Re: [PATCH 1/9] xfs: remove various bulk request typedef usage

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On Wed, Jun 26, 2019 at 01:45:39PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> Remove xfs_bstat_t, xfs_fsop_bulkreq_t, xfs_inogrp_t, and similarly
> named compat typedefs.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> Reviewed-by: Allison Collins <allison.henderson@xxxxxxxxxx>
> ---

Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>

>  fs/xfs/libxfs/xfs_fs.h |   16 ++++++++--------
>  fs/xfs/xfs_ioctl.c     |    2 +-
>  fs/xfs/xfs_ioctl32.c   |   11 +++++++----
>  fs/xfs/xfs_ioctl32.h   |   14 +++++++-------
>  4 files changed, 23 insertions(+), 20 deletions(-)
> 
> 
> diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
> index e7382c780ed7..ef0dce229fa4 100644
> --- a/fs/xfs/libxfs/xfs_fs.h
> +++ b/fs/xfs/libxfs/xfs_fs.h
> @@ -97,7 +97,7 @@ struct getbmapx {
>   * For use by backup and restore programs to set the XFS on-disk inode
>   * fields di_dmevmask and di_dmstate.  These must be set to exactly and
>   * only values previously obtained via xfs_bulkstat!  (Specifically the
> - * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
> + * struct xfs_bstat fields bs_dmevmask and bs_dmstate.)
>   */
>  #ifndef HAVE_FSDMIDATA
>  struct fsdmidata {
> @@ -328,7 +328,7 @@ typedef struct xfs_bstime {
>  	__s32		tv_nsec;	/* and nanoseconds	*/
>  } xfs_bstime_t;
>  
> -typedef struct xfs_bstat {
> +struct xfs_bstat {
>  	__u64		bs_ino;		/* inode number			*/
>  	__u16		bs_mode;	/* type and mode		*/
>  	__u16		bs_nlink;	/* number of links		*/
> @@ -356,7 +356,7 @@ typedef struct xfs_bstat {
>  	__u32		bs_dmevmask;	/* DMIG event mask		*/
>  	__u16		bs_dmstate;	/* DMIG state info		*/
>  	__u16		bs_aextents;	/* attribute number of extents	*/
> -} xfs_bstat_t;
> +};
>  
>  /* bs_sick flags */
>  #define XFS_BS_SICK_INODE	(1 << 0)  /* inode core */
> @@ -382,22 +382,22 @@ bstat_get_projid(struct xfs_bstat *bs)
>  /*
>   * The user-level BulkStat Request interface structure.
>   */
> -typedef struct xfs_fsop_bulkreq {
> +struct xfs_fsop_bulkreq {
>  	__u64		__user *lastip;	/* last inode # pointer		*/
>  	__s32		icount;		/* count of entries in buffer	*/
>  	void		__user *ubuffer;/* user buffer for inode desc.	*/
>  	__s32		__user *ocount;	/* output count pointer		*/
> -} xfs_fsop_bulkreq_t;
> +};
>  
>  
>  /*
>   * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
>   */
> -typedef struct xfs_inogrp {
> +struct xfs_inogrp {
>  	__u64		xi_startino;	/* starting inode number	*/
>  	__s32		xi_alloccount;	/* # bits set in allocmask	*/
>  	__u64		xi_allocmask;	/* mask of allocated inodes	*/
> -} xfs_inogrp_t;
> +};
>  
>  
>  /*
> @@ -529,7 +529,7 @@ typedef struct xfs_swapext
>  	xfs_off_t	sx_offset;	/* offset into file */
>  	xfs_off_t	sx_length;	/* leng from offset */
>  	char		sx_pad[16];	/* pad space, unused */
> -	xfs_bstat_t	sx_stat;	/* stat of target b4 copy */
> +	struct xfs_bstat sx_stat;	/* stat of target b4 copy */
>  } xfs_swapext_t;
>  
>  /*
> diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
> index 04b661ff0799..34b38d8e8dc9 100644
> --- a/fs/xfs/xfs_ioctl.c
> +++ b/fs/xfs/xfs_ioctl.c
> @@ -766,7 +766,7 @@ xfs_ioc_bulkstat(
>  	if (XFS_FORCED_SHUTDOWN(mp))
>  		return -EIO;
>  
> -	if (copy_from_user(&bulkreq, arg, sizeof(xfs_fsop_bulkreq_t)))
> +	if (copy_from_user(&bulkreq, arg, sizeof(struct xfs_fsop_bulkreq)))
