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/*
* Copyright 2000-2004 by Hans Reiser, licensing governed by
* reiserfsprogs/README
*/
#include "resize.h"
/* the front-end for kernel on-line resizer */
int resize_fs_online(char *devname, long long int blocks)
{
struct mntent *mnt;
char buf[40];
/* Find the mount entry. */
if ((mnt = misc_mntent(devname)) == NULL)
die("resize_reiserfs: can't find mount entry\n");
sprintf(buf, "resize=%lld", blocks);
if (mount(mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type,
(unsigned long)(MS_MGC_VAL << 16 | MS_REMOUNT), buf)) {
die("resize_reiserfs: remount failed: %s\n", strerror(errno));
}
return 0;
}
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