Message ID | 20200204161951.764935-9-josef@toxicpanda.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Convert data reservations to the ticketing infrastructure | expand |
Looks good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 616d0dd69394..aca4510f1f2d 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -2899,6 +2899,13 @@ 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);