From: Karel Zak <kzak@redhat.com>
Date: Tue, 6 Nov 2007 00:05:27 +0000 (+0100)
Subject: mount: remove MS_{REPLACE,AFTER,BEFORE,OVER}
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e71f7ad58d4d33814991b07f95905f738e0923e;p=util-linux

mount: remove MS_{REPLACE,AFTER,BEFORE,OVER}

mount(8) and linux kernel don't support these mount flags. It's legacy
from an unimplemented stuff.

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/mount/mount.c b/mount/mount.c
index 9d43e5ff..154f0da5 100644
--- a/mount/mount.c
+++ b/mount/mount.c
@@ -77,8 +77,8 @@ static int optfork = 0;
 /* Add volumelabel in a listing of mounted devices (-l). */
 static int list_with_volumelabel = 0;
 
-/* Nonzero for mount {--bind|--replace|--before|--after|--over|--move|
- *		       make-shared|make-private|make-unbindable|make-slave}
+/* Nonzero for mount {bind|move|make-shared|make-private|
+ *				make-unbindable|make-slave}
  */
 static int mounttype = 0;
 
@@ -1672,10 +1672,6 @@ static struct option longopts[] = {
 	{ "pass-fd", 1, 0, 'p' },
 	{ "types", 1, 0, 't' },
 	{ "bind", 0, 0, 128 },
-	{ "replace", 0, 0, 129 },
-	{ "after", 0, 0, 130 },
-	{ "before", 0, 0, 131 },
-	{ "over", 0, 0, 132 },
 	{ "move", 0, 0, 133 },
 	{ "guess-fstype", 1, 0, 134 },
 	{ "rbind", 0, 0, 135 },
@@ -1729,10 +1725,7 @@ usage (FILE *fp, int n) {
 	  "Other options: [-nfFrsvw] [-o options] [-p passwdfd].\n"
 	  "For many more details, say  man 8 mount .\n"
 	));
-/*
-	  "Union or stack mounts are specified using one of\n"
-	  "       --replace, --after, --before, --over\n"
-*/
+
 	unlock_mtab();
 	exit (n);
 }
@@ -1918,18 +1911,6 @@ main(int argc, char *argv[]) {
 		case 128: /* bind */
 			mounttype = MS_BIND;
 			break;
-		case 129: /* replace */
-			mounttype = MS_REPLACE;
-			break;
-		case 130: /* after */
-			mounttype = MS_AFTER;
-			break;
-		case 131: /* before */
-			mounttype = MS_BEFORE;
-			break;
-		case 132: /* over */
-			mounttype = MS_OVER;
-			break;
 		case 133: /* move */
 			mounttype = MS_MOVE;
 			break;
diff --git a/mount/mount_constants.h b/mount/mount_constants.h
index dc3ca274..d877f567 100644
--- a/mount/mount_constants.h
+++ b/mount/mount_constants.h
@@ -22,23 +22,6 @@
 #ifndef MS_DIRSYNC
 #define MS_DIRSYNC	128	/* Directory modifications are synchronous */
 #endif
-
-#ifndef MS_ACTION_MASK
-#define	MS_ACTION_MASK	0x380
-/* Remount, but new filesystem may be different from old. Atomic
-   (i.e. there is no interval when nothing is mounted at the mountpoint).
-   If new fs differs from the old one and old is busy - -EBUSY. */
-#define	MS_REPLACE	0x080	/* 128 */
-/* After, Before: as soon as we get unions these will add a new member
-   in the end or beginning of the chain. Fail if there is a stack
-   on the mountpoint. */
-#define	MS_AFTER	0x100	/* 256 */
-#define	MS_BEFORE	0x180
-/* Over: if nothing mounted on a mountpoint - same as if none of these
-flags had been set; if we have a union with more than one element - fail;
-if we have a stack or plain mount - mount atop of it, forming a stack. */
-#define	MS_OVER		0x200	/* 512 */
-#endif
 #ifndef MS_NOATIME
 #define MS_NOATIME	0x400	/* 1024: Do not update access times. */
 #endif