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util-linux/util-linux-2.12q-mount--move.diff

30 lines
877 B
Diff

--- mount/mount.c
+++ mount/mount.c
@@ -665,6 +665,25 @@
else {
mntFILE *mfp;
+ /* when moving a mount point, we have to make sure the mtab
+ * gets updated properly. We get info about the old mount
+ * point, copy it to the new mount point, and then delete
+ * the old mount point. */
+ if (flags & MS_MOVE) {
+ const char *olddir = mnt.mnt_fsname;
+ struct mntentchn *oldmc = oldmc = getmntfile(olddir);
+ if (oldmc != NULL) {
+ mnt.mnt_fsname = strdup(oldmc->m.mnt_fsname);
+ mnt.mnt_type = oldmc->m.mnt_type;
+ mnt.mnt_opts = oldmc->m.mnt_opts;
+ mnt.mnt_freq = oldmc->m.mnt_freq;
+ mnt.mnt_passno = oldmc->m.mnt_passno;
+ }
+ update_mtab(olddir, NULL);
+ if (oldmc != NULL)
+ my_free(olddir);
+ }
+
lock_mtab();
mfp = my_setmntent(MOUNTED, "a+");
if (mfp == NULL || mfp->mntent_fp == NULL) {