Mercurial > hg > toybox
changeset 1237:867f9c964f3e draft
New toy fsfreeze, from Isaac Dunham, plus minor cleanups.
author | Rob Landley <rob@landley.net> |
---|---|
date | Tue, 01 Apr 2014 18:20:00 -0500 |
parents | 1f4a56212c83 |
children | 1aa9b7f39e4a |
files | toys/other/fsfreeze.c |
diffstat | 1 files changed, 30 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toys/other/fsfreeze.c Tue Apr 01 18:20:00 2014 -0500 @@ -0,0 +1,30 @@ +/* fsfreeze.c - freeze or thaw filesystem + * + * No standard. + +USE_FSFREEZE(NEWTOY(fsfreeze, "<1>1f|u|[!fu]", TOYFLAG_USR|TOYFLAG_SBIN)) + +config FSFREEZE + bool "fsfreeze" + default y + help + usage: fsfreeze {-f | -u} MOUNTPOINT + + Freeze or unfreeze a filesystem. + + -f freeze + -u unfreeze +*/ + +#define FOR_fsfreeze +#include "toys.h" +#include <linux/fs.h> + +void fsfreeze_main(void) +{ + int fd = xopen(*toys.optargs, O_RDONLY); + long p = 1; + + xioctl(fd, (toys.optflags & FLAG_f) ? FIFREEZE : FITHAW, &p); + xclose(fd); +}