staging/lustre/osc: Adjust NULL comparison codestyle
All instances of "x == NULL" are changed to "!x" and "x != NULL" to "x" Also remove some redundant assertions. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>hifive-unleashed-5.1
parent
7ae59edacf
commit
7f1ae4c066
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@ -381,7 +381,7 @@ static int osc_checksum_type_seq_show(struct seq_file *m, void *v)
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DECLARE_CKSUM_NAME;
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if (obd == NULL)
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if (!obd)
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return 0;
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for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
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@ -406,7 +406,7 @@ static ssize_t osc_checksum_type_seq_write(struct file *file,
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DECLARE_CKSUM_NAME;
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char kernbuf[10];
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if (obd == NULL)
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if (!obd)
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return 0;
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if (count > sizeof(kernbuf) - 1)
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@ -140,7 +140,7 @@ static const char *oes_strings[] = {
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static inline struct osc_extent *rb_extent(struct rb_node *n)
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{
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if (n == NULL)
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if (!n)
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return NULL;
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return container_of(n, struct osc_extent, oe_node);
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@ -148,7 +148,7 @@ static inline struct osc_extent *rb_extent(struct rb_node *n)
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static inline struct osc_extent *next_extent(struct osc_extent *ext)
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{
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if (ext == NULL)
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if (!ext)
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return NULL;
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LASSERT(ext->oe_intree);
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@ -157,7 +157,7 @@ static inline struct osc_extent *next_extent(struct osc_extent *ext)
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static inline struct osc_extent *prev_extent(struct osc_extent *ext)
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{
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if (ext == NULL)
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if (!ext)
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return NULL;
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LASSERT(ext->oe_intree);
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@ -240,7 +240,7 @@ static int osc_extent_sanity_check0(struct osc_extent *ext,
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goto out;
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}
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if (ext->oe_osclock == NULL && ext->oe_grants > 0) {
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if (!ext->oe_osclock && ext->oe_grants > 0) {
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rc = 90;
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goto out;
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}
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@ -319,7 +319,7 @@ static int osc_extent_is_overlapped(struct osc_object *obj,
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if (!extent_debug)
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return 0;
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for (tmp = first_extent(obj); tmp != NULL; tmp = next_extent(tmp)) {
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for (tmp = first_extent(obj); tmp; tmp = next_extent(tmp)) {
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if (tmp == ext)
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continue;
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if (tmp->oe_end >= ext->oe_start &&
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@ -347,7 +347,7 @@ static struct osc_extent *osc_extent_alloc(struct osc_object *obj)
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struct osc_extent *ext;
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ext = kmem_cache_alloc(osc_extent_kmem, GFP_NOFS | __GFP_ZERO);
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if (ext == NULL)
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if (!ext)
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return NULL;
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RB_CLEAR_NODE(&ext->oe_node);
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@ -415,7 +415,7 @@ static struct osc_extent *osc_extent_search(struct osc_object *obj,
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struct osc_extent *tmp, *p = NULL;
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LASSERT(osc_object_is_locked(obj));
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while (n != NULL) {
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while (n) {
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tmp = rb_extent(n);
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if (index < tmp->oe_start) {
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n = n->rb_left;
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@ -439,7 +439,7 @@ static struct osc_extent *osc_extent_lookup(struct osc_object *obj,
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struct osc_extent *ext;
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ext = osc_extent_search(obj, index);
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if (ext != NULL && ext->oe_start <= index && index <= ext->oe_end)
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if (ext && ext->oe_start <= index && index <= ext->oe_end)
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return osc_extent_get(ext);
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return NULL;
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}
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@ -454,7 +454,7 @@ static void osc_extent_insert(struct osc_object *obj, struct osc_extent *ext)
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LASSERT(ext->oe_intree == 0);
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LASSERT(ext->oe_obj == obj);
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LASSERT(osc_object_is_locked(obj));
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while (*n != NULL) {
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while (*n) {
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tmp = rb_extent(*n);
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parent = *n;
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@ -533,7 +533,7 @@ static int osc_extent_merge(const struct lu_env *env, struct osc_extent *cur,
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LASSERT(cur->oe_state == OES_CACHE);
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LASSERT(osc_object_is_locked(obj));
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if (victim == NULL)
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if (!victim)
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return -EINVAL;
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if (victim->oe_state != OES_CACHE || victim->oe_fsync_wait)
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@ -639,11 +639,10 @@ static struct osc_extent *osc_extent_find(const struct lu_env *env,
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int rc;
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cur = osc_extent_alloc(obj);
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if (cur == NULL)
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if (!cur)
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return ERR_PTR(-ENOMEM);
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lock = cl_lock_at_pgoff(env, osc2cl(obj), index, NULL, 1, 0);
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LASSERT(lock != NULL);
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LASSERT(lock->cll_descr.cld_mode >= CLM_WRITE);
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LASSERT(cli->cl_chunkbits >= PAGE_CACHE_SHIFT);
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@ -678,9 +677,9 @@ static struct osc_extent *osc_extent_find(const struct lu_env *env,
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restart:
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osc_object_lock(obj);
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ext = osc_extent_search(obj, cur->oe_start);
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if (ext == NULL)
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if (!ext)
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ext = first_extent(obj);
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while (ext != NULL) {
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while (ext) {
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loff_t ext_chk_start = ext->oe_start >> ppc_bits;
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loff_t ext_chk_end = ext->oe_end >> ppc_bits;
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@ -775,21 +774,21 @@ restart:
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found = osc_extent_hold(ext);
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}
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if (found != NULL)
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if (found)
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break;
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ext = next_extent(ext);
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}
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osc_extent_tree_dump(D_CACHE, obj);
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if (found != NULL) {
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LASSERT(conflict == NULL);
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if (found) {
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LASSERT(!conflict);
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if (!IS_ERR(found)) {
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LASSERT(found->oe_osclock == cur->oe_osclock);
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OSC_EXTENT_DUMP(D_CACHE, found,
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"found caching ext for %lu.\n", index);
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}
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} else if (conflict == NULL) {
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} else if (!conflict) {
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/* create a new extent */
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EASSERT(osc_extent_is_overlapped(obj, cur) == 0, cur);
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cur->oe_grants = chunksize + cli->cl_extent_tax;
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@ -804,8 +803,8 @@ restart:
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}
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osc_object_unlock(obj);
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if (conflict != NULL) {
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LASSERT(found == NULL);
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if (conflict) {
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LASSERT(!found);
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/* waiting for IO to finish. Please notice that it's impossible
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* to be an OES_TRUNC extent. */
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@ -1074,13 +1073,13 @@ static int osc_extent_make_ready(const struct lu_env *env,
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LASSERT(sanity_check(ext) == 0);
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/* in locking state, any process should not touch this extent. */
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EASSERT(ext->oe_state == OES_LOCKING, ext);
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EASSERT(ext->oe_owner != NULL, ext);
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EASSERT(ext->oe_owner, ext);
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OSC_EXTENT_DUMP(D_CACHE, ext, "make ready\n");
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list_for_each_entry(oap, &ext->oe_pages, oap_pending_item) {
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++page_count;
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if (last == NULL || last->oap_obj_off < oap->oap_obj_off)
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if (!last || last->oap_obj_off < oap->oap_obj_off)
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last = oap;
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/* checking ASYNC_READY is race safe */
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@ -1103,7 +1102,7 @@ static int osc_extent_make_ready(const struct lu_env *env,
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}
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LASSERT(page_count == ext->oe_nr_pages);
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LASSERT(last != NULL);
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LASSERT(last);
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/* the last page is the only one we need to refresh its count by
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* the size of file. */
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if (!(last->oap_async_flags & ASYNC_COUNT_STABLE)) {
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@ -1167,7 +1166,7 @@ static int osc_extent_expand(struct osc_extent *ext, pgoff_t index, int *grants)
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end_index = min(ext->oe_max_end, ((chunk + 1) << ppc_bits) - 1);
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next = next_extent(ext);
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if (next != NULL && next->oe_start <= end_index) {
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if (next && next->oe_start <= end_index) {
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/* complex mode - overlapped with the next extent,
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* this case will be handled by osc_extent_find() */
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rc = -EAGAIN;
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@ -1197,7 +1196,7 @@ static void osc_extent_tree_dump0(int level, struct osc_object *obj,
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/* osc_object_lock(obj); */
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cnt = 1;
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for (ext = first_extent(obj); ext != NULL; ext = next_extent(ext))
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for (ext = first_extent(obj); ext; ext = next_extent(ext))
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OSC_EXTENT_DUMP(level, ext, "in tree %d.\n", cnt++);
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cnt = 1;
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@ -1262,7 +1261,6 @@ static int osc_refresh_count(const struct lu_env *env,
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/* readpage queues with _COUNT_STABLE, shouldn't get here. */
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LASSERT(!(cmd & OBD_BRW_READ));
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LASSERT(opg != NULL);
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obj = opg->ops_cl.cpl_obj;
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cl_object_attr_lock(obj);
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@ -1299,16 +1297,16 @@ static int osc_completion(const struct lu_env *env, struct osc_async_page *oap,
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* page->cp_req can be NULL if io submission failed before
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* cl_req was allocated.
