc_data_version {
|
|||
};
|
||||
|
||||
#define LL_DV_NOFLUSH 0x01 /* Do not take READ EXTENT LOCK before sampling
|
||||
version. Dirty caches are left unchanged. */
|
||||
* version. Dirty caches are left unchanged.
|
||||
*/
|
||||
|
||||
#ifndef offsetof
|
||||
# define offsetof(typ, memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
|
||||
|
|
@ -1095,7 +1108,8 @@ struct hsm_action_list {
|
|||
__u32 padding1;
|
||||
char hal_fsname[0]; /* null-terminated */
|
||||
/* struct hsm_action_item[hal_count] follows, aligned on 8-byte
|
||||
boundaries. See hai_zero */
|
||||
* boundaries. See hai_zero
|
||||
*/
|
||||
} __packed;
|
||||
|
||||
#ifndef HAVE_CFS_SIZE_ROUND
|
||||
|
|
|
|||
|
|
@ -55,7 +55,8 @@
|
|||
/** If the LCFG_REQUIRED bit is set in a configuration command,
|
||||
* then the client is required to understand this parameter
|
||||
* in order to mount the filesystem. If it does not understand
|
||||
* a REQUIRED command the client mount will fail. */
|
||||
* a REQUIRED command the client mount will fail.
|
||||
*/
|
||||
#define LCFG_REQUIRED 0x0001000
|
||||
|
||||
enum lcfg_command_type {
|
||||
|
|
@ -87,9 +88,11 @@ enum lcfg_command_type {
|
|||
LCFG_POOL_DEL = 0x00ce023, /**< destroy an ost pool name */
|
||||
LCFG_SET_LDLM_TIMEOUT = 0x00ce030, /**< set ldlm_timeout */
|
||||
LCFG_PRE_CLEANUP = 0x00cf031, /**< call type-specific pre
|
||||
* cleanup cleanup */
|
||||
* cleanup cleanup
|
||||
*/
|
||||
LCFG_SET_PARAM = 0x00ce032, /**< use set_param syntax to set
|
||||
*a proc parameters */
|
||||
* a proc parameters
|
||||
*/
|
||||
};
|
||||
|
||||
struct lustre_cfg_bufs {
|
||||
|
|
|
|||
|
|
@ -65,7 +65,8 @@
|
|||
/****************** mount command *********************/
|
||||
|
||||
/* The lmd is only used internally by Lustre; mount simply passes
|
||||
everything as string options */
|
||||
* everything as string options
|
||||
*/
|
||||
|
||||
#define LMD_MAGIC 0xbdacbd03
|
||||
#define LMD_PARAMS_MAXLEN 4096
|
||||
|
|
@ -79,23 +80,26 @@ struct lustre_mount_data {
|
|||
int lmd_recovery_time_soft;
|
||||
int lmd_recovery_time_hard;
|
||||
char *lmd_dev; /* device name */
|
||||
char *lmd_profile; /* client only */
|
||||
char *lmd_profile; /* client only */
|
||||
char *lmd_mgssec; /* sptlrpc flavor to mgs */
|
||||
char *lmd_opts; /* lustre mount options (as opposed to
|
||||
_device_ mount options) */
|
||||
char *lmd_opts; /* lustre mount options (as opposed to
|
||||
* _device_ mount options)
|
||||
*/
|
||||
char *lmd_params; /* lustre params */
|
||||
__u32 *lmd_exclude; /* array of OSTs to ignore */
|
||||
char *lmd_mgs; /* MGS nid */
|
||||
char *lmd_osd_type; /* OSD type */
|
||||
__u32 *lmd_exclude; /* array of OSTs to ignore */
|
||||
char *lmd_mgs; /* MGS nid */
|
||||
char *lmd_osd_type; /* OSD type */
|
||||
};
|
||||
|
||||
#define LMD_FLG_SERVER 0x0001 /* Mounting a server */
|
||||
#define LMD_FLG_CLIENT 0x0002 /* Mounting a client */
|
||||
#define LMD_FLG_ABORT_RECOV 0x0008 /* Abort recovery */
|
||||
#define LMD_FLG_NOSVC 0x0010 /* Only start MGS/MGC for servers,
|
||||
no other services */
|
||||
#define LMD_FLG_NOMGS 0x0020 /* Only start target for servers, reusing
|
||||
existing MGS services */
|
||||
* no other services
|
||||
*/
|
||||
#define LMD_FLG_NOMGS 0x0020 /* Only start target for servers,
|
||||
* reusing existing MGS services
|
||||
*/
|
||||
#define LMD_FLG_WRITECONF 0x0040 /* Rewrite config log */
|
||||
#define LMD_FLG_NOIR 0x0080 /* NO imperative recovery */
|
||||
#define LMD_FLG_NOSCRUB 0x0100 /* Do not trigger scrub automatically */
|
||||
|
|
@ -135,7 +139,8 @@ struct lustre_sb_info {
|
|||
char lsi_osd_type[16];
|
||||
char lsi_fstype[16];
|
||||
struct backing_dev_info lsi_bdi; /* each client mountpoint needs
|
||||
own backing_dev_info */
|
||||
* own backing_dev_info
|
||||
*/
|
||||
};
|
||||
|
||||
#define LSI_UMOUNT_FAILOVER 0x00200000
|
||||
|
|
|
|||
|
|
@ -250,7 +250,8 @@ struct ldlm_pool {
|
|||
/** Current biggest client lock volume. Protected by pl_lock. */
|
||||
__u64 pl_client_lock_volume;
|
||||
/** Lock volume factor. SLV on client is calculated as following:
|
||||
* server_slv * lock_volume_factor. */
|
||||
* server_slv * lock_volume_factor.
|
||||
*/
|
||||
atomic_t pl_lock_volume_factor;
|
||||
/** Time when last SLV from server was obtained. */
|
||||
time64_t pl_recalc_time;
|
||||
|
|
@ -501,7 +502,8 @@ struct ldlm_glimpse_work {
|
|||
struct list_head gl_list; /* linkage to other gl work structs */
|
||||
__u32 gl_flags;/* see LDLM_GL_WORK_* below */
|
||||
union ldlm_gl_desc *gl_desc; /* glimpse descriptor to be packed in
|
||||
* glimpse callback request */
|
||||
* glimpse callback request
|
||||
*/
|
||||
};
|
||||
|
||||
/** The ldlm_glimpse_work is allocated on the stack and should not be freed. */
|
||||
|
|
@ -510,8 +512,9 @@ struct ldlm_glimpse_work {
|
|||
/** Interval node data for each LDLM_EXTENT lock. */
|
||||
struct ldlm_interval {
|
||||
struct interval_node li_node; /* node for tree management */
|
||||
struct list_head li_group; /* the locks which have the same
|
||||
* policy - group of the policy */
|
||||
struct list_head li_group; /* the locks which have the same
|
||||
* policy - group of the policy
|
||||
*/
|
||||
};
|
||||
|
||||
#define to_ldlm_interval(n) container_of(n, struct ldlm_interval, li_node)
|
||||
|
|
@ -537,7 +540,8 @@ enum ldlm_cancel_flags {
|
|||
LCF_ASYNC = 0x1, /* Cancel locks asynchronously. */
|
||||
LCF_LOCAL = 0x2, /* Cancel locks locally, not notifing server */
|
||||
LCF_BL_AST = 0x4, /* Cancel locks marked as LDLM_FL_BL_AST
|
||||
* in the same RPC */
|
||||
* in the same RPC
|
||||
*/
|
||||
};
|
||||
|
||||
struct ldlm_flock {
|
||||
|
|
@ -839,12 +843,14 @@ struct ldlm_resource {
|
|||
|
||||
/**
|
||||
* protected by lr_lock
|
||||
* @{ */
|
||||
* @{
|
||||
*/
|
||||
/** List of locks in granted state */
|
||||
struct list_head lr_granted;
|
||||
/**
|
||||
* List of locks that could not be granted due to conflicts and
|
||||
* that are waiting for conflicts to go away */
|
||||
* that are waiting for conflicts to go away
|
||||
*/
|
||||
struct list_head lr_waiting;
|
||||
/** @} */
|
||||
|
||||
|
|
@ -1036,7 +1042,8 @@ typedef int (*ldlm_res_iterator_t)(struct ldlm_resource *, void *);
|
|||
*
|
||||
* LDLM provides for a way to iterate through every lock on a resource or
|
||||
* namespace or every resource in a namespace.
