31 lines
507 B
C
31 lines
507 B
C
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/* fsfreeze.c - freeze or thaw filesystem
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*
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* No standard.
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USE_FSFREEZE(NEWTOY(fsfreeze, "<1>1f|u|[!fu]", TOYFLAG_USR|TOYFLAG_SBIN))
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config FSFREEZE
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bool "fsfreeze"
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default y
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help
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usage: fsfreeze {-f | -u} MOUNTPOINT
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Freeze or unfreeze a filesystem.
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-f Freeze
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-u Unfreeze
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*/
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#define FOR_fsfreeze
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#include "toys.h"
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#include <linux/fs.h>
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void fsfreeze_main(void)
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{
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int fd = xopenro(*toys.optargs);
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long p = 1;
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xioctl(fd, FLAG(f) ? FIFREEZE : FITHAW, &p);
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xclose(fd);
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}
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