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*/
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if (page->cp_req != NULL)
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if (page->cp_req)
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cl_req_page_done(env, page);
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LASSERT(page->cp_req == NULL);
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LASSERT(!page->cp_req);
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crt = cmd == OBD_BRW_READ ? CRT_READ : CRT_WRITE;
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/* Clear opg->ops_transfer_pinned before VM lock is released. */
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opg->ops_transfer_pinned = 0;
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spin_lock(&obj->oo_seatbelt);
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LASSERT(opg->ops_submitter != NULL);
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LASSERT(opg->ops_submitter);
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LASSERT(!list_empty(&opg->ops_inflight));
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list_del_init(&opg->ops_inflight);
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opg->ops_submitter = NULL;
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@ -1650,7 +1648,7 @@ static int osc_makes_rpc(struct client_obd *cli, struct osc_object *osc,
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* by forcing them through rpcs that immediately fail and complete
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* the pages. recovery relies on this to empty the queued pages
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* before canceling the locks and evicting down the llite pages */
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if ((cli->cl_import == NULL || cli->cl_import->imp_invalid))
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if (!cli->cl_import || cli->cl_import->imp_invalid)
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invalid_import = 1;
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if (cmd & OBD_BRW_WRITE) {
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@ -1788,7 +1786,7 @@ static void osc_ap_completion(const struct lu_env *env, struct client_obd *cli,
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struct lov_oinfo *loi = osc->oo_oinfo;
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__u64 xid = 0;
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if (oap->oap_request != NULL) {
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if (oap->oap_request) {
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xid = ptlrpc_req_xid(oap->oap_request);
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ptlrpc_req_finished(oap->oap_request);
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oap->oap_request = NULL;
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@ -1906,7 +1904,7 @@ static int get_write_extents(struct osc_object *obj, struct list_head *rpclist)
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while ((ext = next_extent(ext)) != NULL) {
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if ((ext->oe_state != OES_CACHE) ||
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(!list_empty(&ext->oe_link) &&
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ext->oe_owner != NULL))
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ext->oe_owner))
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continue;
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if (!try_to_add_extent_for_io(cli, ext, rpclist,
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@ -1918,10 +1916,10 @@ static int get_write_extents(struct osc_object *obj, struct list_head *rpclist)
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return page_count;
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ext = first_extent(obj);
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while (ext != NULL) {
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while (ext) {
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if ((ext->oe_state != OES_CACHE) ||
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/* this extent may be already in current rpclist */
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(!list_empty(&ext->oe_link) && ext->oe_owner != NULL)) {
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(!list_empty(&ext->oe_link) && ext->oe_owner)) {
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ext = next_extent(ext);
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continue;
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}
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@ -1980,7 +1978,7 @@ osc_send_write_rpc(const struct lu_env *env, struct client_obd *cli,
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continue;
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}
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}
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if (first == NULL) {
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if (!first) {
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first = ext;
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srvlock = ext->oe_srvlock;
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} else {
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@ -2074,7 +2072,7 @@ static struct osc_object *osc_next_obj(struct client_obd *cli)
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/* then return all queued objects when we have an invalid import
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* so that they get flushed */
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if (cli->cl_import == NULL || cli->cl_import->imp_invalid) {
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if (!cli->cl_import || cli->cl_import->imp_invalid) {
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if (!list_empty(&cli->cl_loi_write_list))
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return list_to_obj(&cli->cl_loi_write_list, write_item);
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if (!list_empty(&cli->cl_loi_read_list))
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@ -2158,7 +2156,7 @@ static int osc_io_unplug0(const struct lu_env *env, struct client_obd *cli,
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{
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int rc = 0;
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if (osc != NULL && osc_list_maint(cli, osc) == 0)
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if (osc && osc_list_maint(cli, osc) == 0)
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return 0;
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if (!async) {
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@ -2171,7 +2169,7 @@ static int osc_io_unplug0(const struct lu_env *env, struct client_obd *cli,
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atomic_dec(&cli->cl_lru_shrinkers);
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} else {
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CDEBUG(D_CACHE, "Queue writeback work for client %p.\n", cli);
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LASSERT(cli->cl_writeback_work != NULL);
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LASSERT(cli->cl_writeback_work);
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rc = ptlrpcd_queue_work(cli->cl_writeback_work);
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}
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return rc;
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@ -2236,7 +2234,7 @@ int osc_queue_async_io(const struct lu_env *env, struct cl_io *io,
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if (oap->oap_magic != OAP_MAGIC)
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return -EINVAL;
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if (cli->cl_import == NULL || cli->cl_import->imp_invalid)
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if (!cli->cl_import || cli->cl_import->imp_invalid)
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return -EIO;
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if (!list_empty(&oap->oap_pending_item) ||
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@ -2290,7 +2288,7 @@ int osc_queue_async_io(const struct lu_env *env, struct cl_io *io,
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* 2. otherwise, a new extent will be allocated. */
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ext = oio->oi_active;
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if (ext != NULL && ext->oe_start <= index && ext->oe_max_end >= index) {
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if (ext && ext->oe_start <= index && ext->oe_max_end >= index) {
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/* one chunk plus extent overhead must be enough to write this
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* page */
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grants = (1 << cli->cl_chunkbits) + cli->cl_extent_tax;
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@ -2319,7 +2317,7 @@ int osc_queue_async_io(const struct lu_env *env, struct cl_io *io,
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}
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}
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rc = 0;
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} else if (ext != NULL) {
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} else if (ext) {
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/* index is located outside of active extent */
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need_release = 1;
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}
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@ -2329,11 +2327,11 @@ int osc_queue_async_io(const struct lu_env *env, struct cl_io *io,
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ext = NULL;
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}
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if (ext == NULL) {
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if (!ext) {
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int tmp = (1 << cli->cl_chunkbits) + cli->cl_extent_tax;
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/* try to find new extent to cover this page */
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LASSERT(oio->oi_active == NULL);
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LASSERT(!oio->oi_active);
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/* we may have allocated grant for this page if we failed
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* to expand the previous active extent. */
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LASSERT(ergo(grants > 0, grants >= tmp));
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@ -2362,8 +2360,8 @@ int osc_queue_async_io(const struct lu_env *env, struct cl_io *io,
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osc_unreserve_grant(cli, grants, tmp);
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}
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LASSERT(ergo(rc == 0, ext != NULL));
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if (ext != NULL) {
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LASSERT(ergo(rc == 0, ext));
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if (ext) {
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EASSERTF(ext->oe_end >= index && ext->oe_start <= index,
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ext, "index = %lu.\n", index);
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LASSERT((oap->oap_brw_flags & OBD_BRW_FROM_GRANT) != 0);
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@ -2401,14 +2399,14 @@ int osc_teardown_async_page(const struct lu_env *env,
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/* only truncated pages are allowed to be taken out.