>  		return -EFAULT;
>  
>  	if (copy_from_user(&lastino, bulkreq.lastip, sizeof(__s64)))
> diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
> index f3949684c49c..d7c5153e1b61 100644
> --- a/fs/xfs/xfs_ioctl32.c
> +++ b/fs/xfs/xfs_ioctl32.c
> @@ -118,11 +118,14 @@ xfs_ioctl32_bstime_copyin(
>  	return 0;
>  }
>  
> -/* xfs_bstat_t has differing alignment on intel, & bstime_t sizes everywhere */
> +/*
> + * struct xfs_bstat has differing alignment on intel, & bstime_t sizes
> + * everywhere
> + */
>  STATIC int
>  xfs_ioctl32_bstat_copyin(
> -	xfs_bstat_t		*bstat,
> -	compat_xfs_bstat_t	__user *bstat32)
> +	struct xfs_bstat		*bstat,
> +	struct compat_xfs_bstat	__user	*bstat32)
>  {
>  	if (get_user(bstat->bs_ino,	&bstat32->bs_ino)	||
>  	    get_user(bstat->bs_mode,	&bstat32->bs_mode)	||
> @@ -206,7 +209,7 @@ STATIC int
>  xfs_compat_ioc_bulkstat(
>  	xfs_mount_t		  *mp,
>  	unsigned int		  cmd,
> -	compat_xfs_fsop_bulkreq_t __user *p32)
> +	struct compat_xfs_fsop_bulkreq __user *p32)
>  {
>  	u32			addr;
>  	struct xfs_fsop_bulkreq	bulkreq;
> diff --git a/fs/xfs/xfs_ioctl32.h b/fs/xfs/xfs_ioctl32.h
> index d28fa824284a..7985344d3aa6 100644
> --- a/fs/xfs/xfs_ioctl32.h
> +++ b/fs/xfs/xfs_ioctl32.h
> @@ -36,7 +36,7 @@ typedef struct compat_xfs_bstime {
>  	__s32		tv_nsec;	/* and nanoseconds	*/
>  } compat_xfs_bstime_t;
>  
> -typedef struct compat_xfs_bstat {
> +struct compat_xfs_bstat {
>  	__u64		bs_ino;		/* inode number			*/
>  	__u16		bs_mode;	/* type and mode		*/
>  	__u16		bs_nlink;	/* number of links		*/
> @@ -61,14 +61,14 @@ typedef struct compat_xfs_bstat {
>  	__u32		bs_dmevmask;	/* DMIG event mask		*/
>  	__u16		bs_dmstate;	/* DMIG state info		*/
>  	__u16		bs_aextents;	/* attribute number of extents	*/
> -} __compat_packed compat_xfs_bstat_t;
> +} __compat_packed;
>  
> -typedef struct compat_xfs_fsop_bulkreq {
> +struct compat_xfs_fsop_bulkreq {
>  	compat_uptr_t	lastip;		/* last inode # pointer		*/
>  	__s32		icount;		/* count of entries in buffer	*/
>  	compat_uptr_t	ubuffer;	/* user buffer for inode desc.	*/
>  	compat_uptr_t	ocount;		/* output count pointer		*/
> -} compat_xfs_fsop_bulkreq_t;
> +};
>  
>  #define XFS_IOC_FSBULKSTAT_32 \
>  	_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
> @@ -106,7 +106,7 @@ typedef struct compat_xfs_swapext {
>  	xfs_off_t		sx_offset;	/* offset into file */
>  	xfs_off_t		sx_length;	/* leng from offset */
>  	char			sx_pad[16];	/* pad space, unused */
> -	compat_xfs_bstat_t	sx_stat;	/* stat of target b4 copy */
> +	struct compat_xfs_bstat	sx_stat;	/* stat of target b4 copy */
>  } __compat_packed compat_xfs_swapext_t;
>  
>  #define XFS_IOC_SWAPEXT_32	_IOWR('X', 109, struct compat_xfs_swapext)
> @@ -201,11 +201,11 @@ typedef struct compat_xfs_fsop_geom_v1 {
>  #define XFS_IOC_FSGEOMETRY_V1_32  \
>  	_IOR('X', 100, struct compat_xfs_fsop_geom_v1)
>  
> -typedef struct compat_xfs_inogrp {
> +struct compat_xfs_inogrp {
>  	__u64		xi_startino;	/* starting inode number	*/
>  	__s32		xi_alloccount;	/* # bits set in allocmask	*/
>  	__u64		xi_allocmask;	/* mask of allocated inodes	*/
> -} __attribute__((packed)) compat_xfs_inogrp_t;
> +} __attribute__((packed));
>  
>  /* These growfs input structures have padding on the end, so must translate */
>  typedef struct compat_xfs_growfs_data {
> 



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