fs/reiserfs/xattr_user.c

   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
   9 static int
  10 user_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
  19 static int
  20 user_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
  31 static bool user_list(struct dentry *dentry)
  32 {
  33         return reiserfs_xattrs_user(dentry->d_sb);
  34 }
  35
  36 const 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 };