diff mbox series

[v6,10/10] btrfs: skip space_cache v1 setup when not using it

Message ID 97ff859cf0df9b5db6313df215fa62754213fb4b.1604015464.git.boris@bur.io (mailing list archive)
State New, archived
Headers show
Series btrfs: free space tree mounting fixes | expand

Commit Message

Boris Burkov Oct. 29, 2020, 11:57 p.m. UTC 
If we are not using space cache v1, we should not create the free space
object or free space inodes. This comes up when we delete the existing
free space objects/inodes when migrating to v2, only to see them get
recreated for every dirtied block group.

Signed-off-by: Boris Burkov <boris@bur.io>
---
 fs/btrfs/block-group.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 2dde5c6f1da8..13a16158f4c7 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -2374,6 +2374,9 @@  static int cache_save_setup(struct btrfs_block_group *block_group,
 	int retries = 0;
 	int ret = 0;
 
+	if (!btrfs_test_opt(fs_info, SPACE_CACHE))
+		return 0;
+
 	/*
 	 * If this block group is smaller than 100 megs don't bother caching the
 	 * block group.