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Commit 8c1fdd0b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Alex Elder
Browse files

xfs: add an x86 compat handler for XFS_IOC_ZERO_RANGE 



XFS_IOC_ZERO_RANGE uses struct xfs_flock64, and thus requires argument
translation for 32-bit binaries on x86.  Add the required
XFS_IOC_ZERO_RANGE_32 defined and add it to the list of commands that
require xfs_flock64 translation.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAlex Elder <aelder@sgi.com>
parent 1a18a294

fs/xfs/linux-2.6/xfs_ioctl32.c

+2 −1
Original line number Diff line number Diff line
@@ -586,7 +586,8 @@ xfs_file_compat_ioctl( 
	case XFS_IOC_RESVSP_32:

	case XFS_IOC_UNRESVSP_32:

	case XFS_IOC_RESVSP64_32:

	case XFS_IOC_UNRESVSP64_32: {

	case XFS_IOC_UNRESVSP64_32:

	case XFS_IOC_ZERO_RANGE_32: {

		struct xfs_flock64	bf;



		if (xfs_compat_flock64_copyin(&bf, arg))

fs/xfs/linux-2.6/xfs_ioctl32.h

+1 −0
Original line number Diff line number Diff line
@@ -184,6 +184,7 @@ typedef struct compat_xfs_flock64 { 
#define XFS_IOC_UNRESVSP_32	_IOW('X', 41, struct compat_xfs_flock64)

#define XFS_IOC_RESVSP64_32	_IOW('X', 42, struct compat_xfs_flock64)

#define XFS_IOC_UNRESVSP64_32	_IOW('X', 43, struct compat_xfs_flock64)

#define XFS_IOC_ZERO_RANGE_32	_IOW('X', 57, struct compat_xfs_flock64)



typedef struct compat_xfs_fsop_geom_v1 {

	__u32		blocksize;	/* filesystem (data) block size */