Hi all, This series of patches implements a new ioctl to set the uuid of mounted filesystems. Eventually this will be used by the 'xfs_io fsuuid' command to allow userspace to update the uuid. Comments and feedback appreciated! Catherine Catherine Hoang (4): xfs: refactor xfs_uuid_mount and xfs_uuid_unmount xfs: implement custom freeze/thaw functions xfs: add XFS_IOC_SETFSUUID ioctl xfs: export meta uuid via xfs_fsop_geom fs/xfs/libxfs/xfs_fs.h | 4 +- fs/xfs/libxfs/xfs_sb.c | 5 ++ fs/xfs/xfs_ioctl.c | 107 +++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_log.c | 19 +++++++ fs/xfs/xfs_log.h | 2 + fs/xfs/xfs_mount.c | 30 +++++++++-- fs/xfs/xfs_mount.h | 2 + fs/xfs/xfs_super.c | 112 +++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_super.h | 5 ++ 9 files changed, 280 insertions(+), 6 deletions(-) -- 2.34.1