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* See osc_extent_truncate() and osc_cache_truncate_start()
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* for details. */
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if (ext != NULL && ext->oe_state != OES_TRUNC) {
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if (ext && ext->oe_state != OES_TRUNC) {
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OSC_EXTENT_DUMP(D_ERROR, ext, "trunc at %lu.\n",
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oap2cl_page(oap)->cp_index);
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rc = -EBUSY;
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}
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}
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osc_object_unlock(obj);
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if (ext != NULL)
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if (ext)
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osc_extent_put(env, ext);
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return rc;
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}
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@ -2433,7 +2431,7 @@ int osc_flush_async_page(const struct lu_env *env, struct cl_io *io,
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osc_object_lock(obj);
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ext = osc_extent_lookup(obj, index);
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if (ext == NULL) {
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if (!ext) {
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osc_extent_tree_dump(D_ERROR, obj);
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LASSERTF(0, "page index %lu is NOT covered.\n", index);
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}
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||||
|
@ -2535,7 +2533,7 @@ int osc_cancel_async_page(const struct lu_env *env, struct osc_page *ops)
|
|||
break;
|
||||
}
|
||||
}
|
||||
if (found != NULL) {
|
||||
if (found) {
|
||||
list_del_init(&found->oe_link);
|
||||
osc_update_pending(obj, cmd, -found->oe_nr_pages);
|
||||
osc_object_unlock(obj);
|
||||
|
@ -2547,7 +2545,7 @@ int osc_cancel_async_page(const struct lu_env *env, struct osc_page *ops)
|
|||
osc_object_unlock(obj);
|
||||
/* ok, it's been put in an rpc. only one oap gets a request
|
||||
* reference */
|
||||
if (oap->oap_request != NULL) {
|
||||
if (oap->oap_request) {
|
||||
ptlrpc_mark_interrupted(oap->oap_request);
|
||||
ptlrpcd_wake(oap->oap_request);
|
||||
ptlrpc_req_finished(oap->oap_request);
|
||||
|
@ -2582,7 +2580,7 @@ int osc_queue_sync_pages(const struct lu_env *env, struct osc_object *obj,
|
|||
}
|
||||
|
||||
ext = osc_extent_alloc(obj);
|
||||
if (ext == NULL) {
|
||||
if (!ext) {
|
||||
list_for_each_entry_safe(oap, tmp, list, oap_pending_item) {
|
||||
list_del_init(&oap->oap_pending_item);
|
||||
osc_ap_completion(env, cli, oap, 0, -ENOMEM);
|
||||
|
@ -2637,11 +2635,11 @@ int osc_cache_truncate_start(const struct lu_env *env, struct osc_io *oio,
|
|||
again:
|
||||
osc_object_lock(obj);
|
||||
ext = osc_extent_search(obj, index);
|
||||
if (ext == NULL)
|
||||
if (!ext)
|
||||
ext = first_extent(obj);
|
||||
else if (ext->oe_end < index)
|
||||
ext = next_extent(ext);
|
||||
while (ext != NULL) {
|
||||
while (ext) {
|
||||
EASSERT(ext->oe_state != OES_TRUNC, ext);
|
||||
|
||||
if (ext->oe_state > OES_CACHE || ext->oe_urgent) {
|
||||
|
@ -2714,14 +2712,14 @@ again:
|
|||
/* we need to hold this extent in OES_TRUNC state so
|
||||
* that no writeback will happen. This is to avoid
|
||||
* BUG 17397. */
|
||||
LASSERT(oio->oi_trunc == NULL);
|
||||
LASSERT(!oio->oi_trunc);
|
||||
oio->oi_trunc = osc_extent_get(ext);
|
||||
OSC_EXTENT_DUMP(D_CACHE, ext,
|
||||
"trunc at %llu\n", size);
|
||||
}
|
||||
osc_extent_put(env, ext);
|
||||
}
|
||||
if (waiting != NULL) {
|
||||
if (waiting) {
|
||||
int rc;
|
||||
|
||||
/* ignore the result of osc_extent_wait the write initiator
|
||||
|
@ -2746,7 +2744,7 @@ void osc_cache_truncate_end(const struct lu_env *env, struct osc_io *oio,
|
|||
struct osc_extent *ext = oio->oi_trunc;
|
||||
|
||||
oio->oi_trunc = NULL;
|
||||
if (ext != NULL) {
|
||||
if (ext) {
|
||||
bool unplug = false;
|
||||
|
||||
EASSERT(ext->oe_nr_pages > 0, ext);
|
||||
|
@ -2789,11 +2787,11 @@ int osc_cache_wait_range(const struct lu_env *env, struct osc_object *obj,
|
|||
again:
|
||||
osc_object_lock(obj);
|
||||
ext = osc_extent_search(obj, index);
|
||||
if (ext == NULL)
|
||||
if (!ext)
|
||||
ext = first_extent(obj);
|
||||
else if (ext->oe_end < index)
|
||||
ext = next_extent(ext);
|
||||
while (ext != NULL) {
|
||||
while (ext) {
|
||||
int rc;
|
||||
|
||||
if (ext->oe_start > end)
|
||||
|
@ -2844,11 +2842,11 @@ int osc_cache_writeback_range(const struct lu_env *env, struct osc_object *obj,
|
|||
|
||||
osc_object_lock(obj);
|
||||
ext = osc_extent_search(obj, start);
|
||||
if (ext == NULL)
|
||||
if (!ext)
|
||||
ext = first_extent(obj);
|
||||
else if (ext->oe_end < start)
|
||||
ext = next_extent(ext);
|
||||
while (ext != NULL) {
|
||||
while (ext) {
|
||||
if (ext->oe_start > end)
|
||||
break;
|
||||
|
||||
|
@ -2867,7 +2865,7 @@ int osc_cache_writeback_range(const struct lu_env *env, struct osc_object *obj,
|
|||
ext->oe_urgent = 1;
|
||||
list = &obj->oo_urgent_exts;
|
||||
}
|
||||
if (list != NULL)
|
||||
if (list)
|
||||
list_move_tail(&ext->oe_link, list);
|
||||
unplug = true;
|
||||
} else {
|
||||
|
|
|
@ -472,7 +472,7 @@ static inline struct osc_thread_info *osc_env_info(const struct lu_env *env)
|
|||
struct osc_thread_info *info;
|
||||
|
||||
info = lu_context_key_get(&env->le_ctx, &osc_key);
|
||||
LASSERT(info != NULL);
|
||||
LASSERT(info);
|
||||
return info;
|
||||
}
|
||||
|
||||
|
@ -481,7 +481,7 @@ static inline struct osc_session *osc_env_session(const struct lu_env *env)
|
|||
struct osc_session *ses;
|
||||
|
||||
ses = lu_context_key_get(env->le_ses, &osc_session_key);
|
||||
LASSERT(ses != NULL);
|
||||
LASSERT(ses);
|
||||
return ses;
|
||||
}
|
||||
|
||||
|
|
|
@ -123,7 +123,7 @@ static void *osc_key_init(const struct lu_context *ctx,
|
|||
struct osc_thread_info *info;
|
||||
|
||||
info = kmem_cache_alloc(osc_thread_kmem, GFP_NOFS | __GFP_ZERO);
|
||||
if (info == NULL)
|
||||
if (!info)
|
||||
info = ERR_PTR(-ENOMEM);
|
||||
return info;
|
||||
}
|
||||
|
@ -148,7 +148,7 @@ static void *osc_session_init(const struct lu_context *ctx,
|
|||
struct osc_session *info;
|
||||
|
||||
info = kmem_cache_alloc(osc_session_kmem, GFP_NOFS | __GFP_ZERO);
|
||||
if (info == NULL)
|
||||
if (!info)
|
||||
info = ERR_PTR(-ENOMEM);
|
||||
return info;
|
||||
}
|
||||
|
@ -228,7 +228,7 @@ static struct lu_device *osc_device_alloc(const struct lu_env *env,
|
|||
|
||||
/* Setup OSC OBD */
|
||||
obd = class_name2obd(lustre_cfg_string(cfg, 0));
|
||||
LASSERT(obd != NULL);
|
||||
LASSERT(obd);
|
||||
rc = osc_setup(obd, cfg);
|
||||
if (rc) {
|
||||
osc_device_free(env, d);
|
||||
|
|
|
@ -73,7 +73,7 @@ static struct osc_page *osc_cl_page_osc(struct cl_page *page)
|
|||
const struct cl_page_slice *slice;
|
||||
|
||||
slice = cl_page_at(page, &osc_device_type);
|
||||
LASSERT(slice != NULL);
|
||||
LASSERT(slice);
|
||||
|
||||
return cl2osc_page(slice);
|
||||
}
|
||||
|
@ -135,7 +135,7 @@ static int osc_io_submit(const struct lu_env *env,
|
|||
|
||||
/* Top level IO. */
|
||||
io = page->cp_owner;
|
||||
LASSERT(io != NULL);
|
||||
LASSERT(io);
|
||||
|
||||
opg = osc_cl_page_osc(page);
|
||||
oap = &opg->ops_oap;
|
||||
|
@ -266,7 +266,7 @@ static int osc_io_prepare_write(const struct lu_env *env,
|
|||
* This implements OBD_BRW_CHECK logic from old client.
|
||||
*/
|
||||
|
||||
if (imp == NULL || imp->imp_invalid)
|
||||
if (!imp || imp->imp_invalid)
|
||||
result = -EIO;
|
||||
if (result == 0 && oio->oi_lockless)
|
||||
/* this page contains `invalid' data, but who cares?
|
||||
|
@ -349,7 +349,7 @@ static int trunc_check_cb(const struct lu_env *env, struct cl_io *io,
|
|||
__u64 start = *(__u64 *)cbdata;
|
||||
|
||||
slice = cl_page_at(page, &osc_device_type);
|
||||
LASSERT(slice != NULL);
|
||||
LASSERT(slice);
|
||||
ops = cl2osc_page(slice);
|
||||
oap = &ops->ops_oap;
|
||||
|
||||
|
@ -500,7 +500,7 @@ static void osc_io_setattr_end(const struct lu_env *env,
|
|||
__u64 size = io->u.ci_setattr.sa_attr.lvb_size;
|
||||
|
||||
osc_trunc_check(env, io, oio, size);
|
||||
if (oio->oi_trunc != NULL) {
|
||||
if (oio->oi_trunc) {
|
||||
osc_cache_truncate_end(env, oio, cl2osc(obj));
|
||||
oio->oi_trunc = NULL;
|
||||
}
|
||||
|
@ -754,7 +754,7 @@ static void osc_req_attr_set(const struct lu_env *env,
|
|||
opg = osc_cl_page_osc(apage);
|
||||
apage = opg->ops_cl.cpl_page; /* now apage is a sub-page */
|
||||
lock = cl_lock_at_page(env, apage->cp_obj, apage, NULL, 1, 1);
|
||||
if (lock == NULL) {
|
||||
if (!lock) {
|
||||
struct cl_object_header *head;
|
||||
struct cl_lock *scan;
|
||||
|
||||
|
@ -770,10 +770,9 @@ static void osc_req_attr_set(const struct lu_env *env,
|
|||
}
|
||||
|
||||
olck = osc_lock_at(lock);
|
||||
LASSERT(olck != NULL);
|
||||
LASSERT(ergo(opg->ops_srvlock, olck->ols_lock == NULL));
|
||||
LASSERT(ergo(opg->ops_srvlock, !olck->ols_lock));
|
||||
/* check for lockless io. */
|
||||
if (olck->ols_lock != NULL) {
|
||||
if (olck->ols_lock) {
|
||||
oa->o_handle = olck->ols_lock->l_remote_handle;
|
||||
oa->o_valid |= OBD_MD_FLHANDLE;
|
||||
}
|
||||
|
@ -804,7 +803,7 @@ int osc_req_init(const struct lu_env *env, struct cl_device *dev,
|
|||
int result;
|
||||
|
||||
or = kmem_cache_alloc(osc_req_kmem, GFP_NOFS | __GFP_ZERO);
|
||||
if (or != NULL) {
|
||||
if (or) {
|
||||
cl_req_slice_add(req, &or->or_cl, dev, &osc_req_ops);
|
||||
result = 0;
|
||||
} else
|
||||
|
|
|
@ -79,7 +79,7 @@ static struct ldlm_lock *osc_handle_ptr(struct lustre_handle *handle)
|
|||
struct ldlm_lock *lock;
|
||||
|
||||
lock = ldlm_handle2lock(handle);
|
||||
if (lock != NULL)
|
||||
if (lock)
|
||||
LDLM_LOCK_PUT(lock);
|
||||
return lock;
|
||||
}
|
||||
|
@ -94,42 +94,40 @@ static int osc_lock_invariant(struct osc_lock *ols)
|
|||
int handle_used = lustre_handle_is_used(&ols->ols_handle);
|
||||
|
||||
if (ergo(osc_lock_is_lockless(ols),
|
||||
ols->ols_locklessable && ols->ols_lock == NULL))
|
||||
ols->ols_locklessable && !ols->ols_lock))
|
||||
return 1;
|
||||
|
||||
/*
|
||||
* If all the following "ergo"s are true, return 1, otherwise 0
|
||||
*/
|
||||
if (!ergo(olock != NULL, handle_used))
|
||||
if (!ergo(olock, handle_used))
|
||||
return 0;
|
||||
|
||||
if (!ergo(olock != NULL,
|
||||
olock->l_handle.h_cookie == ols->ols_handle.cookie))
|
||||
if (!ergo(olock, olock->l_handle.h_cookie == ols->ols_handle.cookie))
|
||||
return 0;
|
||||
|
||||
if (!ergo(handle_used,
|
||||
ergo(lock != NULL && olock != NULL, lock == olock) &&
|
||||
ergo(lock == NULL, olock == NULL)))
|
||||
ergo(lock && olock, lock == olock) &&
|
||||
ergo(!lock, !olock)))
|
||||
return 0;
|
||||
/*
|
||||
* Check that ->ols_handle and ->ols_lock are consistent, but
|
||||
* take into account that they are set at the different time.