|
||||
* @{ */
|
||||
* @{
|
||||
*/
|
||||
int ldlm_resource_iterate(struct ldlm_namespace *, const struct ldlm_res_id *,
|
||||
ldlm_iterator_t iter, void *data);
|
||||
/** @} ldlm_iterator */
|
||||
|
|
@ -1214,7 +1221,8 @@ int ldlm_lock_change_resource(struct ldlm_namespace *, struct ldlm_lock *,
|
|||
* These AST handlers are typically used for server-side local locks and are
|
||||
* also used by client-side lock handlers to perform minimum level base
|
||||
* processing.
|
||||
* @{ */
|
||||
* @{
|
||||
*/
|
||||
int ldlm_completion_ast_async(struct ldlm_lock *lock, __u64 flags, void *data);
|
||||
int ldlm_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data);
|
||||
/** @} ldlm_local_ast */
|
||||
|
|
@ -1222,7 +1230,8 @@ int ldlm_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data);
|
|||
/** \defgroup ldlm_cli_api API to operate on locks from actual LDLM users.
|
||||
* These are typically used by client and server (*_local versions)
|
||||
* to obtain and release locks.
|
||||
* @{ */
|
||||
* @{
|
||||
*/
|
||||
int ldlm_cli_enqueue(struct obd_export *exp, struct ptlrpc_request **reqp,
|
||||
struct ldlm_enqueue_info *einfo,
|
||||
const struct ldlm_res_id *res_id,
|
||||
|
|
|
|||
|
|
@ -57,7 +57,8 @@
|
|||
|
||||
/**
|
||||
* Server placed lock on granted list, or a recovering client wants the
|
||||
* lock added to the granted list, no questions asked. */
|
||||
* lock added to the granted list, no questions asked.
|
||||
*/
|
||||
#define LDLM_FL_BLOCK_GRANTED 0x0000000000000002ULL /* bit 1 */
|
||||
#define ldlm_is_block_granted(_l) LDLM_TEST_FLAG((_l), 1ULL << 1)
|
||||
#define ldlm_set_block_granted(_l) LDLM_SET_FLAG((_l), 1ULL << 1)
|
||||
|
|
@ -65,7 +66,8 @@
|
|||
|
||||
/**
|
||||
* Server placed lock on conv list, or a recovering client wants the lock
|
||||
* added to the conv list, no questions asked. */
|
||||
* added to the conv list, no questions asked.
|
||||
*/
|
||||
#define LDLM_FL_BLOCK_CONV 0x0000000000000004ULL /* bit 2 */
|
||||
#define ldlm_is_block_conv(_l) LDLM_TEST_FLAG((_l), 1ULL << 2)
|
||||
#define ldlm_set_block_conv(_l) LDLM_SET_FLAG((_l), 1ULL << 2)
|
||||
|
|
@ -73,7 +75,8 @@
|
|||
|
||||
/**
|
||||
* Server placed lock on wait list, or a recovering client wants the lock
|
||||
* added to the wait list, no questions asked. */
|
||||
* added to the wait list, no questions asked.
|
||||
*/
|
||||
#define LDLM_FL_BLOCK_WAIT 0x0000000000000008ULL /* bit 3 */
|
||||
#define ldlm_is_block_wait(_l) LDLM_TEST_FLAG((_l), 1ULL << 3)
|
||||
#define ldlm_set_block_wait(_l) LDLM_SET_FLAG((_l), 1ULL << 3)
|
||||
|
|
@ -87,7 +90,8 @@
|
|||
|
||||
/**
|
||||
* Lock is being replayed. This could probably be implied by the fact that
|
||||
* one of BLOCK_{GRANTED,CONV,WAIT} is set, but that is pretty dangerous. */
|
||||
* one of BLOCK_{GRANTED,CONV,WAIT} is set, but that is pretty dangerous.
|
||||
*/
|
||||
#define LDLM_FL_REPLAY 0x0000000000000100ULL /* bit 8 */
|
||||
#define ldlm_is_replay(_l) LDLM_TEST_FLAG((_l), 1ULL << 8)
|
||||
#define ldlm_set_replay(_l) LDLM_SET_FLAG((_l), 1ULL << 8)
|
||||
|
|
@ -125,7 +129,8 @@
|
|||
|
||||
/**
|
||||
* Server told not to wait if blocked. For AGL, OST will not send glimpse
|
||||
* callback. */
|
||||
* callback.
|
||||
*/
|
||||
#define LDLM_FL_BLOCK_NOWAIT 0x0000000000040000ULL /* bit 18 */
|
||||
#define ldlm_is_block_nowait(_l) LDLM_TEST_FLAG((_l), 1ULL << 18)
|
||||
#define ldlm_set_block_nowait(_l) LDLM_SET_FLAG((_l), 1ULL << 18)
|
||||
|
|
@ -141,7 +146,8 @@
|
|||
* Immediately cancel such locks when they block some other locks. Send
|
||||
* cancel notification to original lock holder, but expect no reply. This
|
||||
* is for clients (like liblustre) that cannot be expected to reliably
|
||||
* response to blocking AST. */
|
||||
* response to blocking AST.
|
||||
*/
|
||||
#define LDLM_FL_CANCEL_ON_BLOCK 0x0000000000800000ULL /* bit 23 */
|
||||
#define ldlm_is_cancel_on_block(_l) LDLM_TEST_FLAG((_l), 1ULL << 23)
|
||||
#define ldlm_set_cancel_on_block(_l) LDLM_SET_FLAG((_l), 1ULL << 23)
|
||||
|
|
@ -164,7 +170,8 @@
|
|||
|
||||
/**
|
||||
* Used for marking lock as a target for -EINTR while cp_ast sleep emulation
|
||||
* + race with upcoming bl_ast. */
|
||||
* + race with upcoming bl_ast.
