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authorChris Mason <chris.mason@oracle.com>2008-03-24 15:02:07 -0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:01 -0400
commit8a4b83cc8bd75fca29ac68615896d9e92820e7c2 (patch)
treeb7f99cf53c322665b78cca10742cc734ad070729 /fs/btrfs/ioctl.h
parent239b14b32dc39232ebf9cce29ff77c4c564355fd (diff)
Btrfs: Add support for device scanning and detection ioctls
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ioctl.h')
-rw-r--r--fs/btrfs/ioctl.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 8c6290665d4..4551e82013c 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -22,8 +22,10 @@
#define BTRFS_IOCTL_MAGIC 0x94
#define BTRFS_VOL_NAME_MAX 255
+#define BTRFS_PATH_NAME_MAX 4095
+
struct btrfs_ioctl_vol_args {
- char name[BTRFS_VOL_NAME_MAX + 1];
+ char name[BTRFS_PATH_NAME_MAX + 1];
};
#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
@@ -32,4 +34,6 @@ struct btrfs_ioctl_vol_args {
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
+ struct btrfs_ioctl_vol_args)
#endif