|
||||
*/
|
||||
if (!ergo(ols->ols_state == OLS_CANCELLED,
|
||||
olock == NULL && !handle_used))
|
||||
!olock && !handle_used))
|
||||
return 0;
|
||||
/*
|
||||
* DLM lock is destroyed only after we have seen cancellation
|
||||
* ast.
|
||||
*/
|
||||
if (!ergo(olock != NULL && ols->ols_state < OLS_CANCELLED,
|
||||
((olock->l_flags & LDLM_FL_DESTROYED) == 0)))
|
||||
if (!ergo(olock && ols->ols_state < OLS_CANCELLED,
|
||||
((olock->l_flags & LDLM_FL_DESTROYED) == 0)))
|
||||
return 0;
|
||||
|
||||
if (!ergo(ols->ols_state == OLS_GRANTED,
|
||||
olock != NULL &&
|
||||
olock->l_req_mode == olock->l_granted_mode &&
|
||||
ols->ols_hold))
|
||||
olock && olock->l_req_mode == olock->l_granted_mode &&
|
||||
ols->ols_hold))
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
@ -149,7 +147,7 @@ static void osc_lock_detach(const struct lu_env *env, struct osc_lock *olck)
|
|||
|
||||
spin_lock(&osc_ast_guard);
|
||||
dlmlock = olck->ols_lock;
|
||||
if (dlmlock == NULL) {
|
||||
if (!dlmlock) {
|
||||
spin_unlock(&osc_ast_guard);
|
||||
return;
|
||||
}
|
||||
|
@ -247,7 +245,7 @@ static void osc_lock_fini(const struct lu_env *env,
|
|||
* lock is destroyed immediately after upcall.
|
||||
*/
|
||||
osc_lock_unhold(ols);
|
||||
LASSERT(ols->ols_lock == NULL);
|
||||
LASSERT(!ols->ols_lock);
|
||||
LASSERT(atomic_read(&ols->ols_pageref) == 0 ||
|
||||
atomic_read(&ols->ols_pageref) == _PAGEREF_MAGIC);
|
||||
|
||||
|
@ -292,7 +290,7 @@ static struct osc_lock *osc_ast_data_get(struct ldlm_lock *dlm_lock)
|
|||
lock_res_and_lock(dlm_lock);
|
||||
spin_lock(&osc_ast_guard);
|
||||
olck = dlm_lock->l_ast_data;
|
||||
if (olck != NULL) {
|
||||
if (olck) {
|
||||
struct cl_lock *lock = olck->ols_cl.cls_lock;
|
||||
/*
|
||||
* If osc_lock holds a reference on ldlm lock, return it even
|
||||
|
@ -359,7 +357,6 @@ static void osc_lock_lvb_update(const struct lu_env *env, struct osc_lock *olck,
|
|||
__u64 size;
|
||||
|
||||
dlmlock = olck->ols_lock;
|
||||
LASSERT(dlmlock != NULL);
|
||||
|
||||
/* re-grab LVB from a dlm lock under DLM spin-locks. */
|
||||
*lvb = *(struct ost_lvb *)dlmlock->l_lvb_data;
|
||||
|
@ -444,12 +441,12 @@ static void osc_lock_upcall0(const struct lu_env *env, struct osc_lock *olck)
|
|||
struct ldlm_lock *dlmlock;
|
||||
|
||||
dlmlock = ldlm_handle2lock_long(&olck->ols_handle, 0);
|
||||
LASSERT(dlmlock != NULL);
|
||||
LASSERT(dlmlock);
|
||||
|
||||
lock_res_and_lock(dlmlock);
|
||||
spin_lock(&osc_ast_guard);
|
||||
LASSERT(dlmlock->l_ast_data == olck);
|
||||
LASSERT(olck->ols_lock == NULL);
|
||||
LASSERT(!olck->ols_lock);
|
||||
olck->ols_lock = dlmlock;
|
||||
spin_unlock(&osc_ast_guard);
|
||||
|
||||
|
@ -508,10 +505,10 @@ static int osc_lock_upcall(void *cookie, int errcode)
|
|||
struct ldlm_lock *dlmlock;
|
||||
|
||||
dlmlock = ldlm_handle2lock(&olck->ols_handle);
|
||||
if (dlmlock != NULL) {
|
||||
if (dlmlock) {
|
||||
lock_res_and_lock(dlmlock);
|
||||
spin_lock(&osc_ast_guard);
|
||||
LASSERT(olck->ols_lock == NULL);
|
||||
LASSERT(!olck->ols_lock);
|
||||
dlmlock->l_ast_data = NULL;
|
||||
olck->ols_handle.cookie = 0ULL;
|
||||
spin_unlock(&osc_ast_guard);
|
||||
|
@ -634,7 +631,7 @@ static int osc_dlm_blocking_ast0(const struct lu_env *env,
|
|||
|
||||
cancel = 0;
|
||||
olck = osc_ast_data_get(dlmlock);
|
||||
if (olck != NULL) {
|
||||
if (olck) {
|
||||
lock = olck->ols_cl.cls_lock;
|
||||
cl_lock_mutex_get(env, lock);
|
||||
LINVRNT(osc_lock_invariant(olck));
|
||||
|
@ -786,17 +783,17 @@ static int osc_ldlm_completion_ast(struct ldlm_lock *dlmlock,
|
|||
env = cl_env_nested_get(&nest);
|
||||
if (!IS_ERR(env)) {
|
||||
olck = osc_ast_data_get(dlmlock);
|
||||
if (olck != NULL) {
|
||||
if (olck) {
|
||||
lock = olck->ols_cl.cls_lock;
|
||||
cl_lock_mutex_get(env, lock);
|
||||
/*
|
||||
* ldlm_handle_cp_callback() copied LVB from request
|
||||
* to lock->l_lvb_data, store it in osc_lock.
|
||||
*/
|
||||
LASSERT(dlmlock->l_lvb_data != NULL);
|
||||
LASSERT(dlmlock->l_lvb_data);
|
||||
lock_res_and_lock(dlmlock);
|
||||
olck->ols_lvb = *(struct ost_lvb *)dlmlock->l_lvb_data;
|
||||
if (olck->ols_lock == NULL) {
|
||||
if (!olck->ols_lock) {
|
||||
/*
|
||||
* upcall (osc_lock_upcall()) hasn't yet been
|
||||
* called. Do nothing now, upcall will bind
|
||||
|
@ -850,7 +847,7 @@ static int osc_ldlm_glimpse_ast(struct ldlm_lock *dlmlock, void *data)
|
|||
* environment.
|
||||
*/
|
||||
olck = osc_ast_data_get(dlmlock);
|
||||
if (olck != NULL) {
|
||||
if (olck) {
|
||||
lock = olck->ols_cl.cls_lock;
|
||||
/* Do not grab the mutex of cl_lock for glimpse.
|
||||
* See LU-1274 for details.
