It removes XFS specific ioctl interfaces and request codes
for freeze feature.
This patch has been supplied by David Chinner.

Signed-off-by: Dave Chinner <dgc@sgi....>
Signed-off-by: Takashi Sato <t-sato@yk.j...>
---
linux-2.6/xfs_ioctl.c   |   15 ---------------
linux-2.6/xfs_ioctl32.c |    2 --
xfs_fs.h                |    4 ++--
3 files changed, 2 insertions(+), 19 deletions(-)

diff -uprN -X linux-2.6.27-rc7-freeze/Documentation/dontdiff linux-2.6.27-rc7-freeze/fs/xfs/linux-2.6/xfs_ioctl.c linux-
2.6.27-rc7-xfs/fs/xfs/linux-2.6/xfs_ioctl.c
--- linux-2.6.27-rc7-freeze/fs/xfs/linux-2.6/xfs_ioctl.c 2008-09-22 07:29:55.000000000 +0900
+++ linux-2.6.27-rc7-xfs/fs/xfs/linux-2.6/xfs_ioctl.c 2008-09-22 14:19:19.000000000 +0900
@@ -1529,21 +1529,6 @@ xfs_ioctl(
return -error;
}

- case XFS_IOC_FREEZE:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- if (inode->i_sb->s_frozen == SB_UNFROZEN)
- freeze_bdev(inode->i_sb->s_bdev);
- return 0;
-
- case XFS_IOC_THAW:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (inode->i_sb->s_frozen != SB_UNFROZEN)
- thaw_bdev(inode->i_sb->s_bdev, inode->i_sb);
- return 0;
-
case XFS_IOC_GOINGDOWN: {
__uint32_t in;

diff -uprN -X linux-2.6.27-rc7-freeze/Documentation/dontdiff linux-2.6.27-rc7-freeze/fs/xfs/linux-2.6/xfs_ioctl32.c linu
x-2.6.27-rc7-xfs/fs/xfs/linux-2.6/xfs_ioctl32.c
--- linux-2.6.27-rc7-freeze/fs/xfs/linux-2.6/xfs_ioctl32.c 2008-09-22 07:29:55.000000000 +0900
+++ linux-2.6.27-rc7-xfs/fs/xfs/linux-2.6/xfs_ioctl32.c 2008-09-22 14:19:19.000000000 +0900
@@ -398,8 +398,6 @@ xfs_compat_ioctl(
case XFS_IOC_FSGROWFSDATA:
case XFS_IOC_FSGROWFSLOG:
case XFS_IOC_FSGROWFSRT:
- case XFS_IOC_FREEZE:
- case XFS_IOC_THAW:
case XFS_IOC_GOINGDOWN:
case XFS_IOC_ERROR_INJECTION:
case XFS_IOC_ERROR_CLEARALL:
diff -uprN -X linux-2.6.27-rc7-freeze/Documentation/dontdiff linux-2.6.27-rc7-freeze/fs/xfs/xfs_fs.h linux-2.6.27-rc7-xf
s/fs/xfs/xfs_fs.h
--- linux-2.6.27-rc7-freeze/fs/xfs/xfs_fs.h 2008-09-22 07:29:55.000000000 +0900
+++ linux-2.6.27-rc7-xfs/fs/xfs/xfs_fs.h 2008-09-22 14:19:19.000000000 +0900
@@ -477,8 +477,8 @@ typedef struct xfs_handle {
#define XFS_IOC_ERROR_INJECTION      _IOW ('X', 116, struct xfs_error_injection)
#define XFS_IOC_ERROR_CLEARALL      _IOW ('X', 117, struct xfs_error_injection)
/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
-#define XFS_IOC_FREEZE      _IOWR('X', 119, int)
-#define XFS_IOC_THAW      _IOWR('X', 120, int)
+/* XFS_IOC_FREEZE   -- FIFREEZE   119 */
+/* XFS_IOC_THAW   -- FITHAW     120 */
#define XFS_IOC_FSSETDM_BY_HANDLE    _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
#define XFS_IOC_ATTRLIST_BY_HANDLE   _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
#define XFS_IOC_ATTRMULTI_BY_HANDLE  _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)