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| author | Jon Brassow <jbrassow@redhat.com> | 2009-12-11 00:52:09 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-12-11 00:52:09 +0100 |
| commit | d32a6ea65fbc33621f9c790da3dff10201640b2a (patch) | |
| tree | a352ceb4ed92812bda57dd33806417da84adbc7b /drivers/md/dm-snap.c | |
| parent | dm snapshot: abstract minimum_chunk_size fn (diff) | |
| download | linux-d32a6ea65fbc33621f9c790da3dff10201640b2a.tar.xz linux-d32a6ea65fbc33621f9c790da3dff10201640b2a.zip | |
dm snapshot: consolidate insert exception functions
Consolidate the insert_*exception functions. 'insert_completed_exception'
already contains all the logic to handle 'insert_exception' (via
check for a hash_shift of 0), so remove redundant function.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 48978ab42ae5..9135498213ef 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -390,13 +390,6 @@ static uint32_t exception_hash(struct exception_table *et, chunk_t chunk) return (chunk >> et->hash_shift) & et->hash_mask; } -static void insert_exception(struct exception_table *eh, - struct dm_snap_exception *e) -{ - struct list_head *l = &eh->table[exception_hash(eh, e->old_chunk)]; - list_add(&e->hash_list, l); -} - static void remove_exception(struct dm_snap_exception *e) { list_del(&e->hash_list); @@ -457,10 +450,9 @@ static void free_pending_exception(struct dm_snap_pending_exception *pe) atomic_dec(&s->pending_exceptions_count); } -static void insert_completed_exception(struct dm_snapshot *s, - struct dm_snap_exception *new_e) +static void insert_exception(struct exception_table *eh, + struct dm_snap_exception *new_e) { - struct exception_table *eh = &s->complete; struct list_head *l; struct dm_snap_exception *e = NULL; @@ -518,7 +510,7 @@ static int dm_add_exception(void *context, chunk_t old, chunk_t new) /* Consecutive_count is implicitly initialised to zero */ e->new_chunk = new; - insert_completed_exception(s, e); + insert_exception(&s->complete, e); return 0; } @@ -925,7 +917,7 @@ static void pending_complete(struct dm_snap_pending_exception *pe, int success) * Add a proper exception, and remove the * in-flight exception from the list. */ - insert_completed_exception(s, e); + insert_exception(&s->complete, e); out: remove_exception(&pe->e); |