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btrfs: clear dirty status from extent buffer on error at insert_new_root()

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commit c0d013495a80cbb53e2288af7ae0ec4170aafd7c upstream.

If we failed to insert the tree mod log operation, we are not removing the
dirty status from the allocated and dirtied extent buffer before we free
it. Removing the dirty status is needed for several reasons such as to
adjust the fs_info->dirty_metadata_bytes counter and remove the dirty
status from the respective folios. So add the missing call to
btrfs_clear_buffer_dirty().

Fixes: f61aa7ba08 ("btrfs: do not BUG_ON() on tree mod log failure at insert_new_root()")
CC: stable@vger.kernel.org # 6.6+
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Filipe Manana
2025-06-30 10:50:46 +01:00
committed by Greg Kroah-Hartman
parent 99e36ff41a
commit a002525b2f
1 changed files with 1 additions and 0 deletions
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fs/btrfs/ctree.c
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@@ -3049,6 +3049,7 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
if (ret < 0) {
int ret2;
btrfs_clear_buffer_dirty(trans, c);
ret2 = btrfs_free_tree_block(trans, btrfs_root_id(root), c, 0, 1);
if (ret2 < 0)
btrfs_abort_transaction(trans, ret2);