On Wed 12-10-16 09:00:02, Dan Carpenter wrote:
> Before commit c3fe493ccdb1 ('ext4: remove unneeded test in
> ext4_alloc_file_blocks()') then it was possible for "depth" to be -1
> but now, it's not possible that it is negative.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Looks good. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
>
> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
> index c930a01..dca394c 100644
> --- a/fs/ext4/extents.c
> +++ b/fs/ext4/extents.c
> @@ -4701,7 +4701,7 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset,
> /*
> * Recalculate credits when extent tree depth changes.
> */
> - if (depth >= 0 && depth != ext_depth(inode)) {
> + if (depth != ext_depth(inode)) {
> credits = ext4_chunk_trans_blocks(inode, len);
> depth = ext_depth(inode);
> }
> --
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--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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