|
||||
*/
|
||||
#define LDLM_FL_FAIL_LOC 0x0000000100000000ULL /* bit 32 */
|
||||
#define ldlm_is_fail_loc(_l) LDLM_TEST_FLAG((_l), 1ULL << 32)
|
||||
#define ldlm_set_fail_loc(_l) LDLM_SET_FLAG((_l), 1ULL << 32)
|
||||
|
|
@ -172,7 +179,8 @@
|
|||
|
||||
/**
|
||||
* Used while processing the unused list to know that we have already
|
||||
* handled this lock and decided to skip it. */
|
||||
* handled this lock and decided to skip it.
|
||||
*/
|
||||
#define LDLM_FL_SKIPPED 0x0000000200000000ULL /* bit 33 */
|
||||
#define ldlm_is_skipped(_l) LDLM_TEST_FLAG((_l), 1ULL << 33)
|
||||
#define ldlm_set_skipped(_l) LDLM_SET_FLAG((_l), 1ULL << 33)
|
||||
|
|
@ -231,7 +239,8 @@
|
|||
* The proper fix is to do the granting inside of the completion AST,
|
||||
* which can be replaced with a LVB-aware wrapping function for OSC locks.
|
||||
* That change is pretty high-risk, though, and would need a lot more
|
||||
* testing. */
|
||||
* testing.
|
||||
*/
|
||||
#define LDLM_FL_LVB_READY 0x0000020000000000ULL /* bit 41 */
|
||||
#define ldlm_is_lvb_ready(_l) LDLM_TEST_FLAG((_l), 1ULL << 41)
|
||||
#define ldlm_set_lvb_ready(_l) LDLM_SET_FLAG((_l), 1ULL << 41)
|
||||
|
|
@ -243,7 +252,8 @@
|
|||
* dirty pages. It can remain on the granted list during this whole time.
|
||||
* Threads racing to update the KMS after performing their writeback need
|
||||
* to know to exclude each other's locks from the calculation as they walk
|
||||
* the granted list. */
|
||||
* the granted list.
|
||||
*/
|
||||
#define LDLM_FL_KMS_IGNORE 0x0000040000000000ULL /* bit 42 */
|
||||
#define ldlm_is_kms_ignore(_l) LDLM_TEST_FLAG((_l), 1ULL << 42)
|
||||
#define ldlm_set_kms_ignore(_l) LDLM_SET_FLAG((_l), 1ULL << 42)
|
||||
|
|
@ -263,7 +273,8 @@
|
|||
|
||||
/**
|
||||
* optimization hint: LDLM can run blocking callback from current context
|
||||
* w/o involving separate thread. in order to decrease cs rate */
|
||||
* w/o involving separate thread. in order to decrease cs rate
|
||||
*/
|
||||
#define LDLM_FL_ATOMIC_CB 0x0000200000000000ULL /* bit 45 */
|
||||
#define ldlm_is_atomic_cb(_l) LDLM_TEST_FLAG((_l), 1ULL << 45)
|
||||
#define ldlm_set_atomic_cb(_l) LDLM_SET_FLAG((_l), 1ULL << 45)
|
||||
|
|
@ -280,7 +291,8 @@
|
|||
* LDLM_FL_BL_DONE is to be set by ldlm_cancel_callback() when lock cache is
|
||||
* dropped to let ldlm_callback_handler() return EINVAL to the server. It
|
||||
* is used when ELC RPC is already prepared and is waiting for rpc_lock,
|
||||
* too late to send a separate CANCEL RPC. */
|
||||
* too late to send a separate CANCEL RPC.
|
||||
*/
|
||||
#define LDLM_FL_BL_AST 0x0000400000000000ULL /* bit 46 */
|
||||
#define ldlm_is_bl_ast(_l) LDLM_TEST_FLAG((_l), 1ULL << 46)
|
||||
#define ldlm_set_bl_ast(_l) LDLM_SET_FLAG((_l), 1ULL << 46)
|
||||
|
|
@ -295,7 +307,8 @@
|
|||
/**
|
||||
* Don't put lock into the LRU list, so that it is not canceled due
|
||||
* to aging. Used by MGC locks, they are cancelled only at unmount or
|
||||
* by callback. */
|
||||
* by callback.
|
||||
*/
|
||||
#define LDLM_FL_NO_LRU 0x0001000000000000ULL /* bit 48 */
|
||||
#define ldlm_is_no_lru(_l) LDLM_TEST_FLAG((_l), 1ULL << 48)
|
||||
#define ldlm_set_no_lru(_l) LDLM_SET_FLAG((_l), 1ULL << 48)
|
||||
|
|
@ -304,7 +317,8 @@
|
|||
/**
|
||||
* Set for locks that failed and where the server has been notified.
|
||||
*
|
||||
* Protected by lock and resource locks. */
|
||||
* Protected by lock and resource locks.
|
||||
*/
|
||||
#define LDLM_FL_FAIL_NOTIFIED 0x0002000000000000ULL /* bit 49 */
|
||||
#define ldlm_is_fail_notified(_l) LDLM_TEST_FLAG((_l), 1ULL << 49)
|
||||
#define ldlm_set_fail_notified(_l) LDLM_SET_FLAG((_l), 1ULL << 49)
|
||||
|
|
@ -315,7 +329,8 @@
|
|||
* be destroyed when last reference to them is released. Set by
|
||||
* ldlm_lock_destroy_internal().
|
||||
*
|
||||
* Protected by lock and resource locks. */
|
||||
* Protected by lock and resource locks.
|
||||
*/
|
||||
#define LDLM_FL_DESTROYED 0x0004000000000000ULL /* bit 50 */
|
||||
#define ldlm_is_destroyed(_l) LDLM_TEST_FLAG((_l), 1ULL << 50)
|
||||
#define ldlm_set_destroyed(_l) LDLM_SET_FLAG((_l), 1ULL << 50)
|
||||
|
|
@ -333,7 +348,8 @@
|
|||
* NB: compared with check_res_locked(), checking this bit is cheaper.
|
||||
* Also, spin_is_locked() is deprecated for kernel code; one reason is
|
||||
* because it works only for SMP so user needs to add extra macros like
|
||||
* LASSERT_SPIN_LOCKED for uniprocessor kernels. */
|
||||
* LASSERT_SPIN_LOCKED for uniprocessor kernels.
|
||||
*/
|
||||
#define LDLM_FL_RES_LOCKED 0x0010000000000000ULL /* bit 52 */
|
||||
#define ldlm_is_res_locked(_l) LDLM_TEST_FLAG((_l), 1ULL << 52)
|
||||
#define ldlm_set_res_locked(_l) LDLM_SET_FLAG((_l), 1ULL << 52)
|
||||
|
|
@ -343,7 +359,8 @@
|
|||
* It's set once we call ldlm_add_waiting_lock_res_locked() to start the
|
||||
* lock-timeout timer and it will never be reset.
|
||||
*
|
||||
* Protected by lock and resource locks. */
|
||||
* Protected by lock and resource locks.
