[RFC 25/28] Add a struct vfsmount parameter to vfs_listxattr()

From: Tony Jones
Date: Mon Feb 05 2007 - 13:28:11 EST


Add a struct vfsmount parameter to vfs_listxattr()

Signed-off-by: Tony Jones <tonyj@xxxxxxx>
Signed-off-by: Andreas Gruenbacher <agruen@xxxxxxx>

Index: linux-2.6/fs/xattr.c
===================================================================
--- linux-2.6.orig/fs/xattr.c
+++ linux-2.6/fs/xattr.c
@@ -144,18 +144,20 @@ vfs_getxattr(struct dentry *dentry, stru
EXPORT_SYMBOL_GPL(vfs_getxattr);

ssize_t
-vfs_listxattr(struct dentry *d, char *list, size_t size)
+vfs_listxattr(struct dentry *dentry, struct vfsmount *mnt, char *list,
+ size_t size)
{
+ struct inode *inode = dentry->d_inode;
ssize_t error;

- error = security_inode_listxattr(d);
+ error = security_inode_listxattr(dentry);
if (error)
return error;
error = -EOPNOTSUPP;
- if (d->d_inode->i_op && d->d_inode->i_op->listxattr) {
- error = d->d_inode->i_op->listxattr(d, list, size);
- } else {
- error = security_inode_listsecurity(d->d_inode, list, size);
+ if (inode->i_op && inode->i_op->listxattr)
+ error = inode->i_op->listxattr(dentry, list, size);
+ else {
+ error = security_inode_listsecurity(inode, list, size);
if (size && error > size)
error = -ERANGE;
}
@@ -362,7 +364,8 @@ sys_fgetxattr(int fd, char __user *name,
* Extended attribute LIST operations
*/
static ssize_t
-listxattr(struct dentry *d, char __user *list, size_t size)
+listxattr(struct dentry *dentry, struct vfsmount *mnt, char __user *list,
+ size_t size)
{
ssize_t error;
char *klist = NULL;
@@ -375,7 +378,7 @@ listxattr(struct dentry *d, char __user
return -ENOMEM;
}

- error = vfs_listxattr(d, klist, size);
+ error = vfs_listxattr(dentry, mnt, klist, size);
if (error > 0) {
if (size && copy_to_user(list, klist, error))
error = -EFAULT;
@@ -397,7 +400,7 @@ sys_listxattr(char __user *path, char __
error = user_path_walk(path, &nd);
if (error)
return error;
- error = listxattr(nd.dentry, list, size);
+ error = listxattr(nd.dentry, nd.mnt, list, size);
path_release(&nd);
return error;
}
@@ -411,7 +414,7 @@ sys_llistxattr(char __user *path, char _
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = listxattr(nd.dentry, list, size);
+ error = listxattr(nd.dentry, nd.mnt, list, size);
path_release(&nd);
return error;
}
@@ -425,7 +428,7 @@ sys_flistxattr(int fd, char __user *list
f = fget(fd);
if (!f)
return error;
- error = listxattr(f->f_path.dentry, list, size);
+ error = listxattr(f->f_path.dentry, f->f_path.mnt, list, size);
fput(f);
return error;
}
Index: linux-2.6/include/linux/xattr.h
===================================================================
--- linux-2.6.orig/include/linux/xattr.h
+++ linux-2.6/include/linux/xattr.h
@@ -42,7 +42,8 @@ struct xattr_handler {

ssize_t vfs_getxattr(struct dentry *, struct vfsmount *, char *, void *,
size_t);
-ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
+ssize_t vfs_listxattr(struct dentry *d, struct vfsmount *, char *list,
+ size_t size);
int vfs_setxattr(struct dentry *, struct vfsmount *, char *, void *, size_t,
int);
int vfs_removexattr(struct dentry *, char *);
-
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