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| author | Karel Zak <kzak@redhat.com> | 2014-10-17 08:52:00 +0200 |
|---|---|---|
| committer | Karel Zak <kzak@redhat.com> | 2014-10-24 11:10:06 +0200 |
| commit | 524e7bffc16b1fea6a10c8837cbf79b416bfbf13 (patch) | |
| tree | cfe7ecbe860afe172b810f95af2e26c61036a762 | |
| parent | fda297dd226610a60b85a40392b78dedcf255341 (diff) | |
| download | util-linux-524e7bffc16b1fea6a10c8837cbf79b416bfbf13.tar.gz | |
mount: don't ignore mtab for --bind -o remount
Reported-by: Phillip Susi <psusi@ubuntu.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
| -rw-r--r-- | sys-utils/mount.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sys-utils/mount.c b/sys-utils/mount.c index 74a1a84f2..1d9e506e5 100644 --- a/sys-utils/mount.c +++ b/sys-utils/mount.c @@ -694,6 +694,16 @@ static void append_option(struct libmnt_context *cxt, const char *opt) err(MOUNT_EX_SYSERR, _("failed to append option '%s'"), opt); } +static int has_remount_flag(struct libmnt_context *cxt) +{ + unsigned long mflags = 0; + + if (mnt_context_get_mflags(cxt, &mflags)) + return 0; + + return mflags & MS_REMOUNT; +} + static void __attribute__((__noreturn__)) usage(FILE *out) { fputs(USAGE_HEADER, out); @@ -1087,8 +1097,8 @@ int main(int argc, char **argv) /* BIND/MOVE operations, let's set the mount flags */ mnt_context_set_mflags(cxt, oper); - if (oper || propa) - /* For --make-* or --bind is fstab unnecessary */ + if ((oper && !has_remount_flag(cxt)) || propa) + /* For --make-* or --bind is fstab/mtab unnecessary */ mnt_context_set_optsmode(cxt, MNT_OMODE_NOTAB); rc = mnt_context_mount(cxt); |