|
||||
|
@ -1074,7 +1071,7 @@ static int osc_lock_enqueue_wait(const struct lu_env *env,
|
|||
} else {
|
||||
CDEBUG(D_DLMTRACE, "lock %p is conflicted with %p, will wait\n",
|
||||
lock, conflict);
|
||||
LASSERT(lock->cll_conflict == NULL);
|
||||
LASSERT(!lock->cll_conflict);
|
||||
lu_ref_add(&conflict->cll_reference, "cancel-wait",
|
||||
lock);
|
||||
lock->cll_conflict = conflict;
|
||||
|
@ -1197,7 +1194,7 @@ static int osc_lock_wait(const struct lu_env *env,
|
|||
}
|
||||
|
||||
LASSERT(equi(olck->ols_state >= OLS_UPCALL_RECEIVED &&
|
||||
lock->cll_error == 0, olck->ols_lock != NULL));
|
||||
lock->cll_error == 0, olck->ols_lock));
|
||||
|
||||
return lock->cll_error ?: olck->ols_state >= OLS_GRANTED ? 0 : CLO_WAIT;
|
||||
}
|
||||
|
@ -1306,7 +1303,7 @@ static void osc_lock_cancel(const struct lu_env *env,
|
|||
LASSERT(cl_lock_is_mutexed(lock));
|
||||
LINVRNT(osc_lock_invariant(olck));
|
||||
|
||||
if (dlmlock != NULL) {
|
||||
if (dlmlock) {
|
||||
int do_cancel;
|
||||
|
||||
discard = !!(dlmlock->l_flags & LDLM_FL_DISCARD_DATA);
|
||||
|
@ -1382,7 +1379,7 @@ static void osc_lock_state(const struct lu_env *env,
|
|||
if (state == CLS_HELD && slice->cls_lock->cll_state != CLS_HELD) {
|
||||
struct osc_io *oio = osc_env_io(env);
|
||||
|
||||
LASSERT(lock->ols_owner == NULL);
|
||||
LASSERT(!lock->ols_owner);
|
||||
lock->ols_owner = oio;
|
||||
} else if (state != CLS_HELD)
|
||||
lock->ols_owner = NULL;
|
||||
|
@ -1556,7 +1553,7 @@ int osc_lock_init(const struct lu_env *env,
|
|||
int result;
|
||||
|
||||
clk = kmem_cache_alloc(osc_lock_kmem, GFP_NOFS | __GFP_ZERO);
|
||||
if (clk != NULL) {
|
||||
if (clk) {
|
||||
__u32 enqflags = lock->cll_descr.cld_enq_flags;
|
||||
|
||||
osc_lock_build_einfo(env, lock, clk, &clk->ols_einfo);
|
||||
|
@ -1599,7 +1596,7 @@ int osc_dlm_lock_pageref(struct ldlm_lock *dlm)
|
|||
* doesn't matter because in the worst case we don't cancel a lock
|
||||
* which we actually can, that's no harm.
|
||||
*/
|
||||
if (olock != NULL &&
|
||||
if (olock &&
|
||||
atomic_add_return(_PAGEREF_MAGIC,
|
||||
&olock->ols_pageref) != _PAGEREF_MAGIC) {
|
||||
atomic_sub(_PAGEREF_MAGIC, &olock->ols_pageref);
|
||||
|
|
|
@ -113,7 +113,7 @@ static void osc_object_free(const struct lu_env *env, struct lu_object *obj)
|
|||
LASSERT(list_empty(&osc->oo_write_item));
|
||||
LASSERT(list_empty(&osc->oo_read_item));
|
||||
|
||||
LASSERT(osc->oo_root.rb_node == NULL);
|
||||
LASSERT(!osc->oo_root.rb_node);
|
||||
LASSERT(list_empty(&osc->oo_hp_exts));
|
||||
LASSERT(list_empty(&osc->oo_urgent_exts));
|
||||
LASSERT(list_empty(&osc->oo_rpc_exts));
|
||||
|
@ -256,7 +256,7 @@ struct lu_object *osc_object_alloc(const struct lu_env *env,
|
|||
struct lu_object *obj;
|
||||
|
||||
osc = kmem_cache_alloc(osc_object_kmem, GFP_NOFS | __GFP_ZERO);
|
||||
if (osc != NULL) {
|
||||
if (osc) {
|
||||
obj = osc2lu(osc);
|
||||
lu_object_init(obj, NULL, dev);
|
||||
osc->oo_cl.co_ops = &osc_ops;
|
||||
|
|
|
@ -69,7 +69,7 @@ static void osc_page_fini(const struct lu_env *env,
|
|||
struct osc_page *opg = cl2osc_page(slice);
|
||||
|
||||
CDEBUG(D_TRACE, "%p\n", opg);
|
||||
LASSERT(opg->ops_lock == NULL);
|
||||
LASSERT(!opg->ops_lock);
|
||||
}
|
||||
|
||||
static void osc_page_transfer_get(struct osc_page *opg, const char *label)
|
||||
|
@ -135,7 +135,7 @@ static int osc_page_cache_add(const struct lu_env *env,
|
|||
* osc_io_end() is called, so release it earlier.
|
||||
* for mkwrite(), it's known there is no further pages. */
|
||||
if (cl_io_is_sync_write(io) || cl_io_is_mkwrite(io)) {
|
||||
if (oio->oi_active != NULL) {
|
||||
if (oio->oi_active) {
|
||||
osc_extent_release(env, oio->oi_active);
|
||||
oio->oi_active = NULL;
|
||||
}
|
||||
|
@ -159,7 +159,7 @@ static int osc_page_addref_lock(const struct lu_env *env,
|
|||
struct osc_lock *olock;
|
||||
int rc;
|
||||
|
||||
LASSERT(opg->ops_lock == NULL);
|
||||
LASSERT(!opg->ops_lock);
|
||||
|
||||
olock = osc_lock_at(lock);
|
||||
if (atomic_inc_return(&olock->ols_pageref) <= 0) {
|
||||
|
@ -179,7 +179,7 @@ static void osc_page_putref_lock(const struct lu_env *env,
|
|||
struct cl_lock *lock = opg->ops_lock;
|
||||
struct osc_lock *olock;
|
||||
|
||||
LASSERT(lock != NULL);
|
||||
LASSERT(lock);
|
||||
olock = osc_lock_at(lock);
|
||||
|
||||
atomic_dec(&olock->ols_pageref);
|
||||
|
@ -197,7 +197,7 @@ static int osc_page_is_under_lock(const struct lu_env *env,
|
|||
|
||||
lock = cl_lock_at_page(env, slice->cpl_obj, slice->cpl_page,
|
||||
NULL, 1, 0);
|
||||
if (lock != NULL) {
|
||||
if (lock) {
|
||||
if (osc_page_addref_lock(env, cl2osc_page(slice), lock) == 0)
|
||||
result = -EBUSY;
|
||||
cl_lock_put(env, lock);
|
||||
|
@ -325,7 +325,7 @@ static void osc_page_delete(const struct lu_env *env,
|
|||
}
|
||||
|
||||
spin_lock(&obj->oo_seatbelt);
|
||||
if (opg->ops_submitter != NULL) {
|
||||
if (opg->ops_submitter) {
|
||||
LASSERT(!list_empty(&opg->ops_inflight));
|
||||
list_del_init(&opg->ops_inflight);
|
||||
opg->ops_submitter = NULL;
|
||||
|
@ -589,14 +589,14 @@ int osc_lru_shrink(struct client_obd *cli, int target)
|
|||
continue;
|
||||
}
|
||||
|
||||
LASSERT(page->cp_obj != NULL);
|
||||
LASSERT(page->cp_obj);
|
||||
if (clobj != page->cp_obj) {
|
||||
struct cl_object *tmp = page->cp_obj;
|
||||
|
||||
cl_object_get(tmp);
|
||||
client_obd_list_unlock(&cli->cl_lru_list_lock);
|
||||
|
||||
if (clobj != NULL) {
|
||||
if (clobj) {
|
||||
count -= discard_pagevec(env, io, pvec, index);
|
||||
index = 0;
|
||||
|
||||
|
@ -641,7 +641,7 @@ int osc_lru_shrink(struct client_obd *cli, int target)
|
|||
}
|
||||
client_obd_list_unlock(&cli->cl_lru_list_lock);
|
||||
|
||||
if (clobj != NULL) {
|
||||
if (clobj) {
|
||||
count -= discard_pagevec(env, io, pvec, index);
|
||||
|
||||
cl_io_fini(env, io);
|
||||
|
@ -720,7 +720,7 @@ static int osc_lru_reclaim(struct client_obd *cli)
|
|||
int max_scans;
|
||||
int rc;
|
||||
|
||||
LASSERT(cache != NULL);
|
||||
LASSERT(cache);
|
||||
|
||||
rc = osc_lru_shrink(cli, lru_shrink_min);
|
||||
if (rc != 0) {
|
||||
|
@ -776,7 +776,7 @@ static int osc_lru_reserve(const struct lu_env *env, struct osc_object *obj,
|
|||
struct client_obd *cli = osc_cli(obj);
|
||||
int rc = 0;
|
||||
|
||||
if (cli->cl_cache == NULL) /* shall not be in LRU */
|
||||
if (!cli->cl_cache) /* shall not be in LRU */
|
||||
return 0;
|
||||
|
||||
LASSERT(atomic_read(cli->cl_lru_left) >= 0);
|
||||
|
|
|
@ -36,7 +36,7 @@ static inline struct osc_quota_info *osc_oqi_alloc(u32 id)
|
|||
struct osc_quota_info *oqi;
|
||||
|
||||
oqi = kmem_cache_alloc(osc_quota_kmem, GFP_NOFS | __GFP_ZERO);
|
||||
if (oqi != NULL)
|
||||
if (oqi)
|
||||
oqi->oqi_id = id;
|
||||
|
||||
return oqi;
|
||||
|
@ -90,11 +90,11 @@ int osc_quota_setdq(struct client_obd *cli, const unsigned int qid[],
|
|||
if ((flags & FL_QUOTA_FLAG(type)) != 0) {
|
||||
