From 8a4b83cc8bd75fca29ac68615896d9e92820e7c2 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 24 Mar 2008 15:02:07 -0400 Subject: Btrfs: Add support for device scanning and detection ioctls Signed-off-by: Chris Mason --- fs/btrfs/ioctl.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'fs/btrfs/ioctl.h') 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 -- cgit