Remove XFS specific ioctl interfaces for freeze feature

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 <dgcsgi.com>
Signed-off-by: Takashi Sato <t-satoyk.jp.nec.com>
---
 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 /home/sho/pub/MC/freeze-set/dontdiff
linux-2.6.25-freeze/fs/xfs/linux-2.6/xfs_ioctl.c
linux-2.6.25-xfs/fs/
xfs/linux-2.6/xfs_ioctl.c
---
linux-2.6.25-freeze/fs/xfs/linux-2.6/xfs_ioctl.c	2008-04-24
20:42:20.000000000 +0900
+++ linux-2.6.25-xfs/fs/xfs/linux-2.6/xfs_ioctl.c	2008-04-24
20:44:48.000000000 +0900
 -906,21
+906,6  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 /home/sho/pub/MC/freeze-set/dontdiff
linux-2.6.25-freeze/fs/xfs/linux-2.6/xfs_ioctl32.c
linux-2.6.25-xfs/f
s/xfs/linux-2.6/xfs_ioctl32.c
---
linux-2.6.25-freeze/fs/xfs/linux-2.6/xfs_ioctl32.c	2008-04-2
4 20:42:20.000000000 +0900
+++
linux-2.6.25-xfs/fs/xfs/linux-2.6/xfs_ioctl32.c	2008-04-24
20:44:48.000000000 +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 /home/sho/pub/MC/freeze-set/dontdiff
linux-2.6.25-freeze/fs/xfs/xfs_fs.h
linux-2.6.25-xfs/fs/xfs/xfs_fs.h
--- linux-2.6.25-freeze/fs/xfs/xfs_fs.h	2008-04-24
20:42:20.000000000 +0900
+++ linux-2.6.25-xfs/fs/xfs/xfs_fs.h	2008-04-24
20:44:48.000000000 +0900
 -473,8
+473,8  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)

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