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authorKiyoshi Ueda <k-ueda@ct.jp.nec.com>2006-12-08 13:41:07 +0300
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 19:29:09 +0300
commit81fdb096dbcedcc3b94c7e47b59362b5214891e2 (patch)
treece40376d3c16e3105e73d84b0129ab4bfb06dedf /include
parentd2a7ad29a810441e9dacbaddcc2f0c6045390008 (diff)
downloadlinux-81fdb096dbcedcc3b94c7e47b59362b5214891e2.tar.xz
[PATCH] dm: ioctl: add noflush suspend
Provide a dm ioctl option to request noflush suspending. (See next patch for what this is for.) As the interface is extended, the version number is incremented. Other than accepting the new option through the interface, There is no change to existing behaviour. Test results: Confirmed the option is given from user-space correctly. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: dm-devel@redhat.com Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/dm-ioctl.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h
index 8853fc4d1c5e..b93486107821 100644
--- a/include/linux/dm-ioctl.h
+++ b/include/linux/dm-ioctl.h
@@ -285,9 +285,9 @@ typedef char ioctl_struct[308];
#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
#define DM_VERSION_MAJOR 4
-#define DM_VERSION_MINOR 10
+#define DM_VERSION_MINOR 11
#define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl (2006-09-14)"
+#define DM_VERSION_EXTRA "-ioctl (2006-10-12)"
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */
@@ -323,4 +323,9 @@ typedef char ioctl_struct[308];
*/
#define DM_SKIP_LOCKFS_FLAG (1 << 10) /* In */
+/*
+ * Set this to suspend without flushing queued ios.
+ */
+#define DM_NOFLUSH_FLAG (1 << 11) /* In */
+
#endif /* _LINUX_DM_IOCTL_H */