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btrfs: handle btrfs_record_root_in_trans failure in create_subvol

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btrfs_record_root_in_trans will return errors in the future, so handle
the error properly in create_subvol.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik
2021-03-12 15:25:06 -05:00
committed by David Sterba
parent 2002ae112a
commit 221581e485
1 changed files with 6 additions and 1 deletions
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7
fs/btrfs/ioctl.c
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@@ -721,7 +721,12 @@ static noinline int create_subvol(struct inode *dir,
/* Freeing will be done in btrfs_put_root() of new_root */
anon_dev = 0;
btrfs_record_root_in_trans(trans, new_root);
ret = btrfs_record_root_in_trans(trans, new_root);
if (ret) {
btrfs_put_root(new_root);
btrfs_abort_transaction(trans, ret);
goto fail;
}
ret = btrfs_create_subvol_root(trans, new_root, root);
btrfs_put_root(new_root);