diff options
Diffstat (limited to 'btrfsctl.c')
| -rw-r--r-- | btrfsctl.c | 17 |
1 files changed, 16 insertions, 1 deletions
@@ -15,6 +15,7 @@ #ifdef __CHECKER__ #define BLKGETSIZE64 0 #define BTRFS_IOC_SNAP_CREATE 0 +#define BTRFS_IOC_ADD_DISK 0 #define BTRFS_VOL_NAME_MAX 255 struct btrfs_ioctl_vol_args { char name[BTRFS_VOL_NAME_MAX]; }; static inline int ioctl(int fd, int define, void *arg) { return 0; } @@ -36,6 +37,7 @@ int main(int ac, char **av) int i; struct stat st; DIR *dirstream; + unsigned long command; for (i = 1; i < ac - 1; i++) { if (strcmp(av[i], "-s") == 0) { @@ -48,6 +50,19 @@ int main(int ac, char **av) fprintf(stderr, "snapshot name is too long\n"); exit(1); } + command = BTRFS_IOC_SNAP_CREATE; + } + if (strcmp(av[i], "-a") == 0) { + if (i + 1 >= ac - 1) { + fprintf(stderr, "-a requires an arg"); + print_usage(); + } + name = av[i + 1]; + if (strlen(name) >= BTRFS_VOL_NAME_MAX) { + fprintf(stderr, "device name is too long\n"); + exit(1); + } + command = BTRFS_IOC_ADD_DISK; } } fname = av[ac - 1]; @@ -71,7 +86,7 @@ printf("fname is %s\n", fname); exit(1); } strcpy(args.name, name); - ret = ioctl(fd, BTRFS_IOC_SNAP_CREATE, &args); + ret = ioctl(fd, command, &args); printf("ioctl returns %d\n", ret); return 0; } |