Re: [PATCH 32/32] xfs: switch xfs_attrmulti_attr_get to lazy attr buffer allocation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Feb 26, 2020 at 12:23:06PM -0800, Christoph Hellwig wrote:
> Let the low-level attr code only allocate the needed buffer size
> for xfs_attrmulti_attr_get instead of allocating the upper bound
> at the top of the call chain.
> 
> Suggested-by: Dave Chinner <dchinner@xxxxxxxxxx>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
>  fs/xfs/xfs_ioctl.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
> index c805fdf4ea39..47a92400929b 100644
> --- a/fs/xfs/xfs_ioctl.c
> +++ b/fs/xfs/xfs_ioctl.c
> @@ -481,10 +481,6 @@ xfs_attrmulti_attr_get(
>  	if (*len > XFS_XATTR_SIZE_MAX)
>  		return -EINVAL;
>  
> -	args.value = kmem_zalloc_large(*len, 0);
> -	if (!args.value)
> -		return -ENOMEM;
> -
>  	error = xfs_attr_get(&args);
>  	if (error)
>  		goto out_kfree;
> -- 
> 2.24.1
> 



[Index of Archives]     [XFS Filesystem Development (older mail)]     [Linux Filesystem Development]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux RAID]     [Linux SCSI]


  Powered by Linux