Lines Matching refs:argv
29 * @argv: vector of arguments from userspace
34 * calling dofunc() function on the basis of @argv argument.
47 struct nilfs_argv *argv, int dir,
53 void __user *base = (void __user *)(unsigned long)argv->v_base;
59 if (argv->v_nmembs == 0)
62 if (argv->v_size > PAGE_SIZE)
66 * Reject pairs of a start item position (argv->v_index) and a
67 * total count (argv->v_nmembs) which leads position 'pos' to
70 if (argv->v_index > ~(__u64)0 - argv->v_nmembs)
76 maxmembs = PAGE_SIZE / argv->v_size;
80 pos = argv->v_index;
81 for (i = 0; i < argv->v_nmembs; i += n) {
82 n = (argv->v_nmembs - i < maxmembs) ?
83 argv->v_nmembs - i : maxmembs;
85 copy_from_user(buf, base + argv->v_size * i,
86 argv->v_size * n)) {
91 nr = dofunc(nilfs, &pos, argv->v_flags, buf, argv->v_size,
98 copy_to_user(base + argv->v_size * i, buf,
99 argv->v_size * nr)) {
109 argv->v_nmembs = total;
516 struct nilfs_argv argv;
519 if (copy_from_user(&argv, argp, sizeof(argv)))
522 if (argv.v_size != sizeof(struct nilfs_bdesc))
525 ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd),
530 if (copy_to_user(argp, &argv, sizeof(argv)))
601 * @argv: vector of arguments from userspace
612 struct nilfs_argv *argv, void *buf)
614 size_t nmembs = argv->v_nmembs;
679 * @argv: vector of arguments from userspace
696 struct nilfs_argv *argv, void *buf)
698 size_t nmembs = argv->v_nmembs;
715 * @argv: vector of arguments from userspace
719 * the virtual block numbers specified by @buf and @argv->v_nmembs.
731 struct nilfs_argv *argv, void *buf)
733 size_t nmembs = argv->v_nmembs;
744 * @argv: vector of arguments from userspace
760 struct nilfs_argv *argv, void *buf)
762 size_t nmembs = argv->v_nmembs;
806 struct nilfs_argv *argv, void **kbufs)
811 ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], kbufs[1]);
820 ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], kbufs[2]);
829 ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], kbufs[3]);
861 struct nilfs_argv argv[5];
883 if (copy_from_user(argv, argp, sizeof(argv)))
887 nsegs = argv[4].v_nmembs;
888 if (argv[4].v_size != argsz[4])
894 * argv[4] points to segment numbers this ioctl cleans. We
898 kbufs[4] = memdup_user((void __user *)(unsigned long)argv[4].v_base,
908 if (argv[n].v_size != argsz[n])
911 if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
914 if (argv[n].v_nmembs >= UINT_MAX / argv[n].v_size)
917 len = argv[n].v_size * argv[n].v_nmembs;
918 base = (void __user *)(unsigned long)argv[n].v_base;
947 ret = nilfs_ioctl_move_blocks(inode->i_sb, &argv[0], kbufs[0]);
955 ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
1179 struct nilfs_argv argv;
1182 if (copy_from_user(&argv, argp, sizeof(argv)))
1185 if (argv.v_size < membsz)
1188 ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), dofunc);
1192 if (copy_to_user(argp, &argv, sizeof(argv)))
1226 struct nilfs_argv argv;
1240 if (copy_from_user(&argv, argp, sizeof(argv)))
1244 if (argv.v_size < sizeof(struct nilfs_suinfo_update))
1247 if (argv.v_nmembs > nilfs->ns_nsegments)
1250 if (argv.v_nmembs >= UINT_MAX / argv.v_size)
1253 len = argv.v_size * argv.v_nmembs;
1259 base = (void __user *)(unsigned long)argv.v_base;
1272 ret = nilfs_sufile_set_suinfo(nilfs->ns_sufile, kbuf, argv.v_size,
1273 argv.v_nmembs);