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-rw-r--r--fs/btrfs/zoned.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index eb63b5ec3be8..cce46d6bb231 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -2021,6 +2021,7 @@ bool btrfs_can_activate_zone(struct btrfs_fs_devices *fs_devices, u64 flags)
void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, u64 length)
{
struct btrfs_block_group *block_group;
+ u64 min_alloc_bytes;
if (!btrfs_is_zoned(fs_info))
return;
@@ -2028,7 +2029,15 @@ void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, u64 len
block_group = btrfs_lookup_block_group(fs_info, logical);
ASSERT(block_group);
- if (logical + length < block_group->start + block_group->zone_capacity)
+ /* No MIXED_BG on zoned btrfs. */
+ if (block_group->flags & BTRFS_BLOCK_GROUP_DATA)
+ min_alloc_bytes = fs_info->sectorsize;
+ else
+ min_alloc_bytes = fs_info->nodesize;
+
+ /* Bail out if we can allocate more data from this block group. */
+ if (logical + length + min_alloc_bytes <=
+ block_group->start + block_group->zone_capacity)
goto out;
do_zone_finish(block_group, true);