jfs_umount_rw 115 fs/jfs/jfs_superblock.h extern int jfs_umount_rw(struct super_block *); jfs_umount_rw 395 fs/jfs/super.c rc = jfs_umount_rw(sb); jfs_umount_rw 401 fs/jfs/super.c rc = jfs_umount_rw(sb);