[PATCH 6.6 134/301] btrfs: make btrfs_clear_delalloc_extent() free delalloc reserve

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6.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Boris Burkov <boris@xxxxxx>

[ Upstream commit 3c6f0c5ecc8910d4ffb0dfe85609ebc0c91c8f34 ]

Currently, this call site in btrfs_clear_delalloc_extent() only converts
the reservation. We are marking it not delalloc, so I don't think it
makes sense to keep the rsv around.  This is a path where we are not
sure to join a transaction, so it leads to incorrect free-ing during
umount.

Helps with the pass rate of generic/269 and generic/475.

Reviewed-by: Qu Wenruo <wqu@xxxxxxxx>
Signed-off-by: Boris Burkov <boris@xxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/btrfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 33d0efa5ed794..5ddee801a8303 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2510,7 +2510,7 @@ void btrfs_clear_delalloc_extent(struct btrfs_inode *inode,
 		 */
 		if (bits & EXTENT_CLEAR_META_RESV &&
 		    root != fs_info->tree_root)
-			btrfs_delalloc_release_metadata(inode, len, false);
+			btrfs_delalloc_release_metadata(inode, len, true);
 
 		/* For sanity tests. */
 		if (btrfs_is_testing(fs_info))
-- 
2.43.0







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