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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: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Christoph Hellwig 2011-04-21 13:21:03 +00:00 committed by Alex Elder
parent 1a18a29478
commit 8c1fdd0be5
2 changed files with 3 additions and 1 deletions
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3
fs/xfs/linux-2.6/xfs_ioctl32.c
View File

@ -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))

1
fs/xfs/linux-2.6/xfs_ioctl32.h
View File

@ -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 */