|
||||
*/
|
||||
#define LDLM_FL_WAITED 0x0020000000000000ULL /* bit 53 */
|
||||
#define ldlm_is_waited(_l) LDLM_TEST_FLAG((_l), 1ULL << 53)
|
||||
#define ldlm_set_waited(_l) LDLM_SET_FLAG((_l), 1ULL << 53)
|
||||
|
|
|
|||
|
|
@ -123,7 +123,8 @@ struct obd_export {
|
|||
*/
|
||||
spinlock_t exp_lock;
|
||||
/** Compatibility flags for this export are embedded into
|
||||
* exp_connect_data */
|
||||
* exp_connect_data
|
||||
*/
|
||||
struct obd_connect_data exp_connect_data;
|
||||
enum obd_option exp_flags;
|
||||
unsigned long exp_failed:1,
|
||||
|
|
|
|||
|
|
@ -251,7 +251,8 @@ static inline void lu_local_name_obj_fid(struct lu_fid *fid, __u32 oid)
|
|||
|
||||
/* For new FS (>= 2.4), the root FID will be changed to
|
||||
* [FID_SEQ_ROOT:1:0], for existing FS, (upgraded to 2.4),
|
||||
* the root FID will still be IGIF */
|
||||
* the root FID will still be IGIF
|
||||
*/
|
||||
static inline int fid_is_root(const struct lu_fid *fid)
|
||||
{
|
||||
return unlikely((fid_seq(fid) == FID_SEQ_ROOT &&
|
||||
|
|
@ -294,7 +295,8 @@ static inline int fid_is_namespace_visible(const struct lu_fid *fid)
|
|||
const __u64 seq = fid_seq(fid);
|
||||
|
||||
/* Here, we cannot distinguish whether the normal FID is for OST
|
||||
* object or not. It is caller's duty to check more if needed. */
|
||||
* object or not. It is caller's duty to check more if needed.
|
||||
*/
|
||||
return (!fid_is_last_id(fid) &&
|
||||
(fid_seq_is_norm(seq) || fid_seq_is_igif(seq))) ||
|
||||
fid_is_root(fid) || fid_is_dot_lustre(fid);
|
||||
|
|
@ -516,7 +518,8 @@ static inline int ostid_res_name_eq(struct ost_id *oi,
|
|||
struct ldlm_res_id *name)
|
||||
{
|
||||
/* Note: it is just a trick here to save some effort, probably the
|
||||
* correct way would be turn them into the FID and compare */
|
||||
* correct way would be turn them into the FID and compare
|
||||
*/
|
||||
if (fid_seq_is_mdt0(ostid_seq(oi))) {
|
||||
return name->name[LUSTRE_RES_ID_SEQ_OFF] == ostid_id(oi) &&
|
||||
name->name[LUSTRE_RES_ID_VER_OID_OFF] == ostid_seq(oi);
|
||||
|
|
@ -589,12 +592,14 @@ static inline __u64 fid_flatten(const struct lu_fid *fid)
|
|||
static inline __u32 fid_hash(const struct lu_fid *f, int bits)
|
||||
{
|
||||
/* all objects with same id and different versions will belong to same
|
||||
* collisions list. */
|
||||
* collisions list.
|
||||
*/
|
||||
return hash_long(fid_flatten(f), bits);
|
||||
}
|
||||
|
||||
/**
|
||||
* map fid to 32 bit value for ino on 32bit systems. */
|
||||
* map fid to 32 bit value for ino on 32bit systems.
|
||||
*/
|
||||
static inline __u32 fid_flatten32(const struct lu_fid *fid)
|
||||
{
|
||||
__u32 ino;
|
||||
|
|
@ -611,7 +616,8 @@ static inline __u32 fid_flatten32(const struct lu_fid *fid)
|
|||
* that inodes generated at about the same time have a reduced chance
|
||||
* of collisions. This will give a period of 2^12 = 1024 unique clients
|
||||
* (from SEQ) and up to min(LUSTRE_SEQ_MAX_WIDTH, 2^20) = 128k objects
|
||||
* (from OID), or up to 128M inodes without collisions for new files. */
|
||||
* (from OID), or up to 128M inodes without collisions for new files.
|
||||
*/
|
||||
ino = ((seq & 0x000fffffULL) << 12) + ((seq >> 8) & 0xfffff000) +
|
||||
(seq >> (64 - (40-8)) & 0xffffff00) +
|
||||
(fid_oid(fid) & 0xff000fff) + ((fid_oid(fid) & 0x00fff000) << 8);
|
||||
|
|
|
|||
|
|
@ -71,50 +71,41 @@ struct lu_fld_target {
|
|||
struct lu_server_fld {
|
||||
/**
|
||||
* super sequence controller export, needed to forward fld
|
||||
* lookup request. */
|
||||
* lookup request.
|
||||
*/
|
||||
struct obd_export *lsf_control_exp;
|
||||
|
||||
/**
|
||||
* Client FLD cache. */
|
||||
/** Client FLD cache. */
|
||||
struct fld_cache *lsf_cache;
|
||||
|
||||
/**
|
||||
* Protect index modifications */
|
||||
/** Protect index modifications */
|
||||
struct mutex lsf_lock;
|
||||
|
||||
/**
|
||||
* Fld service name in form "fld-srv-lustre-MDTXXX" */
|
||||
/** Fld service name in form "fld-srv-lustre-MDTXXX" */
|
||||
char lsf_name[LUSTRE_MDT_MAXNAMELEN];
|
||||
|
||||
};
|
||||
|
||||
struct lu_client_fld {
|
||||
/**
|
||||
* Client side debugfs entry. */
|
||||
/** Client side debugfs entry. */
|
||||
struct dentry *lcf_debugfs_entry;
|
||||
|
||||
/**
|
||||
* List of exports client FLD knows about. */
|
||||
/** List of exports client FLD knows about. */
|
||||
struct list_head lcf_targets;
|
||||
|
||||
/**
|
||||
* Current hash to be used to chose an export. */
|
||||
/** Current hash to be used to chose an export. */
|
||||
struct lu_fld_hash *lcf_hash;
|
||||
|
||||
/**
|
||||
* Exports count. */
|
||||
/** Exports count. */
|
||||
int lcf_count;
|
||||
|
||||
/**
|
||||
* Lock protecting exports list and fld_hash. */
|
||||
/** Lock protecting exports list and fld_hash. */
|
||||
spinlock_t lcf_lock;
|
||||
|
||||
/**
|
||||
* Client FLD cache. */
|
||||
/** Client FLD cache. */
|
||||
struct fld_cache *lcf_cache;
|
||||
|
||||
/**
|
||||
* Client fld debugfs entry name. */
|
||||
/** Client fld debugfs entry name. */
|
||||
char lcf_name[LUSTRE_MDT_MAXNAMELEN];
|
||||
|
||||
int lcf_flags;
|
||||
|
|
|
|||
|
|
@ -65,7 +65,8 @@ struct portals_handle_ops {
|
|||
*
|
||||
* Now you're able to assign the results of cookie2handle directly to an
|
||||
* ldlm_lock. If it's not at the top, you'll want to use container_of()
|
||||
* to compute the start of the structure based on the handle field. */
|
||||
* to compute the start of the structure based on the handle field.
