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| author |   Joe Thornber <ejt@redhat.com> | 2015-07-30 09:29:40 +0100 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@redhat.com> | 2015-08-12 11:32:20 -0400 |
| commit | e44b6a5a3c711c1ada4cf7135bf9dbf860caffd2 (patch) | |
| tree | dcd60dc8ed4d022ea3fc7b1829010d4203098c41 /drivers/md/dm-cache-target.c | |
| parent | dm btree remove: remove unused function get_nr_entries() (diff) | |
| download | linux-dev-e44b6a5a3c711c1ada4cf7135bf9dbf860caffd2.tar.xz linux-dev-e44b6a5a3c711c1ada4cf7135bf9dbf860caffd2.zip | |
dm cache: move wake_waker() from free_migrations() to where it is needed
This stops spurious wake ups from calls to prealloc_free_structs().
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-cache-target.c')
| -rw-r--r-- | drivers/md/dm-cache-target.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 1fe93cfea7d3..8cef66b33243 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -424,7 +424,6 @@ static void free_migration(struct dm_cache_migration *mg) wake_up(&cache->migration_wait); mempool_free(mg, cache->migration_pool); - wake_worker(cache); } static int prealloc_data_structs(struct cache *cache, struct prealloc *p) @@ -1125,6 +1124,7 @@ static void free_io_migration(struct dm_cache_migration *mg) { dec_io_migrations(mg->cache); free_migration(mg); + wake_worker(mg->cache); } static void migration_failure(struct dm_cache_migration *mg) @@ -1361,6 +1361,7 @@ static void issue_discard(struct dm_cache_migration *mg) bio_endio(bio, 0); cell_defer(mg->cache, mg->new_ocell, false); free_migration(mg); + wake_worker(mg->cache); } static void issue_copy_or_discard(struct dm_cache_migration *mg) |