| Rob Landley | 2b0b548 | 2014-04-01 18:20:00 -0500 | [diff] [blame] | 1 | /* fsfreeze.c - freeze or thaw filesystem |
| 2 | * |
| 3 | * No standard. |
| 4 | |
| 5 | USE_FSFREEZE(NEWTOY(fsfreeze, "<1>1f|u|[!fu]", TOYFLAG_USR|TOYFLAG_SBIN)) |
| 6 | |
| 7 | config FSFREEZE |
| 8 | bool "fsfreeze" |
| 9 | default y |
| Rob Landley | 76e1cb3 | 2014-04-16 07:49:32 -0500 | [diff] [blame] | 10 | depends on TOYBOX_FIFREEZE |
| Rob Landley | 2b0b548 | 2014-04-01 18:20:00 -0500 | [diff] [blame] | 11 | help |
| 12 | usage: fsfreeze {-f | -u} MOUNTPOINT |
| 13 | |
| 14 | Freeze or unfreeze a filesystem. |
| 15 | |
| 16 | -f freeze |
| 17 | -u unfreeze |
| 18 | */ |
| 19 | |
| 20 | #define FOR_fsfreeze |
| 21 | #include "toys.h" |
| 22 | #include <linux/fs.h> |
| 23 | |
| 24 | void fsfreeze_main(void) |
| 25 | { |
| 26 | int fd = xopen(*toys.optargs, O_RDONLY); |
| 27 | long p = 1; |
| 28 | |
| 29 | xioctl(fd, (toys.optflags & FLAG_f) ? FIFREEZE : FITHAW, &p); |
| 30 | xclose(fd); |
| 31 | } |