The vfsmount will be passed down to the LSM hook so that LSMs can compute
pathnames.

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: John Johansen <jjohansen@suse.de>

---
 fs/nfsd/vfs.c         |    7 ++++---
 fs/xattr.c            |   12 ++++++------
 include/linux/xattr.h |    2 +-
 3 files changed, 11 insertions(+), 10 deletions(-)

--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1957,6 +1957,7 @@ nfsd_get_posix_acl(struct svc_fh *fhp, i
 int
 nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl)
 {
+	struct vfsmount *mnt;
 	struct inode *inode = fhp->fh_dentry->d_inode;
 	char *name;
 	void *value = NULL;
@@ -1989,14 +1990,14 @@ nfsd_set_posix_acl(struct svc_fh *fhp, i
 	} else
 		size = 0;
 
+	mnt = fhp->fh_export->ex_mnt;
 	if (size)
-		error = vfs_setxattr(fhp->fh_dentry, fhp->fh_export->ex_mnt,
-				     name, value, size,0);
+		error = vfs_setxattr(fhp->fh_dentry, mnt, name, value, size,0);
 	else {
 		if (!S_ISDIR(inode->i_mode) && type == ACL_TYPE_DEFAULT)
 			error = 0;
 		else {
-			error = vfs_removexattr(fhp->fh_dentry, name);
+			error = vfs_removexattr(fhp->fh_dentry, mnt, name);
 			if (error == -ENODATA)
 				error = 0;
 		}
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -165,7 +165,7 @@ vfs_listxattr(struct dentry *dentry, str
 EXPORT_SYMBOL_GPL(vfs_listxattr);
 
 int
-vfs_removexattr(struct dentry *dentry, char *name)
+vfs_removexattr(struct dentry *dentry, struct vfsmount *mnt, char *name)
 {
 	struct inode *inode = dentry->d_inode;
 	int error;
@@ -438,7 +438,7 @@ sys_flistxattr(int fd, char __user *list
  * Extended attribute REMOVE operations
  */
 static long
-removexattr(struct dentry *d, char __user *name)
+removexattr(struct dentry *dentry, struct vfsmount *mnt, char __user *name)
 {
 	int error;
 	char kname[XATTR_NAME_MAX + 1];
@@ -449,7 +449,7 @@ removexattr(struct dentry *d, char __use
 	if (error < 0)
 		return error;
 
-	return vfs_removexattr(d, kname);
+	return vfs_removexattr(dentry, mnt, kname);
 }
 
 asmlinkage long
@@ -461,7 +461,7 @@ sys_removexattr(char __user *path, char 
 	error = user_path_walk(path, &nd);
 	if (error)
 		return error;
-	error = removexattr(nd.dentry, name);
+	error = removexattr(nd.dentry, nd.mnt, name);
 	path_release(&nd);
 	return error;
 }
@@ -475,7 +475,7 @@ sys_lremovexattr(char __user *path, char
 	error = user_path_walk_link(path, &nd);
 	if (error)
 		return error;
-	error = removexattr(nd.dentry, name);
+	error = removexattr(nd.dentry, nd.mnt, name);
 	path_release(&nd);
 	return error;
 }
@@ -492,7 +492,7 @@ sys_fremovexattr(int fd, char __user *na
 		return error;
 	dentry = f->f_path.dentry;
 	audit_inode(NULL, dentry->d_inode);
-	error = removexattr(dentry, name);
+	error = removexattr(dentry, f->f_path.mnt, name);
 	fput(f);
 	return error;
 }
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -52,7 +52,7 @@ ssize_t vfs_listxattr(struct dentry *d, 
 		      size_t size);
 int vfs_setxattr(struct dentry *, struct vfsmount *, char *, void *, size_t,
 		 int);
-int vfs_removexattr(struct dentry *, char *);
+int vfs_removexattr(struct dentry *, struct vfsmount *, char *);
 
 ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size);
 ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size);

-- 
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