filesystem freeze: 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 <dgc@sgi.com>
Signed-off-by: Takashi Sato <t-sato@yk.jp.nec.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: <xfs-masters@oss.sgi.com>
Cc: <linux-ext4@vger.kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 67205f6..e5be1e0 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -1546,21 +1546,6 @@ xfs_file_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 --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index 0504cec..50903ad 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -632,8 +632,6 @@ xfs_file_compat_ioctl(
        case XFS_IOC_SET_RESBLKS:
        case XFS_IOC_GET_RESBLKS:
        case XFS_IOC_FSGROWFSLOG:
-       case XFS_IOC_FREEZE:
-       case XFS_IOC_THAW:
        case XFS_IOC_GOINGDOWN:
        case XFS_IOC_ERROR_INJECTION:
        case XFS_IOC_ERROR_CLEARALL:

diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
index 589c41c..f7c06fa 100644 (file)
--- a/fs/xfs/xfs_fs.h
+++ b/fs/xfs/xfs_fs.h
@@ -465,8 +465,8 @@ 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)