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| author | Takashi Iwai <tiwai@suse.de> | 2017-06-07 11:25:30 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-06-07 11:25:30 +0300 |
| commit | 4c7aba46c9e82aa236502760a677e666589afead (patch) | |
| tree | 9baa94b072fa58c674c34b8ddaec8b9e727e1657 /drivers/md/persistent-data | |
| parent | d2dc2a96de9d58038ac1f9ee432e88a70958d59b (diff) | |
| parent | ba3021b2c79b2fa9114f92790a99deb27a65b728 (diff) | |
| download | linux-4c7aba46c9e82aa236502760a677e666589afead.tar.xz | |
Merge branch 'for-linus' into for-next
For applying more ALSA timer cleanups.
Diffstat (limited to 'drivers/md/persistent-data')
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-disk.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c index ebb280a14325..32adf6b4a9c7 100644 --- a/drivers/md/persistent-data/dm-space-map-disk.c +++ b/drivers/md/persistent-data/dm-space-map-disk.c @@ -142,10 +142,23 @@ static int sm_disk_inc_block(struct dm_space_map *sm, dm_block_t b) static int sm_disk_dec_block(struct dm_space_map *sm, dm_block_t b) { + int r; + uint32_t old_count; enum allocation_event ev; struct sm_disk *smd = container_of(sm, struct sm_disk, sm); - return sm_ll_dec(&smd->ll, b, &ev); + r = sm_ll_dec(&smd->ll, b, &ev); + if (!r && (ev == SM_FREE)) { + /* + * It's only free if it's also free in the last + * transaction. + */ + r = sm_ll_lookup(&smd->old_ll, b, &old_count); + if (!r && !old_count) + smd->nr_allocated_this_transaction--; + } + + return r; } static int sm_disk_new_block(struct dm_space_map *sm, dm_block_t *b) |