Commit 884f6eca authored by Jeff Mahoney's avatar Jeff Mahoney Committed by David Sterba
Browse files

btrfs: uapi/linux/btrfs.h migration, document subvol flags 



Signed-off-by: default avatarJeff Mahoney <jeffm@suse.com>
Reviewed-by: default avatarLiu Bo <bo.li.liu@oracle.com>
Reviewed-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 83288b60

include/uapi/linux/btrfs.h

+14 −3
Original line number Diff line number Diff line
@@ -34,9 +34,6 @@ struct btrfs_ioctl_vol_args { 


#define BTRFS_DEVICE_PATH_NAME_MAX 1024



#define BTRFS_SUBVOL_CREATE_ASYNC	(1ULL << 0)

#define BTRFS_SUBVOL_RDONLY		(1ULL << 1)

#define BTRFS_SUBVOL_QGROUP_INHERIT	(1ULL << 2)

#define BTRFS_FSID_SIZE 16

#define BTRFS_UUID_SIZE 16

#define BTRFS_UUID_UNPARSED_SIZE	37
@@ -85,6 +82,20 @@ struct btrfs_ioctl_qgroup_limit_args { 
	struct btrfs_qgroup_limit lim;

};



/*

 * flags for subvolumes

 *

 * Used by:

 * struct btrfs_ioctl_vol_args_v2.flags

 *

 * BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls:

 * - BTRFS_IOC_SUBVOL_GETFLAGS

 * - BTRFS_IOC_SUBVOL_SETFLAGS

 */

#define BTRFS_SUBVOL_CREATE_ASYNC	(1ULL << 0)

#define BTRFS_SUBVOL_RDONLY		(1ULL << 1)

#define BTRFS_SUBVOL_QGROUP_INHERIT	(1ULL << 2)



#define BTRFS_SUBVOL_NAME_MAX 4039

struct btrfs_ioctl_vol_args_v2 {

	__s64 fd;