There are two places where allocating a chunk is not enough. These two
places are trying to ensure the space by allocating a chunk. To meet the
condition for active_total_bytes, we also need to activate a block group
there.
CC: stable@xxxxxxxxxxxxxxx # 5.16+
Fixes: afba2bc036b0 ("btrfs: zoned: implement active zone tracking")
Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx>
---
fs/btrfs/block-group.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 51e7c1f1d93f..14084da12844 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -2664,6 +2664,14 @@ int btrfs_inc_block_group_ro(struct btrfs_block_group *cache,
ret = btrfs_chunk_alloc(trans, alloc_flags, CHUNK_ALLOC_FORCE);
if (ret < 0)
goto out;
+ /*
+ * We have allocated a new chunk. We also need to activate that chunk to
+ * grant metadata tickets for zoned btrfs.
+ */
+ ret = btrfs_zoned_activate_one_bg(fs_info, cache->space_info, true);
+ if (ret < 0)
+ goto out;
+
ret = inc_block_group_ro(cache, 0);
if (ret == -ETXTBSY)
goto unlock_out;
@@ -3889,6 +3897,14 @@ static void reserve_chunk_space(struct btrfs_trans_handle *trans,
if (IS_ERR(bg)) {
ret = PTR_ERR(bg);
} else {
+ /*
+ * We have a new chunk. We also need to activate it for
+ * zoned btrfs.
+ */
+ ret = btrfs_zoned_activate_one_bg(fs_info, info, true);
+ if (ret < 0)
+ return;
+
/*
* If we fail to add the chunk item here, we end up
* trying again at phase 2 of chunk allocation, at
--
2.35.1
