526 int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt,  in nilfs_attach_checkpoint()  argument
536 		nilfs, curr_mnt ? NILFS_CPTREE_CURRENT_CNO : cno);  in nilfs_attach_checkpoint()
544 	err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, cno, 0, &raw_cp,  in nilfs_attach_checkpoint()
552 			       (unsigned long long)cno);  in nilfs_attach_checkpoint()
568 	nilfs_cpfile_put_checkpoint(nilfs->ns_cpfile, cno, bh_cp);  in nilfs_attach_checkpoint()
575 	nilfs_cpfile_put_checkpoint(nilfs->ns_cpfile, cno, bh_cp);  in nilfs_attach_checkpoint()
688 	if (root->cno != NILFS_CPTREE_CURRENT_CNO)  in nilfs_show_options()
689 		seq_printf(seq, ",cp=%llu", (unsigned long long)root->cno);  in nilfs_show_options()
939 	if (root->cno == NILFS_CPTREE_CURRENT_CNO) {  in nilfs_get_root_dentry()
966 static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,  in nilfs_attach_snapshot()  argument
976 	ret = nilfs_cpfile_is_snapshot(nilfs->ns_cpfile, cno);  in nilfs_attach_snapshot()
984 		       (unsigned long long)cno);  in nilfs_attach_snapshot()
989 	ret = nilfs_attach_checkpoint(s, cno, false, &root);  in nilfs_attach_snapshot()
993 	       (unsigned long long)cno);  in nilfs_attach_snapshot()
1015 int nilfs_checkpoint_is_mounted(struct super_block *sb, __u64 cno)  in nilfs_checkpoint_is_mounted()  argument
1023 	if (cno > nilfs->ns_cno)  in nilfs_checkpoint_is_mounted()
1026 	if (cno >= nilfs_last_cno(nilfs))  in nilfs_checkpoint_is_mounted()
1030 	root = nilfs_lookup_root(nilfs, cno);  in nilfs_checkpoint_is_mounted()
1060 	__u64 cno;  in nilfs_fill_super()  local
1085 	cno = nilfs_last_cno(nilfs);  in nilfs_fill_super()
1086 	err = nilfs_attach_checkpoint(sb, cno, true, &fsroot);  in nilfs_fill_super()
1089 		       "(checkpoint number=%llu).\n", (unsigned long long)cno);  in nilfs_fill_super()
1213 	__u64 cno;  member
1237 					sd->cno = simple_strtoull(args[0].from,  in nilfs_identify()
1244 					if (sd->cno == 0)  in nilfs_identify()
1289 	sd.cno = 0;  in nilfs_mount()
1330 	} else if (!sd.cno) {  in nilfs_mount()
1351 	if (sd.cno) {  in nilfs_mount()
1352 		err = nilfs_attach_snapshot(s, sd.cno, &root_dentry);  in nilfs_mount()