|
||||
*/
|
||||
struct portals_handle {
|
||||
struct list_head h_link;
|
||||
__u64 h_cookie;
|
||||
|
|
|
|||
|
|
@ -292,7 +292,8 @@ struct obd_import {
|
|||
/* need IR MNE swab */
|
||||
imp_need_mne_swab:1,
|
||||
/* import must be reconnected instead of
|
||||
* chose new connection */
|
||||
* chosing new connection
|
||||
*/
|
||||
imp_force_reconnect:1,
|
||||
/* import has tried to connect with server */
|
||||
imp_connect_tried:1;
|
||||
|
|
|
|||
|
|
@ -387,7 +387,8 @@ static inline void obd_ioctl_freedata(char *buf, int len)
|
|||
*/
|
||||
|
||||
/* Until such time as we get_info the per-stripe maximum from the OST,
|
||||
* we define this to be 2T - 4k, which is the ext3 maxbytes. */
|
||||
* we define this to be 2T - 4k, which is the ext3 maxbytes.
|
||||
*/
|
||||
#define LUSTRE_STRIPE_MAXBYTES 0x1fffffff000ULL
|
||||
|
||||
/* Special values for remove LOV EA from disk */
|
||||
|
|
|
|||
|
|
@ -241,7 +241,8 @@ struct llog_ctxt {
|
|||
struct obd_llog_group *loc_olg; /* group containing that ctxt */
|
||||
struct obd_export *loc_exp; /* parent "disk" export (e.g. MDS) */
|
||||
struct obd_import *loc_imp; /* to use in RPC's: can be backward
|
||||
pointing import */
|
||||
* pointing import
|
||||
*/
|
||||
struct llog_operations *loc_logops;
|
||||
struct llog_handle *loc_handle;
|
||||
struct mutex loc_mutex; /* protect loc_imp */
|
||||
|
|
|
|||
|
|
@ -90,7 +90,8 @@ static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck,
|
|||
* done, then set rpcl_it to MDC_FAKE_RPCL_IT. Once that is set
|
||||
* it will only be cleared when all fake requests are finished.
|
||||
* Only when all fake requests are finished can normal requests
|
||||
* be sent, to ensure they are recoverable again. */
|
||||
* be sent, to ensure they are recoverable again.
|
||||
*/
|
||||
again:
|
||||
mutex_lock(&lck->rpcl_mutex);
|
||||
|
||||
|
|
@ -105,7 +106,8 @@ static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck,
|
|||
* just turned off but there are still requests in progress.
|
||||
* Wait until they finish. It doesn't need to be efficient
|
||||
* in this extremely rare case, just have low overhead in
|
||||
* the common case when it isn't true. */
|
||||
* the common case when it isn't true.
|
||||
*/
|
||||
while (unlikely(lck->rpcl_it == MDC_FAKE_RPCL_IT)) {
|
||||
mutex_unlock(&lck->rpcl_mutex);
|
||||
schedule_timeout(cfs_time_seconds(1) / 4);
|
||||
|
|
|
|||
|
|
@ -76,7 +76,8 @@
|
|||
* In order for the client and server to properly negotiate the maximum
|
||||
* possible transfer size, PTLRPC_BULK_OPS_COUNT must be a power-of-two
|
||||
* value. The client is free to limit the actual RPC size for any bulk
|
||||
* transfer via cl_max_pages_per_rpc to some non-power-of-two value. */
|
||||
* transfer via cl_max_pages_per_rpc to some non-power-of-two value.
|
||||
*/
|
||||
#define PTLRPC_BULK_OPS_BITS 2
|
||||
#define PTLRPC_BULK_OPS_COUNT (1U << PTLRPC_BULK_OPS_BITS)
|
||||
/**
|
||||
|
|
@ -85,7 +86,8 @@
|
|||
* protocol limitation on the maximum RPC size that can be used by any
|
||||
* RPC sent to that server in the future. Instead, the server should
|
||||
* use the negotiated per-client ocd_brw_size to determine the bulk
|
||||
* RPC count. */
|
||||
* RPC count.
|
||||
*/
|
||||
#define PTLRPC_BULK_OPS_MASK (~((__u64)PTLRPC_BULK_OPS_COUNT - 1))
|
||||
|
||||
/**
|
||||
|
|
@ -419,16 +421,18 @@ struct ptlrpc_reply_state {
|
|||
/** A spinlock to protect the reply state flags */
|
||||
spinlock_t rs_lock;
|
||||
/** Reply state flags */
|
||||
unsigned long rs_difficult:1; /* ACK/commit stuff */
|
||||
unsigned long rs_difficult:1; /* ACK/commit stuff */
|
||||
unsigned long rs_no_ack:1; /* no ACK, even for
|
||||
difficult requests */
|
||||
* difficult requests
|
||||
*/
|
||||
unsigned long rs_scheduled:1; /* being handled? */
|
||||
unsigned long rs_scheduled_ever:1;/* any schedule attempts? */
|
||||
unsigned long rs_handled:1; /* been handled yet? */
|
||||
unsigned long rs_on_net:1; /* reply_out_callback pending? */
|
||||
unsigned long rs_prealloc:1; /* rs from prealloc list */
|
||||
unsigned long rs_committed:1;/* the transaction was committed
|
||||
* and the rs was dispatched */
|
||||
* and the rs was dispatched
|
||||
*/
|
||||
/** Size of the state */
|
||||
int rs_size;
|
||||
/** opcode */
|
||||
|
|
@ -1181,7 +1185,7 @@ struct nrs_fifo_req {
|
|||
* purpose of this object is to hold references to the request's resources
|
||||
* for the lifetime of the request, and to hold properties that policies use
|
||||
* use for determining the request's scheduling priority.
|
||||
* */
|
||||
*/
|
||||
struct ptlrpc_nrs_request {
|
||||
/**
|
||||
* The request's resource hierarchy.
|
||||
|
|
@ -1321,15 +1325,17 @@ struct ptlrpc_request {
|
|||
/* do not resend request on -EINPROGRESS */
|
||||
rq_no_retry_einprogress:1,
|
||||
/* allow the req to be sent if the import is in recovery
|
||||
* status */
|
||||
* status
|
||||
*/
|
||||
rq_allow_replay:1;
|
||||
|
||||
unsigned int rq_nr_resend;
|
||||
|
||||
enum rq_phase rq_phase; /* one of RQ_PHASE_* */
|
||||
enum rq_phase rq_next_phase; /* one of RQ_PHASE_* to be used next */
|
||||
atomic_t rq_refcount;/* client-side refcount for SENT race,
|
||||
server-side refcount for multiple replies */
|
||||
atomic_t rq_refcount; /* client-side refcount for SENT race,
|
||||
* server-side refcount for multiple replies
|
||||
*/
|
||||
|
||||
/** Portal to which this request would be sent */
|
||||
short rq_request_portal; /* XXX FIXME bug 249 */
|
||||
|
|
@ -1363,7 +1369,8 @@ struct ptlrpc_request {
|
|||
|
||||
/**
|
||||
* security and encryption data
|
||||
* @{ */
|
||||
* @{
|
||||
*/
|
||||
struct ptlrpc_cli_ctx *rq_cli_ctx; /**< client's half ctx */
|
||||
struct ptlrpc_svc_ctx *rq_svc_ctx; /**< server's half ctx */
|
||||
struct list_head rq_ctx_chain; /**< link to waited ctx */
|
||||
|
|
@ -1477,7 +1484,8 @@ struct ptlrpc_request {
|
|||
|
||||
/** when request must finish. volatile
|
||||
* so that servers' early reply updates to the deadline aren't
|
||||
* kept in per-cpu cache */
|
||||
* kept in per-cpu cache
|
||||
*/
|
||||
volatile time64_t rq_deadline;
|
||||
/** when req reply unlink must finish. */
|
||||
time64_t rq_reply_deadline;
|
||||
|
|
@ -1678,7 +1686,8 @@ do { \
|
|||
/**
|
||||
* This is the debug print function you need to use to print request structure
|
||||
* content into lustre debug log.