/* This ID is getting close to its quota limit, let's
|
||||
* switch to sync I/O */
|
||||
if (oqi != NULL)
|
||||
if (oqi)
|
||||
continue;
|
||||
|
||||
oqi = osc_oqi_alloc(qid[type]);
|
||||
if (oqi == NULL) {
|
||||
if (!oqi) {
|
||||
rc = -ENOMEM;
|
||||
break;
|
||||
}
|
||||
|
@ -114,7 +114,7 @@ int osc_quota_setdq(struct client_obd *cli, const unsigned int qid[],
|
|||
} else {
|
||||
/* This ID is now off the hook, let's remove it from
|
||||
* the hash table */
|
||||
if (oqi == NULL)
|
||||
if (!oqi)
|
||||
continue;
|
||||
|
||||
oqi = cfs_hash_del_key(cli->cl_quota_hash[type],
|
||||
|
@ -147,7 +147,7 @@ oqi_keycmp(const void *key, struct hlist_node *hnode)
|
|||
struct osc_quota_info *oqi;
|
||||
u32 uid;
|
||||
|
||||
LASSERT(key != NULL);
|
||||
LASSERT(key);
|
||||
uid = *((u32 *)key);
|
||||
oqi = hlist_entry(hnode, struct osc_quota_info, oqi_hash);
|
||||
|
||||
|
@ -218,7 +218,7 @@ int osc_quota_setup(struct obd_device *obd)
|
|||
CFS_HASH_MAX_THETA,
|
||||
"a_hash_ops,
|
||||
CFS_HASH_DEFAULT);
|
||||
if (cli->cl_quota_hash[type] == NULL)
|
||||
if (!cli->cl_quota_hash[type])
|
||||
break;
|
||||
}
|
||||
|
||||
|
@ -252,7 +252,7 @@ int osc_quotactl(struct obd_device *unused, struct obd_export *exp,
|
|||
req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp),
|
||||
&RQF_OST_QUOTACTL, LUSTRE_OST_VERSION,
|
||||
OST_QUOTACTL);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
oqc = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
|
||||
|
@ -294,7 +294,7 @@ int osc_quotacheck(struct obd_device *unused, struct obd_export *exp,
|
|||
req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp),
|
||||
&RQF_OST_QUOTACHECK, LUSTRE_OST_VERSION,
|
||||
OST_QUOTACHECK);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
body = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
|
||||
|
|
|
@ -113,18 +113,18 @@ static int osc_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
|
|||
int lmm_size;
|
||||
|
||||
lmm_size = sizeof(**lmmp);
|
||||
if (lmmp == NULL)
|
||||
if (!lmmp)
|
||||
return lmm_size;
|
||||
|
||||
if (*lmmp != NULL && lsm == NULL) {
|
||||
if (*lmmp && !lsm) {
|
||||
kfree(*lmmp);
|
||||
*lmmp = NULL;
|
||||
return 0;
|
||||
} else if (unlikely(lsm != NULL && ostid_id(&lsm->lsm_oi) == 0)) {
|
||||
} else if (unlikely(lsm && ostid_id(&lsm->lsm_oi) == 0)) {
|
||||
return -EBADF;
|
||||
}
|
||||
|
||||
if (*lmmp == NULL) {
|
||||
if (!*lmmp) {
|
||||
*lmmp = kzalloc(lmm_size, GFP_NOFS);
|
||||
if (!*lmmp)
|
||||
return -ENOMEM;
|
||||
|
@ -143,7 +143,7 @@ static int osc_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
|
|||
int lsm_size;
|
||||
struct obd_import *imp = class_exp2cliimp(exp);
|
||||
|
||||
if (lmm != NULL) {
|
||||
if (lmm) {
|
||||
if (lmm_bytes < sizeof(*lmm)) {
|
||||
CERROR("%s: lov_mds_md too small: %d, need %d\n",
|
||||
exp->exp_obd->obd_name, lmm_bytes,
|
||||
|
@ -160,23 +160,23 @@ static int osc_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
|
|||
}
|
||||
|
||||
lsm_size = lov_stripe_md_size(1);
|
||||
if (lsmp == NULL)
|
||||
if (!lsmp)
|
||||
return lsm_size;
|
||||
|
||||
if (*lsmp != NULL && lmm == NULL) {
|
||||
if (*lsmp && !lmm) {
|
||||
kfree((*lsmp)->lsm_oinfo[0]);
|
||||
kfree(*lsmp);
|
||||
*lsmp = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (*lsmp == NULL) {
|
||||
if (!*lsmp) {
|
||||
*lsmp = kzalloc(lsm_size, GFP_NOFS);
|
||||
if (unlikely(*lsmp == NULL))
|
||||
if (unlikely(!*lsmp))
|
||||
return -ENOMEM;
|
||||
(*lsmp)->lsm_oinfo[0] = kzalloc(sizeof(struct lov_oinfo),
|
||||
GFP_NOFS);
|
||||
if (unlikely((*lsmp)->lsm_oinfo[0] == NULL)) {
|
||||
if (unlikely(!(*lsmp)->lsm_oinfo[0])) {
|
||||
kfree(*lsmp);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
@ -185,11 +185,11 @@ static int osc_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
|
|||
return -EBADF;
|
||||
}
|
||||
|
||||
if (lmm != NULL)
|
||||
if (lmm)
|
||||
/* XXX zero *lsmp? */
|
||||
ostid_le_to_cpu(&lmm->lmm_oi, &(*lsmp)->lsm_oi);
|
||||
|
||||
if (imp != NULL &&
|
||||
if (imp &&
|
||||
(imp->imp_connect_data.ocd_connect_flags & OBD_CONNECT_MAXBYTES))
|
||||
(*lsmp)->lsm_maxbytes = imp->imp_connect_data.ocd_maxbytes;
|
||||
else
|
||||
|
@ -246,7 +246,7 @@ static int osc_getattr_async(struct obd_export *exp, struct obd_info *oinfo,
|
|||
int rc;
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_GETATTR);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GETATTR);
|
||||
|
@ -276,7 +276,7 @@ static int osc_getattr(const struct lu_env *env, struct obd_export *exp,
|
|||
int rc;
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_GETATTR);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GETATTR);
|
||||
|
@ -294,7 +294,7 @@ static int osc_getattr(const struct lu_env *env, struct obd_export *exp,
|
|||
goto out;
|
||||
|
||||
body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
|
||||
if (body == NULL) {
|
||||
if (!body) {
|
||||
rc = -EPROTO;
|
||||
goto out;
|
||||
}
|
||||
|
@ -321,7 +321,7 @@ static int osc_setattr(const struct lu_env *env, struct obd_export *exp,
|
|||
LASSERT(oinfo->oi_oa->o_valid & OBD_MD_FLGROUP);
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_SETATTR);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SETATTR);
|
||||
|
@ -339,7 +339,7 @@ static int osc_setattr(const struct lu_env *env, struct obd_export *exp,
|
|||
goto out;
|
||||
|
||||
body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
|
||||
if (body == NULL) {
|
||||
if (!body) {
|
||||
rc = -EPROTO;
|
||||
goto out;
|
||||
}
|
||||
|
@ -362,7 +362,7 @@ static int osc_setattr_interpret(const struct lu_env *env,
|
|||
goto out;
|
||||
|
||||
body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
|
||||
if (body == NULL) {
|
||||
if (!body) {
|
||||
rc = -EPROTO;
|
||||
goto out;
|
||||
}
|
||||
|
@ -384,7 +384,7 @@ int osc_setattr_async_base(struct obd_export *exp, struct obd_info *oinfo,
|
|||
int rc;
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_SETATTR);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SETATTR);
|
||||
|
@ -451,7 +451,7 @@ static int osc_real_create(struct obd_export *exp, struct obdo *oa,
|
|||
}
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_CREATE);
|
||||
if (req == NULL) {
|
||||
if (!req) {
|
||||
rc = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
@ -482,7 +482,7 @@ static int osc_real_create(struct obd_export *exp, struct obdo *oa,
|
|||
goto out_req;
|
||||
|
||||
body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
|
||||
if (body == NULL) {
|
||||
if (!body) {
|
||||
rc = -EPROTO;
|
||||
goto out_req;
|
||||
}
|
||||
|
@ -500,7 +500,7 @@ static int osc_real_create(struct obd_export *exp, struct obdo *oa,
|
|||
lsm->lsm_oi = oa->o_oi;
|
||||
*ea = lsm;
|
||||
|
||||
if (oti != NULL) {
|
||||
if (oti) {
|
||||
oti->oti_transno = lustre_msg_get_transno(req->rq_repmsg);
|
||||
|
||||
if (oa->o_valid & OBD_MD_FLCOOKIE) {
|
