Re: [PATCH 1/3] fs: reformat the statx definition

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On Wed, Aug 28, 2024 at 08:11:01AM +0300, Christoph Hellwig wrote:
> The comments after the declaration are becoming rather unreadable with
> long enough comments.  Move them into lines of their own.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Space for full sentences, what luxury! ;)
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>

--D

> ---
>  include/uapi/linux/stat.h | 95 +++++++++++++++++++++++++++++----------
>  1 file changed, 72 insertions(+), 23 deletions(-)
> 
> diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h
> index 887a2528644168..8b35d7d511a287 100644
> --- a/include/uapi/linux/stat.h
> +++ b/include/uapi/linux/stat.h
> @@ -98,43 +98,92 @@ struct statx_timestamp {
>   */
>  struct statx {
>  	/* 0x00 */
> -	__u32	stx_mask;	/* What results were written [uncond] */
> -	__u32	stx_blksize;	/* Preferred general I/O size [uncond] */
> -	__u64	stx_attributes;	/* Flags conveying information about the file [uncond] */
> +	/* What results were written [uncond] */
> +	__u32	stx_mask;
> +
> +	/* Preferred general I/O size [uncond] */
> +	__u32	stx_blksize;
> +
> +	/* Flags conveying information about the file [uncond] */
> +	__u64	stx_attributes;
> +
>  	/* 0x10 */
> -	__u32	stx_nlink;	/* Number of hard links */
> -	__u32	stx_uid;	/* User ID of owner */
> -	__u32	stx_gid;	/* Group ID of owner */
> -	__u16	stx_mode;	/* File mode */
> +	/* Number of hard links */
> +	__u32	stx_nlink;
> +
> +	/* User ID of owner */
> +	__u32	stx_uid;
> +
> +	/* Group ID of owner */
> +	__u32	stx_gid;
> +
> +	/* File mode */
> +	__u16	stx_mode;
>  	__u16	__spare0[1];
> +
>  	/* 0x20 */
> -	__u64	stx_ino;	/* Inode number */
> -	__u64	stx_size;	/* File size */
> -	__u64	stx_blocks;	/* Number of 512-byte blocks allocated */
> -	__u64	stx_attributes_mask; /* Mask to show what's supported in stx_attributes */
> +	/* Inode number */
> +	__u64	stx_ino;
> +
> +	/* File size */
> +	__u64	stx_size;
> +
> +	/* Number of 512-byte blocks allocated */
> +	__u64	stx_blocks;
> +
> +	/* Mask to show what's supported in stx_attributes */
> +	__u64	stx_attributes_mask;
> +
>  	/* 0x40 */
> -	struct statx_timestamp	stx_atime;	/* Last access time */
> -	struct statx_timestamp	stx_btime;	/* File creation time */
> -	struct statx_timestamp	stx_ctime;	/* Last attribute change time */
> -	struct statx_timestamp	stx_mtime;	/* Last data modification time */
> +	/* Last access time */
> +	struct statx_timestamp	stx_atime;
> +
> +	/* File creation time */
> +	struct statx_timestamp	stx_btime;
> +
> +	/* Last attribute change time */
> +	struct statx_timestamp	stx_ctime;
> +
> +	/* Last data modification time */
> +	struct statx_timestamp	stx_mtime;
> +
>  	/* 0x80 */
> -	__u32	stx_rdev_major;	/* Device ID of special file [if bdev/cdev] */
> +	/* Device ID of special file [if bdev/cdev] */
> +	__u32	stx_rdev_major;
>  	__u32	stx_rdev_minor;
> -	__u32	stx_dev_major;	/* ID of device containing file [uncond] */
> +
> +	/* ID of device containing file [uncond] */
> +	__u32	stx_dev_major;
>  	__u32	stx_dev_minor;
> +
>  	/* 0x90 */
>  	__u64	stx_mnt_id;
> -	__u32	stx_dio_mem_align;	/* Memory buffer alignment for direct I/O */
> -	__u32	stx_dio_offset_align;	/* File offset alignment for direct I/O */
> +
> +	/* Memory buffer alignment for direct I/O */
> +	__u32	stx_dio_mem_align;
> +
> +	/* File offset alignment for direct I/O */
> +	__u32	stx_dio_offset_align;
> +
>  	/* 0xa0 */
> -	__u64	stx_subvol;	/* Subvolume identifier */
> -	__u32	stx_atomic_write_unit_min;	/* Min atomic write unit in bytes */
> -	__u32	stx_atomic_write_unit_max;	/* Max atomic write unit in bytes */
> +	/* Subvolume identifier */
> +	__u64	stx_subvol;
> +
> +	/* Min atomic write unit in bytes */
> +	__u32	stx_atomic_write_unit_min;
> +
> +	/* Max atomic write unit in bytes */
> +	__u32	stx_atomic_write_unit_max;
> +
>  	/* 0xb0 */
> -	__u32   stx_atomic_write_segments_max;	/* Max atomic write segment count */
> +	/* Max atomic write segment count */
> +	__u32   stx_atomic_write_segments_max;
> +
>  	__u32   __spare1[1];
> +
>  	/* 0xb8 */
>  	__u64	__spare3[9];	/* Spare space for future expansion */
> +
>  	/* 0x100 */
>  };
>  
> -- 
> 2.43.0
> 
> 




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