|
||||
* for most callers (level is a constant) this is resolved at compile time */
|
||||
* for most callers (level is a constant) this is resolved at compile time
|
||||
*/
|
||||
#define DEBUG_REQ(level, req, fmt, args...) \
|
||||
do { \
|
||||
if ((level) & (D_ERROR | D_WARNING)) { \
|
||||
|
|
@ -2101,7 +2110,8 @@ struct ptlrpc_service_part {
|
|||
/** NRS head for regular requests */
|
||||
struct ptlrpc_nrs scp_nrs_reg;
|
||||
/** NRS head for HP requests; this is only valid for services that can
|
||||
* handle HP requests */
|
||||
* handle HP requests
|
||||
*/
|
||||
struct ptlrpc_nrs *scp_nrs_hp;
|
||||
|
||||
/** AT stuff */
|
||||
|
|
@ -2460,7 +2470,8 @@ struct ptlrpc_service_thr_conf {
|
|||
/* "soft" limit for total threads number */
|
||||
unsigned int tc_nthrs_max;
|
||||
/* user specified threads number, it will be validated due to
|
||||
* other members of this structure. */
|
||||
* other members of this structure.
|
||||
*/
|
||||
unsigned int tc_nthrs_user;
|
||||
/* set NUMA node affinity for service threads */
|
||||
unsigned int tc_cpu_affinity;
|
||||
|
|
|
|||
|
|
@ -90,7 +90,8 @@ struct lov_stripe_md {
|
|||
pid_t lsm_lock_owner; /* debugging */
|
||||
|
||||
/* maximum possible file size, might change as OSTs status changes,
|
||||
* e.g. disconnected, deactivated */
|
||||
* e.g. disconnected, deactivated
|
||||
*/
|
||||
__u64 lsm_maxbytes;
|
||||
struct {
|
||||
/* Public members. */
|
||||
|
|
@ -159,7 +160,8 @@ struct obd_info {
|
|||
/* An update callback which is called to update some data on upper
|
||||
* level. E.g. it is used for update lsm->lsm_oinfo at every received
|
||||
* request in osc level for enqueue requests. It is also possible to
|
||||
* update some caller data from LOV layer if needed. */
|
||||
* update some caller data from LOV layer if needed.
|
||||
*/
|
||||
obd_enqueue_update_f oi_cb_up;
|
||||
};
|
||||
|
||||
|
|
@ -240,7 +242,8 @@ struct client_obd {
|
|||
struct obd_import *cl_import; /* ptlrpc connection state */
|
||||
int cl_conn_count;
|
||||
/* max_mds_easize is purely a performance thing so we don't have to
|
||||
* call obd_size_diskmd() all the time. */
|
||||
* call obd_size_diskmd() all the time.
|
||||
*/
|
||||
int cl_default_mds_easize;
|
||||
int cl_max_mds_easize;
|
||||
int cl_default_mds_cookiesize;
|
||||
|
|
@ -260,7 +263,8 @@ struct client_obd {
|
|||
/* since we allocate grant by blocks, we don't know how many grant will
|
||||
* be used to add a page into cache. As a solution, we reserve maximum
|
||||
* grant before trying to dirty a page and unreserve the rest.
|
||||
* See osc_{reserve|unreserve}_grant for details. */
|
||||
* See osc_{reserve|unreserve}_grant for details.
|
||||
*/
|
||||
long cl_reserved_grant;
|
||||
struct list_head cl_cache_waiters; /* waiting for cache/grant */
|
||||
unsigned long cl_next_shrink_grant; /* jiffies */
|
||||
|
|
@ -268,14 +272,16 @@ struct client_obd {
|
|||
int cl_grant_shrink_interval; /* seconds */
|
||||
|
||||
/* A chunk is an optimal size used by osc_extent to determine
|
||||
* the extent size. A chunk is max(PAGE_CACHE_SIZE, OST block size) */
|
||||
* the extent size. A chunk is max(PAGE_CACHE_SIZE, OST block size)
|
||||
*/
|
||||
int cl_chunkbits;
|
||||
int cl_chunk;
|
||||
int cl_extent_tax; /* extent overhead, by bytes */
|
||||
|
||||
/* keep track of objects that have lois that contain pages which
|
||||
* have been queued for async brw. this lock also protects the
|
||||
* lists of osc_client_pages that hang off of the loi */
|
||||
* lists of osc_client_pages that hang off of the loi
|
||||
*/
|
||||
/*
|
||||
* ->cl_loi_list_lock protects consistency of
|
||||
* ->cl_loi_{ready,read,write}_list. ->ap_make_ready() and
|
||||
|
|
@ -379,8 +385,7 @@ struct echo_client_obd {
|
|||
|
||||
/* Generic subset of OSTs */
|
||||
struct ost_pool {
|
||||
__u32 *op_array; /* array of index of
|
||||
lov_obd->lov_tgts */
|
||||
__u32 *op_array; /* array of index of lov_obd->lov_tgts */
|
||||
unsigned int op_count; /* number of OSTs in the array */
|
||||
unsigned int op_size; /* allocated size of lp_array */
|
||||
struct rw_semaphore op_rw_sem; /* to protect ost_pool use */
|
||||
|
|
@ -413,14 +418,16 @@ struct lov_qos {
|
|||
struct lov_qos_rr lq_rr; /* round robin qos data */
|
||||
unsigned long lq_dirty:1, /* recalc qos data */
|
||||
lq_same_space:1,/* the ost's all have approx.