||||
|
@ -530,7 +530,7 @@ int osc_punch_base(struct obd_export *exp, struct obd_info *oinfo,
|
|||
int rc;
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_PUNCH);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_PUNCH);
|
||||
|
@ -573,7 +573,7 @@ static int osc_sync_interpret(const struct lu_env *env,
|
|||
goto out;
|
||||
|
||||
body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
|
||||
if (body == NULL) {
|
||||
if (!body) {
|
||||
CERROR("can't unpack ost_body\n");
|
||||
rc = -EPROTO;
|
||||
goto out;
|
||||
|
@ -595,7 +595,7 @@ int osc_sync_base(struct obd_export *exp, struct obd_info *oinfo,
|
|||
int rc;
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_SYNC);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_SYNC);
|
||||
|
@ -650,7 +650,7 @@ static int osc_resource_get_unused(struct obd_export *exp, struct obdo *oa,
|
|||
|
||||
ostid_build_res_name(&oa->o_oi, &res_id);
|
||||
res = ldlm_resource_get(ns, NULL, &res_id, 0, 0);
|
||||
if (res == NULL)
|
||||
if (!res)
|
||||
return 0;
|
||||
|
||||
LDLM_RESOURCE_ADDREF(res);
|
||||
|
@ -743,7 +743,7 @@ static int osc_destroy(const struct lu_env *env, struct obd_export *exp,
|
|||
LDLM_FL_DISCARD_DATA);
|
||||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_OST_DESTROY);
|
||||
if (req == NULL) {
|
||||
if (!req) {
|
||||
ldlm_lock_list_put(&cancels, l_bl_ast, count);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
@ -758,7 +758,7 @@ static int osc_destroy(const struct lu_env *env, struct obd_export *exp,
|
|||
req->rq_request_portal = OST_IO_PORTAL; /* bug 7198 */
|
||||
ptlrpc_at_set_req_timeout(req);
|
||||
|
||||
if (oti != NULL && oa->o_valid & OBD_MD_FLCOOKIE)
|
||||
if (oti && oa->o_valid & OBD_MD_FLCOOKIE)
|
||||
oa->o_lcookie = *oti->oti_logcookies;
|
||||
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
|
||||
LASSERT(body);
|
||||
|
@ -1106,7 +1106,7 @@ static int check_write_rcs(struct ptlrpc_request *req,
|
|||
remote_rcs = req_capsule_server_sized_get(&req->rq_pill, &RMF_RCS,
|
||||
sizeof(*remote_rcs) *
|
||||
niocount);
|
||||
if (remote_rcs == NULL) {
|
||||
if (!remote_rcs) {
|
||||
CDEBUG(D_INFO, "Missing/short RC vector on BRW_WRITE reply\n");
|
||||
return -EPROTO;
|
||||
}
|
||||
|
@ -1244,7 +1244,7 @@ static int osc_brw_prep_request(int cmd, struct client_obd *cli,
|
|||
opc = OST_READ;
|
||||
req = ptlrpc_request_alloc(cli->cl_import, &RQF_OST_BRW_READ);
|
||||
}
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
for (niocount = i = 1; i < page_count; i++) {
|
||||
|
@ -1274,7 +1274,7 @@ static int osc_brw_prep_request(int cmd, struct client_obd *cli,
|
|||
opc == OST_WRITE ? BULK_GET_SOURCE : BULK_PUT_SINK,
|
||||
OST_BULK_PORTAL);
|
||||
|
||||
if (desc == NULL) {
|
||||
if (!desc) {
|
||||
rc = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
@ -1283,7 +1283,7 @@ static int osc_brw_prep_request(int cmd, struct client_obd *cli,
|
|||
body = req_capsule_client_get(pill, &RMF_OST_BODY);
|
||||
ioobj = req_capsule_client_get(pill, &RMF_OBD_IOOBJ);
|
||||
niobuf = req_capsule_client_get(pill, &RMF_NIOBUF_REMOTE);
|
||||
LASSERT(body != NULL && ioobj != NULL && niobuf != NULL);
|
||||
LASSERT(body && ioobj && niobuf);
|
||||
|
||||
lustre_set_wire_obdo(&req->rq_import->imp_connect_data, &body->oa, oa);
|
||||
|
||||
|
@ -1472,9 +1472,9 @@ static int osc_brw_fini_request(struct ptlrpc_request *req, int rc)
|
|||
return rc;
|
||||
}
|
||||
|
||||
LASSERTF(req->rq_repmsg != NULL, "rc = %d\n", rc);
|
||||
LASSERTF(req->rq_repmsg, "rc = %d\n", rc);
|
||||
body = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
|
||||
if (body == NULL) {
|
||||
if (!body) {
|
||||
DEBUG_REQ(D_INFO, req, "Can't unpack body\n");
|
||||
return -EPROTO;
|
||||
}
|
||||
|
@ -1627,7 +1627,7 @@ static int osc_brw_redo_request(struct ptlrpc_request *request,
|
|||
return rc;
|
||||
|
||||
list_for_each_entry(oap, &aa->aa_oaps, oap_rpc_item) {
|
||||
if (oap->oap_request != NULL) {
|
||||
if (oap->oap_request) {
|
||||
LASSERTF(request == oap->oap_request,
|
||||
"request %p != oap_request %p\n",
|
||||
request, oap->oap_request);
|
||||
|
@ -1709,7 +1709,7 @@ static void sort_brw_pages(struct brw_page **array, int num)
|
|||
|
||||
static void osc_release_ppga(struct brw_page **ppga, u32 count)
|
||||
{
|
||||
LASSERT(ppga != NULL);
|
||||
LASSERT(ppga);
|
||||
kfree(ppga);
|
||||
}
|
||||
|
||||
|
@ -1748,7 +1748,7 @@ static int brw_interpret(const struct lu_env *env,
|
|||
}
|
||||
|
||||
list_for_each_entry_safe(ext, tmp, &aa->aa_exts, oe_link) {
|
||||
if (obj == NULL && rc == 0) {
|
||||
if (!obj && rc == 0) {
|
||||
obj = osc2cl(ext->oe_obj);
|
||||
cl_object_get(obj);
|
||||
}
|
||||
|
@ -1759,7 +1759,7 @@ static int brw_interpret(const struct lu_env *env,
|
|||
LASSERT(list_empty(&aa->aa_exts));
|
||||
LASSERT(list_empty(&aa->aa_oaps));
|
||||
|
||||
if (obj != NULL) {
|
||||
if (obj) {
|
||||
struct obdo *oa = aa->aa_oa;
|
||||
struct cl_attr *attr = &osc_env_info(env)->oti_attr;
|
||||
unsigned long valid = 0;
|
||||
|
@ -1871,13 +1871,13 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
|
|||
}
|
||||
|
||||
pga = kcalloc(page_count, sizeof(*pga), GFP_NOFS);
|
||||
if (pga == NULL) {
|
||||
if (!pga) {
|
||||
rc = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
||||
oa = kmem_cache_alloc(obdo_cachep, GFP_NOFS | __GFP_ZERO);
|
||||
if (oa == NULL) {
|
||||
if (!oa) {
|
||||
rc = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
@ -1886,7 +1886,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
|
|||
list_for_each_entry(oap, &rpc_list, oap_rpc_item) {
|
||||
struct cl_page *page = oap2cl_page(oap);
|
||||
|
||||
if (clerq == NULL) {
|
||||
if (!clerq) {
|
||||
clerq = cl_req_alloc(env, page, crt,
|
||||
1 /* only 1-object rpcs for now */);
|
||||
if (IS_ERR(clerq)) {
|
||||
|
@ -1907,7 +1907,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
|
|||
}
|
||||
|
||||
/* always get the data for the obdo for the rpc */
|
||||
LASSERT(clerq != NULL);
|
||||
LASSERT(clerq);
|
||||
crattr->cra_oa = oa;
|
||||
cl_req_attr_set(env, clerq, crattr, ~0ULL);
|
||||
if (lock) {
|
||||
|
@ -1959,7 +1959,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
|
|||
tmp = NULL;
|
||||
list_for_each_entry(oap, &aa->aa_oaps, oap_rpc_item) {
|
||||
/* only one oap gets a request reference */
|
||||
if (tmp == NULL)
|
||||
if (!tmp)
|
||||
tmp = oap;
|
||||
if (oap->oap_interrupted && !req->rq_intr) {
|
||||
CDEBUG(D_INODE, "oap %p in req %p interrupted\n",
|
||||
|
@ -1967,7 +1967,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
|
|||
ptlrpc_mark_interrupted(req);
|
||||
}
|
||||
}
|
||||
if (tmp != NULL)
|
||||
if (tmp)
|
||||
tmp->oap_request = ptlrpc_request_addref(req);
|
||||
|
||||
client_obd_list_lock(&cli->cl_loi_list_lock);
|
||||
|
@ -2001,7 +2001,7 @@ out:
|
|||
kfree(crattr);
|
||||
|
||||
if (rc != 0) {
|
||||
LASSERT(req == NULL);
|
||||
