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-rw-r--r--util-linux/mount.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 4ac52cd02..5e6c3ba72 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -309,6 +309,27 @@ static int mount_it_now(struct mntent *mp, int vfsflags, char *filteropts)
for (;;) {
rc = mount(mp->mnt_fsname, mp->mnt_dir, mp->mnt_type,
vfsflags, filteropts);
+
+ // If mount failed, try
+ // helper program <mnt_type>
+ if (ENABLE_FEATURE_MOUNT_HELPERS && rc) {
+ char *args[6];
+ int errno_save = errno;
+ args[0] = mp->mnt_type;
+ rc = 1;
+ if (filteropts) {
+ args[rc++] = (char *)"-o";
+ args[rc++] = filteropts;
+ }
+ args[rc++] = mp->mnt_fsname;
+ args[rc++] = mp->mnt_dir;
+ args[rc] = NULL;
+ rc = wait4pid(spawn(args));
+ if (!rc)
+ break;
+ errno = errno_save;
+ }
+
if (!rc || (vfsflags & MS_RDONLY) || (errno != EACCES && errno != EROFS))
break;
if (!(vfsflags & MS_SILENT))