xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dm snapshot: rename dm_snap_exception to dm_exception

Browse Source 
The exception structure is not necessarily just a snapshot
element (especially after we pull it out of dm-snap.c).

Renaming appropriately.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Jon Brassow
2009-12-10 23:52:10 +00:00
committed by Alasdair G Kergon
parent d32a6ea65f
commit 1d4989c858
4 changed files with 28 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/md/dm-snap.c
View File

@@ -116,7 +116,7 @@ static int bdev_equal(struct block_device *lhs, struct block_device *rhs)
}
struct dm_snap_pending_exception {
struct dm_snap_exception e;
struct dm_exception e;
/*
* Origin buffers waiting for this to complete are held
@@ -371,7 +371,7 @@ static int init_exception_table(struct exception_table *et, uint32_t size,
static void exit_exception_table(struct exception_table *et, struct kmem_cache *mem)
{
struct list_head *slot;
struct dm_snap_exception *ex, *next;
struct dm_exception *ex, *next;
int i, size;
size = et->hash_mask + 1;
@@ -390,7 +390,7 @@ static uint32_t exception_hash(struct exception_table *et, chunk_t chunk)
return (chunk >> et->hash_shift) & et->hash_mask;
}
static void remove_exception(struct dm_snap_exception *e)
static void remove_exception(struct dm_exception *e)
{
list_del(&e->hash_list);
}
@@ -399,11 +399,11 @@ static void remove_exception(struct dm_snap_exception *e)
* Return the exception data for a sector, or NULL if not
* remapped.
*/
static struct dm_snap_exception *lookup_exception(struct exception_table *et,
static struct dm_exception *lookup_exception(struct exception_table *et,
chunk_t chunk)
{
struct list_head *slot;
struct dm_snap_exception *e;
struct dm_exception *e;
slot = &et->table[exception_hash(et, chunk)];
list_for_each_entry (e, slot, hash_list)
@@ -414,9 +414,9 @@ static struct dm_snap_exception *lookup_exception(struct exception_table *et,
return NULL;
}
static struct dm_snap_exception *alloc_exception(void)
static struct dm_exception *alloc_exception(void)
{
struct dm_snap_exception *e;
struct dm_exception *e;
e = kmem_cache_alloc(exception_cache, GFP_NOIO);
if (!e)
@@ -425,7 +425,7 @@ static struct dm_snap_exception *alloc_exception(void)
return e;
}
static void free_exception(struct dm_snap_exception *e)
static void free_exception(struct dm_exception *e)
{
kmem_cache_free(exception_cache, e);
}
@@ -451,10 +451,10 @@ static void free_pending_exception(struct dm_snap_pending_exception *pe)
}
static void insert_exception(struct exception_table *eh,
struct dm_snap_exception *new_e)
struct dm_exception *new_e)
{
struct list_head *l;
struct dm_snap_exception *e = NULL;
struct dm_exception *e = NULL;
l = &eh->table[exception_hash(eh, new_e->old_chunk)];
@@ -499,7 +499,7 @@ out:
static int dm_add_exception(void *context, chunk_t old, chunk_t new)
{
struct dm_snapshot *s = context;
struct dm_snap_exception *e;
struct dm_exception *e;
e = alloc_exception();
if (!e)
@@ -876,7 +876,7 @@ static struct bio *put_pending_exception(struct dm_snap_pending_exception *pe)
static void pending_complete(struct dm_snap_pending_exception *pe, int success)
{
struct dm_snap_exception *e;
struct dm_exception *e;
struct dm_snapshot *s = pe->snap;
struct bio *origin_bios = NULL;
struct bio *snapshot_bios = NULL;
@@ -988,7 +988,7 @@ static void start_copy(struct dm_snap_pending_exception *pe)
static struct dm_snap_pending_exception *
__lookup_pending_exception(struct dm_snapshot *s, chunk_t chunk)
{
struct dm_snap_exception *e = lookup_exception(&s->pending, chunk);
struct dm_exception *e = lookup_exception(&s->pending, chunk);
if (!e)
return NULL;
@@ -1034,7 +1034,7 @@ __find_pending_exception(struct dm_snapshot *s,
return pe;
}
static void remap_exception(struct dm_snapshot *s, struct dm_snap_exception *e,
static void remap_exception(struct dm_snapshot *s, struct dm_exception *e,
struct bio *bio, chunk_t chunk)
{
bio->bi_bdev = s->store->cow->bdev;
@@ -1048,7 +1048,7 @@ static void remap_exception(struct dm_snapshot *s, struct dm_snap_exception *e,
static int snapshot_map(struct dm_target *ti, struct bio *bio,
union map_info *map_context)
{
struct dm_snap_exception *e;
struct dm_exception *e;
struct dm_snapshot *s = ti->private;
int r = DM_MAPIO_REMAPPED;
chunk_t chunk;
@@ -1221,7 +1221,7 @@ static int __origin_write(struct list_head *snapshots, struct bio *bio)
{
int r = DM_MAPIO_REMAPPED, first = 0;
struct dm_snapshot *snap;
struct dm_snap_exception *e;
struct dm_exception *e;
struct dm_snap_pending_exception *pe, *next_pe, *primary_pe = NULL;
chunk_t chunk;
LIST_HEAD(pe_queue);
@@ -1500,7 +1500,7 @@ static int __init dm_snapshot_init(void)
goto bad2;
}
exception_cache = KMEM_CACHE(dm_snap_exception, 0);
exception_cache = KMEM_CACHE(dm_exception, 0);
if (!exception_cache) {
DMERR("Couldn't create exception cache.");
r = -ENOMEM;