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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>
This commit is contained in:
Joe Thornber 2015-07-30 09:29:40 +01:00 committed by Mike Snitzer
parent 8c747fd0c3
commit e44b6a5a3c
1 changed files with 2 additions and 1 deletions
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3
drivers/md/dm-cache-target.c
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@ -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)