diff options
| author | Josef Bacik <josef@toxicpanda.com> | 2020-07-21 10:22:19 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-10-07 12:06:51 +0200 |
| commit | 99ffb43e5d4a0710fb094f3efbdf47f85f3b87c9 (patch) | |
| tree | 98bf6dc8bfa1a55cdd4d617afd014fe4547d44bc /fs | |
| parent | 2732798c9bb647978043e4daf54a6f9f3025d4c5 (diff) | |
btrfs: call btrfs_try_granting_tickets when reserving space
If we have compression on we could free up more space than we reserved,
and thus be able to make a space reservation. Add the call for this
scenario.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Tested-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/block-group.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index bc95f5f963fb..c9d7465501a4 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -2961,6 +2961,13 @@ int btrfs_add_reserved_bytes(struct btrfs_block_group *cache, space_info, -ram_bytes); if (delalloc) cache->delalloc_bytes += num_bytes; + + /* + * Compression can use less space than we reserved, so wake + * tickets if that happens + */ + if (num_bytes < ram_bytes) + btrfs_try_granting_tickets(cache->fs_info, space_info); } spin_unlock(&cache->lock); spin_unlock(&space_info->lock); |