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Commit 191437a5 authored by Jon Brassow's avatar Jon Brassow Committed by Alasdair G Kergon
Browse files

dm snapshot: rename exception_table to dm_exception_table 



Rename exception_table for broader use outside dm-snap.c

Signed-off-by: default avatarJonathan Brassow <jbrassow@redhat.com>
Reviewed-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 1d4989c8

drivers/md/dm-snap.c

+9 −8
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ 
#define DM_TRACKED_CHUNK_HASH(x)	((unsigned long)(x) & \

					 (DM_TRACKED_CHUNK_HASH_SIZE - 1))



struct exception_table {

struct dm_exception_table {

	uint32_t hash_mask;

	unsigned hash_shift;

	struct list_head *table;
@@ -73,8 +73,8 @@ struct dm_snapshot { 


	atomic_t pending_exceptions_count;



	struct exception_table pending;

	struct exception_table complete;

	struct dm_exception_table pending;

	struct dm_exception_table complete;



	/*

	 * pe_lock protects all pending_exception operations and access
@@ -351,7 +351,7 @@ static void unregister_snapshot(struct dm_snapshot *s) 
 * The lowest hash_shift bits of the chunk number are ignored, allowing

 * some consecutive chunks to be grouped together.

 */

static int init_exception_table(struct exception_table *et, uint32_t size,

static int init_exception_table(struct dm_exception_table *et, uint32_t size,

				unsigned hash_shift)

{

	unsigned int i;
@@ -368,7 +368,8 @@ static int init_exception_table(struct exception_table *et, uint32_t size, 
	return 0;

}



static void exit_exception_table(struct exception_table *et, struct kmem_cache *mem)

static void exit_exception_table(struct dm_exception_table *et,

				 struct kmem_cache *mem)

{

	struct list_head *slot;

	struct dm_exception *ex, *next;
@@ -385,7 +386,7 @@ static void exit_exception_table(struct exception_table *et, struct kmem_cache * 
	vfree(et->table);

}



static uint32_t exception_hash(struct exception_table *et, chunk_t chunk)

static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk)

{

	return (chunk >> et->hash_shift) & et->hash_mask;

}
@@ -399,7 +400,7 @@ static void remove_exception(struct dm_exception *e) 
 * Return the exception data for a sector, or NULL if not

 * remapped.

 */

static struct dm_exception *lookup_exception(struct exception_table *et,

static struct dm_exception *lookup_exception(struct dm_exception_table *et,

						  chunk_t chunk)

{

	struct list_head *slot;
@@ -450,7 +451,7 @@ static void free_pending_exception(struct dm_snap_pending_exception *pe) 
	atomic_dec(&s->pending_exceptions_count);

}



static void insert_exception(struct exception_table *eh,

static void insert_exception(struct dm_exception_table *eh,

			     struct dm_exception *new_e)

{

	struct list_head *l;