LASSERT(!req);
|
||||
|
||||
if (oa)
|
||||
kmem_cache_free(obdo_cachep, oa);
|
||||
|
@ -2026,7 +2026,6 @@ static int osc_set_lock_data_with_check(struct ldlm_lock *lock,
|
|||
void *data = einfo->ei_cbdata;
|
||||
int set = 0;
|
||||
|
||||
LASSERT(lock != NULL);
|
||||
LASSERT(lock->l_blocking_ast == einfo->ei_cb_bl);
|
||||
LASSERT(lock->l_resource->lr_type == einfo->ei_type);
|
||||
LASSERT(lock->l_completion_ast == einfo->ei_cb_cp);
|
||||
|
@ -2035,7 +2034,7 @@ static int osc_set_lock_data_with_check(struct ldlm_lock *lock,
|
|||
lock_res_and_lock(lock);
|
||||
spin_lock(&osc_ast_guard);
|
||||
|
||||
if (lock->l_ast_data == NULL)
|
||||
if (!lock->l_ast_data)
|
||||
lock->l_ast_data = data;
|
||||
if (lock->l_ast_data == data)
|
||||
set = 1;
|
||||
|
@ -2052,7 +2051,7 @@ static int osc_set_data_with_check(struct lustre_handle *lockh,
|
|||
struct ldlm_lock *lock = ldlm_handle2lock(lockh);
|
||||
int set = 0;
|
||||
|
||||
if (lock != NULL) {
|
||||
if (lock) {
|
||||
set = osc_set_lock_data_with_check(lock, einfo);
|
||||
LDLM_LOCK_PUT(lock);
|
||||
} else
|
||||
|
@ -2095,7 +2094,6 @@ static int osc_enqueue_fini(struct ptlrpc_request *req, struct ost_lvb *lvb,
|
|||
rep = req_capsule_server_get(&req->rq_pill,
|
||||
&RMF_DLM_REP);
|
||||
|
||||
LASSERT(rep != NULL);
|
||||
rep->lock_policy_res1 =
|
||||
ptlrpc_status_ntoh(rep->lock_policy_res1);
|
||||
if (rep->lock_policy_res1)
|
||||
|
@ -2170,7 +2168,7 @@ static int osc_enqueue_interpret(const struct lu_env *env,
|
|||
*/
|
||||
ldlm_lock_decref(&handle, mode);
|
||||
|
||||
LASSERTF(lock != NULL, "lockh %p, req %p, aa %p - client evicted?\n",
|
||||
LASSERTF(lock, "lockh %p, req %p, aa %p - client evicted?\n",
|
||||
aa->oa_lockh, req, aa);
|
||||
ldlm_lock_decref(&handle, mode);
|
||||
LDLM_LOCK_PUT(lock);
|
||||
|
@ -2281,7 +2279,7 @@ int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id,
|
|||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp),
|
||||
&RQF_LDLM_ENQUEUE_LVB);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ldlm_prep_enqueue_req(exp, req, &cancels, 0);
|
||||
|
@ -2361,7 +2359,7 @@ int osc_match_base(struct obd_export *exp, struct ldlm_res_id *res_id,
|
|||
rc = ldlm_lock_match(obd->obd_namespace, lflags,
|
||||
res_id, type, policy, rc, lockh, unref);
|
||||
if (rc) {
|
||||
if (data != NULL) {
|
||||
if (data) {
|
||||
if (!osc_set_data_with_check(lockh, data)) {
|
||||
if (!(lflags & LDLM_FL_TEST_LOCK))
|
||||
ldlm_lock_decref(lockh, rc);
|
||||
|
@ -2411,7 +2409,7 @@ static int osc_statfs_interpret(const struct lu_env *env,
|
|||
goto out;
|
||||
|
||||
msfs = req_capsule_server_get(&req->rq_pill, &RMF_OBD_STATFS);
|
||||
if (msfs == NULL) {
|
||||
if (!msfs) {
|
||||
rc = -EPROTO;
|
||||
goto out;
|
||||
}
|
||||
|
@ -2438,7 +2436,7 @@ static int osc_statfs_async(struct obd_export *exp,
|
|||
* is not so great if request processing is slow, while absolute
|
||||
* timestamps are not ideal because they need time synchronization. */
|
||||
req = ptlrpc_request_alloc(obd->u.cli.cl_import, &RQF_OST_STATFS);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_STATFS);
|
||||
|
@ -2493,7 +2491,7 @@ static int osc_statfs(const struct lu_env *env, struct obd_export *exp,
|
|||
|
||||
class_import_put(imp);
|
||||
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_STATFS);
|
||||
|
@ -2516,7 +2514,7 @@ static int osc_statfs(const struct lu_env *env, struct obd_export *exp,
|
|||
goto out;
|
||||
|
||||
msfs = req_capsule_server_get(&req->rq_pill, &RMF_OBD_STATFS);
|
||||
if (msfs == NULL) {
|
||||
if (!msfs) {
|
||||
rc = -EPROTO;
|
||||
goto out;
|
||||
}
|
||||
|
@ -2701,7 +2699,7 @@ static int osc_get_info(const struct lu_env *env, struct obd_export *exp,
|
|||
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp),
|
||||
&RQF_OST_GET_INFO_LAST_ID);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
|
||||
|
@ -2722,7 +2720,7 @@ static int osc_get_info(const struct lu_env *env, struct obd_export *exp,
|
|||
goto out;
|
||||
|
||||
reply = req_capsule_server_get(&req->rq_pill, &RMF_OBD_ID);
|
||||
if (reply == NULL) {
|
||||
if (!reply) {
|
||||
rc = -EPROTO;
|
||||
goto out;
|
||||
}
|
||||
|
@ -2775,7 +2773,7 @@ out:
|
|||
skip_locking:
|
||||
req = ptlrpc_request_alloc(class_exp2cliimp(exp),
|
||||
&RQF_OST_GET_INFO_FIEMAP);
|
||||
if (req == NULL) {
|
||||
if (!req) {
|
||||
rc = -ENOMEM;
|
||||
goto drop_lock;
|
||||
}
|
||||
|
@ -2804,7 +2802,7 @@ skip_locking:
|
|||
goto fini_req;
|
||||
|
||||
reply = req_capsule_server_get(&req->rq_pill, &RMF_FIEMAP_VAL);
|
||||
if (reply == NULL) {
|
||||
if (!reply) {
|
||||
rc = -EPROTO;
|
||||
goto fini_req;
|
||||
}
|
||||
|
@ -2853,7 +2851,7 @@ static int osc_set_info_async(const struct lu_env *env, struct obd_export *exp,
|
|||
if (KEY_IS(KEY_CACHE_SET)) {
|
||||
struct client_obd *cli = &obd->u.cli;
|
||||
|
||||
LASSERT(cli->cl_cache == NULL); /* only once */
|
||||
LASSERT(!cli->cl_cache); /* only once */
|
||||
cli->cl_cache = val;
|
||||
atomic_inc(&cli->cl_cache->ccc_users);
|
||||
cli->cl_lru_left = &cli->cl_cache->ccc_lru_left;
|
||||
|
@ -2890,7 +2888,7 @@ static int osc_set_info_async(const struct lu_env *env, struct obd_export *exp,
|
|||
req = ptlrpc_request_alloc(imp, KEY_IS(KEY_GRANT_SHRINK) ?
|
||||
&RQF_OST_SET_GRANT_INFO :
|
||||
&RQF_OBD_SET_INFO);
|
||||
if (req == NULL)
|
||||
if (!req)
|
||||
return -ENOMEM;
|
||||
|
||||
req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
|
||||
|
@ -2929,7 +2927,7 @@ static int osc_set_info_async(const struct lu_env *env, struct obd_export *exp,
|
|||
|
||||
ptlrpc_request_set_replen(req);
|
||||
if (!KEY_IS(KEY_GRANT_SHRINK)) {
|
||||
LASSERT(set != NULL);
|
||||
LASSERT(set);
|
||||
ptlrpc_set_add_req(set, req);
|
||||
ptlrpc_check_set(NULL, set);
|
||||
} else {
|
||||
|
@ -2947,7 +2945,7 @@ static int osc_reconnect(const struct lu_env *env,
|
|||
{
|
||||
struct client_obd *cli = &obd->u.cli;
|
||||
|
||||
if (data != NULL && (data->ocd_connect_flags & OBD_CONNECT_GRANT)) {
|
||||
if (data && (data->ocd_connect_flags & OBD_CONNECT_GRANT)) {
|
||||
long lost_grant;
|
||||
|
||||
client_obd_list_lock(&cli->cl_loi_list_lock);
|
||||
|
@ -2988,7 +2986,7 @@ static int osc_disconnect(struct obd_export *exp)
|
|||
* So the osc should be disconnected from the shrink list, after we
|
||||
* are sure the import has been destroyed. BUG18662
|
||||
*/
|
||||
if (obd->u.cli.cl_import == NULL)
|
||||
if (!obd->u.cli.cl_import)
|
||||
osc_del_shrink_grant(&obd->u.cli);
|
||||
return rc;
|
||||
}
|
||||
|
@ -3213,7 +3211,7 @@ int osc_cleanup(struct obd_device *obd)
|
|||
int rc;
|
||||
|
||||
/* lru cleanup */
|
||||
if (cli->cl_cache != NULL) {
|
||||
if (cli->cl_cache) {
|
||||
LASSERT(atomic_read(&cli->cl_cache->ccc_users) > 0);
|
||||
spin_lock(&cli->cl_cache->ccc_lru_lock);
|
||||
list_del_init(&cli->cl_lru_osc);
|
||||
|
|
Loading…
Reference in New Issue