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switch follow_up() to struct path

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-04-18 03:26:48 -04:00
parent e64c390ca0
commit bab77ebf51
4 changed files with 11 additions and 11 deletions
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2
fs/autofs4/dev-ioctl.c
View file

@ -212,7 +212,7 @@ static int find_autofs_mount(const char *pathname,
err = 0;
}
}
if (!follow_up(&path.mnt, &path.dentry))
if (!follow_up(&path))
break;
}
path_put(&path);

16
fs/namei.c
View file

@ -675,23 +675,23 @@ static inline int do_follow_link(struct path *path, struct nameidata *nd)
return err;
}
int follow_up(struct vfsmount **mnt, struct dentry **dentry)
int follow_up(struct path *path)
{
struct vfsmount *parent;
struct dentry *mountpoint;
spin_lock(&vfsmount_lock);
parent=(*mnt)->mnt_parent;
if (parent == *mnt) {
parent = path->mnt->mnt_parent;
if (parent == path->mnt) {
spin_unlock(&vfsmount_lock);
return 0;
}
mntget(parent);
mountpoint=dget((*mnt)->mnt_mountpoint);
mountpoint = dget(path->mnt->mnt_mountpoint);
spin_unlock(&vfsmount_lock);
dput(*dentry);
*dentry = mountpoint;
mntput(*mnt);
*mnt = parent;
dput(path->dentry);
path->dentry = mountpoint;
mntput(path->mnt);
path->mnt = parent;
return 1;
}

2
fs/nfsd/vfs.c
View file

@ -173,7 +173,7 @@ nfsd_lookup_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp,
.dentry = dget(dparent)};
while (path.dentry == path.mnt->mnt_root &&
follow_up(&path.mnt, &path.dentry))
follow_up(&path))
;
dp = dget_parent(path.dentry);
dput(path.dentry);

2
include/linux/namei.h
View file

@ -79,7 +79,7 @@ extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
extern struct dentry *lookup_one_noperm(const char *, struct dentry *);
extern int follow_down(struct vfsmount **, struct dentry **);
extern int follow_up(struct vfsmount **, struct dentry **);
extern int follow_up(struct path *);
extern struct dentry *lock_rename(struct dentry *, struct dentry *);
extern void unlock_rename(struct dentry *, struct dentry *);