|
||||
the same space avail */
|
||||
* the same space avail
|
||||
*/
|
||||
lq_reset:1, /* zero current penalties */
|
||||
lq_statfs_in_progress:1; /* statfs op in
|
||||
progress */
|
||||
/* qos statfs data */
|
||||
struct lov_statfs_data *lq_statfs_data;
|
||||
wait_queue_head_t lq_statfs_waitq; /* waitqueue to notify statfs
|
||||
* requests completion */
|
||||
wait_queue_head_t lq_statfs_waitq; /* waitqueue to notify statfs
|
||||
* requests completion
|
||||
*/
|
||||
};
|
||||
|
||||
struct lov_tgt_desc {
|
||||
|
|
@ -450,14 +457,14 @@ struct pool_desc {
|
|||
struct list_head pool_list; /* serial access */
|
||||
struct dentry *pool_debugfs_entry; /* file in debugfs */
|
||||
struct obd_device *pool_lobd; /* obd of the lov/lod to which
|
||||
* this pool belongs */
|
||||
* this pool belongs
|
||||
*/
|
||||
};
|
||||
|
||||
struct lov_obd {
|
||||
struct lov_desc desc;
|
||||
struct lov_tgt_desc **lov_tgts; /* sparse array */
|
||||
struct ost_pool lov_packed; /* all OSTs in a packed
|
||||
array */
|
||||
struct ost_pool lov_packed; /* all OSTs in a packed array */
|
||||
struct mutex lov_lock;
|
||||
struct obd_connect_data lov_ocd;
|
||||
atomic_t lov_refcount;
|
||||
|
|
@ -698,14 +705,14 @@ struct obd_device {
|
|||
unsigned long obd_attached:1, /* finished attach */
|
||||
obd_set_up:1, /* finished setup */
|
||||
obd_version_recov:1, /* obd uses version checking */
|
||||
obd_replayable:1, /* recovery is enabled; inform clients */
|
||||
obd_no_transno:1, /* no committed-transno notification */
|
||||
obd_replayable:1,/* recovery is enabled; inform clients */
|
||||
obd_no_transno:1, /* no committed-transno notification */
|
||||
obd_no_recov:1, /* fail instead of retry messages */
|
||||
obd_stopping:1, /* started cleanup */
|
||||
obd_starting:1, /* started setup */
|
||||
obd_force:1, /* cleanup with > 0 obd refcount */
|
||||
obd_fail:1, /* cleanup with failover */
|
||||
obd_async_recov:1, /* allow asynchronous orphan cleanup */
|
||||
obd_fail:1, /* cleanup with failover */
|
||||
obd_async_recov:1, /* allow asynchronous orphan cleanup */
|
||||
obd_no_conn:1, /* deny new connections */
|
||||
obd_inactive:1, /* device active/inactive
|
||||
* (for sysfs status only!!)
|
||||
|
|
@ -713,7 +720,8 @@ struct obd_device {
|
|||
obd_no_ir:1, /* no imperative recovery. */
|
||||
obd_process_conf:1; /* device is processing mgs config */
|
||||
/* use separate field as it is set in interrupt to don't mess with
|
||||
* protection of other bits using _bh lock */
|
||||
* protection of other bits using _bh lock
|
||||
*/
|
||||
unsigned long obd_recovery_expired:1;
|
||||
/* uuid-export hash body */
|
||||
struct cfs_hash *obd_uuid_hash;
|
||||
|
|
@ -906,7 +914,8 @@ struct md_op_data {
|
|||
__u32 op_npages;
|
||||
|
||||
/* used to transfer info between the stacks of MD client
|
||||
* see enum op_cli_flags */
|
||||
* see enum op_cli_flags
|
||||
*/
|
||||
__u32 op_cli_flags;
|
||||
|
||||
/* File object data version for HSM release, on client */
|
||||
|
|
@ -958,7 +967,8 @@ struct obd_ops {
|
|||
/* connect to the target device with given connection
|
||||
* data. @ocd->ocd_connect_flags is modified to reflect flags actually
|
||||
* granted by the target, which are guaranteed to be a subset of flags
|
||||
* asked for. If @ocd == NULL, use default parameters. */
|
||||
* asked for. If @ocd == NULL, use default parameters.
|
||||
*/
|
||||
int (*connect)(const struct lu_env *env,
|
||||
struct obd_export **exp, struct obd_device *src,
|
||||
struct obd_uuid *cluuid, struct obd_connect_data *ocd,
|
||||
|
|
@ -1054,7 +1064,8 @@ struct obd_ops {
|
|||
/*
|
||||
* NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
|
||||
* to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
|
||||
* Also, add a wrapper function in include/linux/obd_class.h. */
|
||||
* Also, add a wrapper function in include/linux/obd_class.h.
|
||||
*/
|
||||
};
|
||||
|
||||
enum {
|
||||
|
|
@ -1298,7 +1309,8 @@ static inline bool filename_is_volatile(const char *name, int namelen, int *idx)
|
|||
return true;
|
||||
bad_format:
|
||||
/* bad format of mdt idx, we cannot return an error
|
||||
* to caller so we use hash algo */
|
||||
* to caller so we use hash algo
|
||||
*/
|
||||
CERROR("Bad volatile file name format: %s\n",
|
||||
name + LUSTRE_VOLATILE_HDR_LEN);
|
||||
return false;
|
||||
|
|
|
|||
|
|
@ -63,7 +63,8 @@ static inline unsigned char cksum_obd2cfs(enum cksum_type cksum_type)
|
|||
* In case of an unsupported types/flags we fall back to ADLER
|
||||
* because that is supported by all clients since 1.8
|
||||
*
|
||||
* In case multiple algorithms are supported the best one is used. */
|
||||
* In case multiple algorithms are supported the best one is used.
|
||||
*/
|
||||
static inline u32 cksum_type_pack(enum cksum_type cksum_type)
|
||||
{
|
||||
unsigned int performance = 0, tmp;
|
||||
|
|
@ -139,14 +140,16 @@ static inline enum cksum_type cksum_types_supported_client(void)
|
|||
* Currently, calling cksum_type_pack() with a mask will return the fastest
|
||||
* checksum type due to its benchmarking at libcfs module load.
|
||||
* Caution is advised, however, since what is fastest on a single client may
|
||||
* not be the fastest or most efficient algorithm on the server. */
|
||||
* not be the fastest or most efficient algorithm on the server.
|
||||
*/
|
||||
static inline enum cksum_type cksum_type_select(enum cksum_type cksum_types)
|
||||
{
|
||||
return cksum_type_unpack(cksum_type_pack(cksum_types));
|
||||
}
|
||||
|
||||
/* Checksum algorithm names. Must be defined in the same order as the
|
||||
* OBD_CKSUM_* flags. */
|
||||
* OBD_CKSUM_* flags.
|
||||
*/
|
||||
#define DECLARE_CKSUM_NAME char *cksum_name[] = {"crc32", "adler", "crc32c"}
|
||||
|
||||
#endif /* __OBD_H */
|
||||
|
|
|
|||
|
|
@ -45,18 +45,22 @@
|
|||
#include "lprocfs_status.h"
|
||||
|
||||
#define OBD_STATFS_NODELAY 0x0001 /* requests should be send without delay
|
||||
* and resends for avoid deadlocks */
|
||||
* and resends for avoid deadlocks
|
||||
*/
|
||||
#define OBD_STATFS_FROM_CACHE 0x0002 /* the statfs callback should not update
|
||||
* obd_osfs_age */
|
||||
* obd_osfs_age
|
||||
*/
|
||||
#define OBD_STATFS_PTLRPCD 0x0004 /* requests will be sent via ptlrpcd
|
||||
* instead of a specific set. This
|
||||
* means that we cannot rely on the set
|
||||
* interpret routine to be called.
|
||||
* lov_statfs_fini() must thus be called
|
||||
* by the request interpret routine */
|
||||
* by the request interpret routine
|
||||
*/
|
||||
#define OBD_STATFS_FOR_MDT0 0x0008 /* The statfs is only for retrieving
|
||||
* information from MDT0. */
|
||||
#define OBD_FL_PUNCH 0x00000001 /* To indicate it is punch operation */
|
||||
* information from MDT0.
