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[XFS] Hook up compat XFS_IOC_FSSETDM_BY_HANDLE ioctl handler 

Add a compat handler for XFS_IOC_FSSETDM_BY_HANDLE.

I haven't tested this, lacking dmapi tools to do so
(unless xfsqa magically gets this somehow?)

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
sandeen@sandeen.net 2008-11-25 21:20:16 -06:00 committed by Lachlan McIlroy
parent 28750975ac
commit 710d62aaaf
2 changed files with 51 additions and 1 deletions
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43
fs/xfs/linux-2.6/xfs_ioctl32.c
View File

@ -563,6 +563,46 @@ xfs_compat_attrmulti_by_handle(
return -error;
}
STATIC int
xfs_compat_fssetdm_by_handle(
xfs_mount_t *mp,
void __user *arg,
struct inode *parinode)
{
int error;
struct fsdmidata fsd;
compat_xfs_fsop_setdm_handlereq_t dmhreq;
struct inode *inode;
if (!capable(CAP_MKNOD))
return -XFS_ERROR(EPERM);
if (copy_from_user(&dmhreq, arg,
sizeof(compat_xfs_fsop_setdm_handlereq_t)))
return -XFS_ERROR(EFAULT);
error = xfs_vget_fsop_handlereq_compat(mp, parinode, &dmhreq.hreq,
&inode);
if (error)
return -error;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) {
error = -XFS_ERROR(EPERM);
goto out;
}
if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) {
error = -XFS_ERROR(EFAULT);
goto out;
}
error = -xfs_set_dmattrs(XFS_I(inode), fsd.fsd_dmevmask,
fsd.fsd_dmstate);
out:
iput(inode);
return error;
}
STATIC long
xfs_compat_ioctl(
xfs_inode_t *ip,
@ -586,7 +626,6 @@ xfs_compat_ioctl(
case XFS_IOC_GETBMAP:
case XFS_IOC_GETBMAPA:
case XFS_IOC_GETBMAPX:
/* case XFS_IOC_FSSETDM_BY_HANDLE: not handled */
case XFS_IOC_FSCOUNTS:
case XFS_IOC_SET_RESBLKS:
case XFS_IOC_GET_RESBLKS:
@ -696,6 +735,8 @@ xfs_compat_ioctl(
return xfs_compat_attrlist_by_handle(mp, arg, inode);
case XFS_IOC_ATTRMULTI_BY_HANDLE_32:
return xfs_compat_attrmulti_by_handle(mp, arg, inode);
case XFS_IOC_FSSETDM_BY_HANDLE_32:
return xfs_compat_fssetdm_by_handle(mp, arg, inode);
default:
return -XFS_ERROR(ENOIOCTLCMD);
}

9
fs/xfs/linux-2.6/xfs_ioctl32.h
View File

@ -155,6 +155,15 @@ typedef struct compat_xfs_fsop_attrmulti_handlereq {
#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
_IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
typedef struct compat_xfs_fsop_setdm_handlereq {
struct compat_xfs_fsop_handlereq hreq; /* handle information */
/* ptr to struct fsdmidata */
compat_uptr_t data; /* DMAPI data */
} compat_xfs_fsop_setdm_handlereq_t;
#define XFS_IOC_FSSETDM_BY_HANDLE_32 \
_IOW('X', 121, struct compat_xfs_fsop_setdm_handlereq)
#ifdef BROKEN_X86_ALIGNMENT
/* on ia32 l_start is on a 32-bit boundary */
typedef struct compat_xfs_flock64 {