* MNT_VISIBLE is gone. We simply do not insert vfsmounts we don't
want to see into the vfsmntlist. The only place where it is used is
get_filesystem_info(), so it's obviously correct.
Please, apply.
PS: I've done a different locking scheme for superblocks, so right
now I'm testing it on a complete patch. I.e. that part is postponed until
it gets some testing. So the next several pieces will be just a bunch
of trivial cleanups.
diff -urN S5-pre6/fs/super.c S5-pre6-MNT_VISIBLE/fs/super.c
--- S5-pre6/fs/super.c Thu May 24 22:15:03 2001
+++ S5-pre6-MNT_VISIBLE/fs/super.c Thu May 24 23:57:23 2001
@@ -314,13 +314,6 @@
* Potential reason for failure (aside of trivial lack of memory) is a
* deleted mountpoint. Caller must hold ->i_zombie on mountpoint
* dentry (if any).
- *
- * Node is marked as MNT_VISIBLE (visible in /proc/mounts) unless both
- * @nd and @devname are %NULL. It works since we pass non-%NULL @devname
- * when we are mounting root and kern_mount() filesystems are deviceless.
- * If we will get a kern_mount() filesystem with nontrivial @devname we
- * will have to pass the visibility flag explicitly, so if we will add
- * support for such beasts we'll have to change prototype.
*/
static struct vfsmount *add_vfsmnt(struct nameidata *nd,
@@ -336,9 +329,6 @@
goto out;
memset(mnt, 0, sizeof(struct vfsmount));
- if (nd || dev_name)
- mnt->mnt_flags = MNT_VISIBLE;
-
/* It may be NULL, but who cares? */
if (dev_name) {
name = kmalloc(strlen(dev_name)+1, GFP_KERNEL);
@@ -366,7 +356,8 @@
}
INIT_LIST_HEAD(&mnt->mnt_mounts);
list_add(&mnt->mnt_instances, &sb->s_mounts);
- list_add(&mnt->mnt_list, vfsmntlist.prev);
+ if (nd || dev_name)
+ list_add(&mnt->mnt_list, vfsmntlist.prev);
spin_unlock(&dcache_lock);
out:
return mnt;
@@ -500,8 +491,6 @@
for (p = vfsmntlist.next; p != &vfsmntlist; p = p->next) {
struct vfsmount *tmp = list_entry(p, struct vfsmount, mnt_list);
- if (!(tmp->mnt_flags & MNT_VISIBLE))
- continue;
path = d_path(tmp->mnt_root, tmp, buffer, PAGE_SIZE);
if (!path)
continue;
diff -urN S5-pre6/include/linux/mount.h S5-pre6-MNT_VISIBLE/include/linux/mount.h
--- S5-pre6/include/linux/mount.h Thu May 24 22:15:06 2001
+++ S5-pre6-MNT_VISIBLE/include/linux/mount.h Thu May 24 23:58:00 2001
@@ -12,8 +12,6 @@
#define _LINUX_MOUNT_H
#ifdef __KERNEL__
-#define MNT_VISIBLE 1
-
struct vfsmount
{
struct dentry *mnt_mountpoint; /* dentry of mountpoint */
-
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