dm snapshot: rename exception_table to dm_exception_table
Rename exception_table for broader use outside dm-snap.c Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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@ -49,7 +49,7 @@
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#define DM_TRACKED_CHUNK_HASH(x) ((unsigned long)(x) & \
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(DM_TRACKED_CHUNK_HASH_SIZE - 1))
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struct exception_table {
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struct dm_exception_table {
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uint32_t hash_mask;
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unsigned hash_shift;
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struct list_head *table;
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@ -73,8 +73,8 @@ struct dm_snapshot {
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atomic_t pending_exceptions_count;
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struct exception_table pending;
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struct exception_table complete;
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struct dm_exception_table pending;
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struct dm_exception_table complete;
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/*
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* pe_lock protects all pending_exception operations and access
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@ -351,7 +351,7 @@ static void unregister_snapshot(struct dm_snapshot *s)
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* The lowest hash_shift bits of the chunk number are ignored, allowing
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* some consecutive chunks to be grouped together.
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*/
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static int init_exception_table(struct exception_table *et, uint32_t size,
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static int init_exception_table(struct dm_exception_table *et, uint32_t size,
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unsigned hash_shift)
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{
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unsigned int i;
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@ -368,7 +368,8 @@ static int init_exception_table(struct exception_table *et, uint32_t size,
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return 0;
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}
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static void exit_exception_table(struct exception_table *et, struct kmem_cache *mem)
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static void exit_exception_table(struct dm_exception_table *et,
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struct kmem_cache *mem)
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{
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struct list_head *slot;
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struct dm_exception *ex, *next;
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@ -385,7 +386,7 @@ static void exit_exception_table(struct exception_table *et, struct kmem_cache *
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vfree(et->table);
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}
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static uint32_t exception_hash(struct exception_table *et, chunk_t chunk)
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static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk)
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{
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return (chunk >> et->hash_shift) & et->hash_mask;
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}
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@ -399,7 +400,7 @@ static void remove_exception(struct dm_exception *e)
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* Return the exception data for a sector, or NULL if not
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* remapped.
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*/
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static struct dm_exception *lookup_exception(struct exception_table *et,
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static struct dm_exception *lookup_exception(struct dm_exception_table *et,
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chunk_t chunk)
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{
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struct list_head *slot;
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@ -450,7 +451,7 @@ static void free_pending_exception(struct dm_snap_pending_exception *pe)
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atomic_dec(&s->pending_exceptions_count);
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}
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static void insert_exception(struct exception_table *eh,
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static void insert_exception(struct dm_exception_table *eh,
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struct dm_exception *new_e)
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{
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struct list_head *l;
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