Btrfs: snapshot progress

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-04-10 09:27:04 -04:00
parent 0f7d52f443
commit c5739bba52
7 changed files with 183 additions and 12 deletions
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -0,0 +1,13 @@
+#ifndef __IOCTL_
+#define __IOCTL_
+#include <linux/ioctl.h>
+
+#define BTRFS_IOCTL_MAGIC 0x94
+#define BTRFS_VOL_NAME_MAX 255
+struct btrfs_ioctl_vol_args {
+	char name[BTRFS_VOL_NAME_MAX + 1];
+};
+
+#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
+				   struct btrfs_ioctl_vol_args)
+#endif