48 				 struct nilfs_argv *argv, int dir,  in nilfs_ioctl_wrap_copy()  argument
54 	void __user *base = (void __user *)(unsigned long)argv->v_base;  in nilfs_ioctl_wrap_copy()
60 	if (argv->v_nmembs == 0)  in nilfs_ioctl_wrap_copy()
63 	if (argv->v_size > PAGE_SIZE)  in nilfs_ioctl_wrap_copy()
71 	if (argv->v_index > ~(__u64)0 - argv->v_nmembs)  in nilfs_ioctl_wrap_copy()
77 	maxmembs = PAGE_SIZE / argv->v_size;  in nilfs_ioctl_wrap_copy()
81 	pos = argv->v_index;  in nilfs_ioctl_wrap_copy()
82 	for (i = 0; i < argv->v_nmembs; i += n) {  in nilfs_ioctl_wrap_copy()
83 		n = (argv->v_nmembs - i < maxmembs) ?  in nilfs_ioctl_wrap_copy()
84 			argv->v_nmembs - i : maxmembs;  in nilfs_ioctl_wrap_copy()
86 		    copy_from_user(buf, base + argv->v_size * i,  in nilfs_ioctl_wrap_copy()
87 				   argv->v_size * n)) {  in nilfs_ioctl_wrap_copy()
92 		nr = dofunc(nilfs, &pos, argv->v_flags, buf, argv->v_size,  in nilfs_ioctl_wrap_copy()
99 		    copy_to_user(base + argv->v_size * i, buf,  in nilfs_ioctl_wrap_copy()
100 				 argv->v_size * nr)) {  in nilfs_ioctl_wrap_copy()
110 	argv->v_nmembs = total;  in nilfs_ioctl_wrap_copy()
501 	struct nilfs_argv argv;  in nilfs_ioctl_get_bdescs()  local
504 	if (copy_from_user(&argv, argp, sizeof(argv)))  in nilfs_ioctl_get_bdescs()
507 	if (argv.v_size != sizeof(struct nilfs_bdesc))  in nilfs_ioctl_get_bdescs()
510 	ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd),  in nilfs_ioctl_get_bdescs()
515 	if (copy_to_user(argp, &argv, sizeof(argv)))  in nilfs_ioctl_get_bdescs()
597 				   struct nilfs_argv *argv, void *buf)  in nilfs_ioctl_move_blocks()  argument
599 	size_t nmembs = argv->v_nmembs;  in nilfs_ioctl_move_blocks()
681 					  struct nilfs_argv *argv, void *buf)  in nilfs_ioctl_delete_checkpoints()  argument
683 	size_t nmembs = argv->v_nmembs;  in nilfs_ioctl_delete_checkpoints()
716 				      struct nilfs_argv *argv, void *buf)  in nilfs_ioctl_free_vblocknrs()  argument
718 	size_t nmembs = argv->v_nmembs;  in nilfs_ioctl_free_vblocknrs()
745 					 struct nilfs_argv *argv, void *buf)  in nilfs_ioctl_mark_blocks_dirty()  argument
747 	size_t nmembs = argv->v_nmembs;  in nilfs_ioctl_mark_blocks_dirty()
791 				       struct nilfs_argv *argv, void **kbufs)  in nilfs_ioctl_prepare_clean_segments()  argument
796 	ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], kbufs[1]);  in nilfs_ioctl_prepare_clean_segments()
805 	ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], kbufs[2]);  in nilfs_ioctl_prepare_clean_segments()
814 	ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], kbufs[3]);  in nilfs_ioctl_prepare_clean_segments()
846 	struct nilfs_argv argv[5];  in nilfs_ioctl_clean_segments()  local
868 	if (copy_from_user(argv, argp, sizeof(argv)))  in nilfs_ioctl_clean_segments()
872 	nsegs = argv[4].v_nmembs;  in nilfs_ioctl_clean_segments()
873 	if (argv[4].v_size != argsz[4])  in nilfs_ioctl_clean_segments()
883 	kbufs[4] = memdup_user((void __user *)(unsigned long)argv[4].v_base,  in nilfs_ioctl_clean_segments()
893 		if (argv[n].v_size != argsz[n])  in nilfs_ioctl_clean_segments()
896 		if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)  in nilfs_ioctl_clean_segments()
899 		if (argv[n].v_nmembs >= UINT_MAX / argv[n].v_size)  in nilfs_ioctl_clean_segments()
902 		len = argv[n].v_size * argv[n].v_nmembs;  in nilfs_ioctl_clean_segments()
903 		base = (void __user *)(unsigned long)argv[n].v_base;  in nilfs_ioctl_clean_segments()
932 	ret = nilfs_ioctl_move_blocks(inode->i_sb, &argv[0], kbufs[0]);  in nilfs_ioctl_clean_segments()
940 		ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);  in nilfs_ioctl_clean_segments()
1164 	struct nilfs_argv argv;  in nilfs_ioctl_get_info()  local
1167 	if (copy_from_user(&argv, argp, sizeof(argv)))  in nilfs_ioctl_get_info()
1170 	if (argv.v_size < membsz)  in nilfs_ioctl_get_info()
1173 	ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), dofunc);  in nilfs_ioctl_get_info()
1177 	if (copy_to_user(argp, &argv, sizeof(argv)))  in nilfs_ioctl_get_info()
1211 	struct nilfs_argv argv;  in nilfs_ioctl_set_suinfo()  local
1225 	if (copy_from_user(&argv, argp, sizeof(argv)))  in nilfs_ioctl_set_suinfo()
1229 	if (argv.v_size < sizeof(struct nilfs_suinfo_update))  in nilfs_ioctl_set_suinfo()
1232 	if (argv.v_nmembs > nilfs->ns_nsegments)  in nilfs_ioctl_set_suinfo()
1235 	if (argv.v_nmembs >= UINT_MAX / argv.v_size)  in nilfs_ioctl_set_suinfo()
1238 	len = argv.v_size * argv.v_nmembs;  in nilfs_ioctl_set_suinfo()
1244 	base = (void __user *)(unsigned long)argv.v_base;  in nilfs_ioctl_set_suinfo()
1257 	ret = nilfs_sufile_set_suinfo(nilfs->ns_sufile, kbuf, argv.v_size,  in nilfs_ioctl_set_suinfo()
1258 			argv.v_nmembs);  in nilfs_ioctl_set_suinfo()