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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-01 09:05:54 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-08-01 11:25:32 -0400
commit8d66bf5481002b0960aa49aed0987c73f5d7816c (patch)
tree7beac720e1df882a1cd4d6d09e6ac25ddd04b399
parentd5686b444ff3f72808d2b3fbd58672a86cdf38e7 (diff)
[PATCH] pass struct path * to do_add_mount()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/afs/mntpt.c2
-rw-r--r--fs/cifs/cifs_dfs_ref.c2
-rw-r--r--fs/namespace.c16
-rw-r--r--fs/nfs/namespace.c2
-rw-r--r--include/linux/mount.h3
5 files changed, 13 insertions, 12 deletions
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 2f5503902c3..78db4953a80 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -232,7 +232,7 @@ static void *afs_mntpt_follow_link(struct dentry *dentry, struct nameidata *nd)
}
mntget(newmnt);
- err = do_add_mount(newmnt, nd, MNT_SHRINKABLE, &afs_vfsmounts);
+ err = do_add_mount(newmnt, &nd->path, MNT_SHRINKABLE, &afs_vfsmounts);
switch (err) {
case 0:
path_put(&nd->path);
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index d82374c9e32..d2c8eef84f3 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -226,7 +226,7 @@ static int add_mount_helper(struct vfsmount *newmnt, struct nameidata *nd,
int err;
mntget(newmnt);
- err = do_add_mount(newmnt, nd, nd->path.mnt->mnt_flags, mntlist);
+ err = do_add_mount(newmnt, &nd->path, nd->path.mnt->mnt_flags, mntlist);
switch (err) {
case 0:
path_put(&nd->path);
diff --git a/fs/namespace.c b/fs/namespace.c
index 411728c0c8b..6e283c93b50 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1667,31 +1667,31 @@ static noinline int do_new_mount(struct nameidata *nd, char *type, int flags,
if (IS_ERR(mnt))
return PTR_ERR(mnt);
- return do_add_mount(mnt, nd, mnt_flags, NULL);
+ return do_add_mount(mnt, &nd->path, mnt_flags, NULL);
}
/*
* add a mount into a namespace's mount tree
* - provide the option of adding the new mount to an expiration list
*/
-int do_add_mount(struct vfsmount *newmnt, struct nameidata *nd,
+int do_add_mount(struct vfsmount *newmnt, struct path *path,
int mnt_flags, struct list_head *fslist)
{
int err;
down_write(&namespace_sem);
/* Something was mounted here while we slept */
- while (d_mountpoint(nd->path.dentry) &&
- follow_down(&nd->path.mnt, &nd->path.dentry))
+ while (d_mountpoint(path->dentry) &&
+ follow_down(&path->mnt, &path->dentry))
;
err = -EINVAL;
- if (!check_mnt(nd->path.mnt))
+ if (!check_mnt(path->mnt))
goto unlock;
/* Refuse the same filesystem on the same mount point */
err = -EBUSY;
- if (nd->path.mnt->mnt_sb == newmnt->mnt_sb &&
- nd->path.mnt->mnt_root == nd->path.dentry)
+ if (path->mnt->mnt_sb == newmnt->mnt_sb &&
+ path->mnt->mnt_root == path->dentry)
goto unlock;
err = -EINVAL;
@@ -1699,7 +1699,7 @@ int do_add_mount(struct vfsmount *newmnt, struct nameidata *nd,
goto unlock;
newmnt->mnt_flags = mnt_flags;
- if ((err = graft_tree(newmnt, &nd->path)))
+ if ((err = graft_tree(newmnt, path)))
goto unlock;
if (fslist) /* add to the specified expiration list */
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 2f285ef7639..66df08dd1ca 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -129,7 +129,7 @@ static void * nfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
goto out_err;
mntget(mnt);
- err = do_add_mount(mnt, nd, nd->path.mnt->mnt_flags|MNT_SHRINKABLE,
+ err = do_add_mount(mnt, &nd->path, nd->path.mnt->mnt_flags|MNT_SHRINKABLE,
&nfs_automount_list);
if (err < 0) {
mntput(mnt);
diff --git a/include/linux/mount.h b/include/linux/mount.h
index b5efaa2132a..30a1d63b6fb 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -105,7 +105,8 @@ extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
struct nameidata;
-extern int do_add_mount(struct vfsmount *newmnt, struct nameidata *nd,
+struct path;
+extern int do_add_mount(struct vfsmount *newmnt, struct path *path,
int mnt_flags, struct list_head *fslist);
extern void mark_mounts_for_expiry(struct list_head *mounts);