|
||||
*/
|
||||
#define OBD_FL_PUNCH 0x00000001 /* To indicate it is punch operation */
|
||||
|
||||
/* OBD Device Declarations */
|
||||
extern struct obd_device *obd_devs[MAX_OBD_DEVICES];
|
||||
|
|
@ -160,8 +164,9 @@ struct config_llog_data {
|
|||
struct mutex cld_lock;
|
||||
int cld_type;
|
||||
unsigned int cld_stopping:1, /* we were told to stop
|
||||
* watching */
|
||||
cld_lostlock:1; /* lock not requeued */
|
||||
* watching
|
||||
*/
|
||||
cld_lostlock:1; /* lock not requeued */
|
||||
char cld_logname[0];
|
||||
};
|
||||
|
||||
|
|
@ -275,7 +280,8 @@ void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, u32 valid);
|
|||
#define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
|
||||
|
||||
/* Ensure obd_setup: used for cleanup which must be called
|
||||
while obd is stopping */
|
||||
* while obd is stopping
|
||||
*/
|
||||
static inline int obd_check_dev(struct obd_device *obd)
|
||||
{
|
||||
if (!obd) {
|
||||
|
|
@ -558,7 +564,8 @@ static inline int obd_cleanup(struct obd_device *obd)
|
|||
static inline void obd_cleanup_client_import(struct obd_device *obd)
|
||||
{
|
||||
/* If we set up but never connected, the
|
||||
client import will not have been cleaned. */
|
||||
* client import will not have been cleaned.
|
||||
*/
|
||||
down_write(&obd->u.cli.cl_sem);
|
||||
if (obd->u.cli.cl_import) {
|
||||
struct obd_import *imp;
|
||||
|
|
@ -778,7 +785,8 @@ static inline int obd_setattr_rqset(struct obd_export *exp,
|
|||
}
|
||||
|
||||
/* This adds all the requests into @set if @set != NULL, otherwise
|
||||
all requests are sent asynchronously without waiting for response. */
|
||||
* all requests are sent asynchronously without waiting for response.
|
||||
*/
|
||||
static inline int obd_setattr_async(struct obd_export *exp,
|
||||
struct obd_info *oinfo,
|
||||
struct obd_trans_info *oti,
|
||||
|
|
@ -848,7 +856,8 @@ static inline int obd_connect(const struct lu_env *env,
|
|||
{
|
||||
int rc;
|
||||
__u64 ocf = data ? data->ocd_connect_flags : 0; /* for post-condition
|
||||
* check */
|
||||
* check
|
||||
*/
|
||||
|
||||
rc = obd_check_dev_active(obd);
|
||||
if (rc)
|
||||
|
|
@ -871,8 +880,7 @@ static inline int obd_reconnect(const struct lu_env *env,
|
|||
void *localdata)
|
||||
{
|
||||
int rc;
|
||||
__u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
|
||||
* check */
|
||||
__u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition check */
|
||||
|
||||
rc = obd_check_dev_active(obd);
|
||||
if (rc)
|
||||
|
|
@ -1013,7 +1021,8 @@ static inline int obd_destroy_export(struct obd_export *exp)
|
|||
|
||||
/* @max_age is the oldest time in jiffies that we accept using a cached data.
|
||||
* If the cache is older than @max_age we will get a new value from the
|
||||
* target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
|
||||
* target. Use a value of "cfs_time_current() + HZ" to guarantee freshness.
|
||||
*/
|
||||
static inline int obd_statfs_async(struct obd_export *exp,
|
||||
struct obd_info *oinfo,
|
||||
__u64 max_age,
|
||||
|
|
@ -1072,7 +1081,8 @@ static inline int obd_statfs_rqset(struct obd_export *exp,
|
|||
|
||||
/* @max_age is the oldest time in jiffies that we accept using a cached data.
|
||||
* If the cache is older than @max_age we will get a new value from the
|
||||
* target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
|
||||
* target. Use a value of "cfs_time_current() + HZ" to guarantee freshness.
|
||||
*/
|
||||
static inline int obd_statfs(const struct lu_env *env, struct obd_export *exp,
|
||||
struct obd_statfs *osfs, __u64 max_age,
|
||||
__u32 flags)
|
||||
|
|
@ -1204,9 +1214,10 @@ static inline int obd_notify(struct obd_device *obd,
|
|||
return rc;
|
||||
|
||||
/* the check for async_recov is a complete hack - I'm hereby
|
||||
overloading the meaning to also mean "this was called from
|
||||
mds_postsetup". I know that my mds is able to handle notifies
|
||||
by this point, and it needs to get them to execute mds_postrecov. */
|
||||
* overloading the meaning to also mean "this was called from
|
||||
* mds_postsetup". I know that my mds is able to handle notifies
|
||||
* by this point, and it needs to get them to execute mds_postrecov.
|
||||
*/
|
||||
if (!obd->obd_set_up && !obd->obd_async_recov) {
|
||||
CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
|
||||
return -EINVAL;
|
||||
|
|
@ -1758,7 +1769,8 @@ struct lwp_register_item {
|
|||
/* I'm as embarrassed about this as you are.
|
||||
*
|
||||
* <shaver> // XXX do not look into _superhack with remaining eye
|
||||
* <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
|
||||
* <shaver> // XXX if this were any uglier, I'd get my own show on MTV
|
||||
*/
|
||||
extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
|
||||
|
||||
/* obd_mount.c */
|
||||
|
|
|
|||
|
|
@ -47,7 +47,8 @@ extern unsigned int obd_debug_peer_on_timeout;
|
|||
extern unsigned int obd_dump_on_timeout;
|
||||
extern unsigned int obd_dump_on_eviction;
|
||||
/* obd_timeout should only be used for recovery, not for
|
||||
networking / disk / timings affected by load (use Adaptive Timeouts) */
|
||||
* networking / disk / timings affected by load (use Adaptive Timeouts)
|
||||
*/
|
||||
extern unsigned int obd_timeout; /* seconds */
|
||||
extern unsigned int obd_timeout_set;
|
||||
extern unsigned int at_min;
|
||||
|
|
@ -104,18 +105,21 @@ extern char obd_jobid_var[];
|
|||
* failover targets the client only pings one server at a time, and pings
|
||||
* can be lost on a loaded network. Since eviction has serious consequences,
|
||||
* and there's no urgent need to evict a client just because it's idle, we
|
||||
* should be very conservative here. */
|
||||
* should be very conservative here.
|
||||
*/
|
||||
#define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
|
||||
#define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
|
||||
#define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
|
||||
/* Max connect interval for nonresponsive servers; ~50s to avoid building up
|
||||
connect requests in the LND queues, but within obd_timeout so we don't
|
||||
miss the recovery window */
|
||||
/* Max connect interval for nonresponsive servers; ~50s to avoid building up
|
||||
* connect requests in the LND queues, but within obd_timeout so we don't
|
||||
* miss the recovery window
|
||||
*/
|
||||
#define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN, obd_timeout))
|
||||
#define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
|
||||
/* In general this should be low to have quick detection of a system
|
||||
running on a backup server. (If it's too low, import_select_connection
|
||||
will increase the timeout anyhow.) */
|
||||
* running on a backup server. (If it's too low, import_select_connection
|
||||
* will increase the timeout anyhow.)
|
||||
*/
|
||||
#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN, obd_timeout/20)
|
||||
/* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
|
||||
#define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
|
||||
|
|
|
|||
Loading…
Reference in New Issue