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vfs: spread struct mount - __lookup_mnt() result

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switch __lookup_mnt() to returning struct mount *; callers adjusted.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-11-24 18:22:03 -05:00
parent 7d6fec45a5
commit c71053659e
5 changed files with 31 additions and 22 deletions
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13
fs/namei.c
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@ -36,6 +36,7 @@
#include <asm/uaccess.h>
#include "internal.h"
#include "mount.h"
/* [Feb-1997 T. Schoebel-Theuer]
* Fundamental changes in the pathname lookup mechanisms (namei)
@ -884,7 +885,7 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,
struct inode **inode)
{
for (;;) {
struct vfsmount *mounted;
struct mount *mounted;
/*
* Don't forget we might have a non-mountpoint managed dentry
* that wants to block transit.
@ -898,8 +899,8 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,
mounted = __lookup_mnt(path->mnt, path->dentry, 1);
if (!mounted)
break;
path->mnt = mounted;
path->dentry = mounted->mnt_root;
path->mnt = &mounted->mnt;
path->dentry = mounted->mnt.mnt_root;
nd->flags |= LOOKUP_JUMPED;
nd->seq = read_seqcount_begin(&path->dentry->d_seq);
/*
@ -915,12 +916,12 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,
static void follow_mount_rcu(struct nameidata *nd)
{
while (d_mountpoint(nd->path.dentry)) {
struct vfsmount *mounted;
struct mount *mounted;
mounted = __lookup_mnt(nd->path.mnt, nd->path.dentry, 1);
if (!mounted)
break;
nd->path.mnt = mounted;
nd->path.dentry = mounted->mnt_root;
nd->path.mnt = &mounted->mnt;
nd->path.dentry = mounted->mnt.mnt_root;
nd->seq = read_seqcount_begin(&nd->path.dentry->d_seq);
}
}