LXR linux/fs/reiserfs/xattr

   1#include "reiserfs.h"
   2#include <linux/errno.h>
   3#include <linux/fs.h>
   4#include <linux/pagemap.h>
   5#include <linux/xattr.h>
   6#include "xattr.h"
   7#include <linux/uaccess.h>
   8
   9static int
  10user_get(const struct xattr_handler *handler, struct dentry *unused,
  11         struct inode *inode, const char *name, void *buffer, size_t size)
  12{
  13        if (!reiserfs_xattrs_user(inode->i_sb))
  14                return -EOPNOTSUPP;
  15        return reiserfs_xattr_get(inode, xattr_full_name(handler, name),
  16                                  buffer, size);
  17}
  18
  19static int
  20user_set(const struct xattr_handler *handler, struct dentry *unused,
  21         struct inode *inode, const char *name, const void *buffer,
  22         size_t size, int flags)
  23{
  24        if (!reiserfs_xattrs_user(inode->i_sb))
  25                return -EOPNOTSUPP;
  26        return reiserfs_xattr_set(inode,
  27                                  xattr_full_name(handler, name),
  28                                  buffer, size, flags);
  29}
  30
  31static bool user_list(struct dentry *dentry)
  32{
  33        return reiserfs_xattrs_user(dentry->d_sb);
  34}
  35
  36const struct xattr_handler reiserfs_xattr_user_handler = {
  37        .prefix = XATTR_USER_PREFIX,
  38        .get = user_get,
  39        .set = user_set,
  40        .list = user_list,
  41};
  42