On Fri, May 3, 2019 at 4:21 PM Josef Bacik <josef@xxxxxxxxxxxxxx> wrote:
>
> If we have an error writing out a delalloc range in
> btrfs_punch_hole_lock_range we'll unlock the inode and then goto
> out_only_mutex, where we will again unlock the inode. This is bad,
> don't do this.
>
> Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
Reviewed-by: Filipe Manana <fdmanana@xxxxxxxx>
Looks good, I introduced the double unlock accidentally.
> ---
> fs/btrfs/file.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
> index 7f7833149cb7..d23ea0b388e0 100644
> --- a/fs/btrfs/file.c
> +++ b/fs/btrfs/file.c
> @@ -2554,10 +2554,8 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
>
> ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,
> &cached_state);
> - if (ret) {
> - inode_unlock(inode);
> + if (ret)
> goto out_only_mutex;
> - }
>
> path = btrfs_alloc_path();
> if (!path) {
> --
> 2.13.5
>
--
Filipe David Manana,
“Whether you think you can, or you think you can't — you're right.”