fs/hfsplus/xattr_user.c

   1 /*
   2  * linux/fs/hfsplus/xattr_user.c
   3  *
   4  * Vyacheslav Dubeyko <slava@dubeyko.com>
   5  *
   6  * Handler for user extended attributes.
   7  */
   8
   9 #include <linux/nls.h>
  10
  11 #include "hfsplus_fs.h"
  12 #include "xattr.h"
  13
  14 static int hfsplus_user_getxattr(struct dentry *dentry, const char *name,
  15                                         void *buffer, size_t size, int type)
  16 {
  17
  18         return hfsplus_getxattr(dentry, name, buffer, size,
  19                                 XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
  20 }
  21
  22 static int hfsplus_user_setxattr(struct dentry *dentry, const char *name,
  23                 const void *buffer, size_t size, int flags, int type)
  24 {
  25         return hfsplus_setxattr(dentry, name, buffer, size, flags,
  26                                 XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
  27 }
  28
  29 static size_t hfsplus_user_listxattr(struct dentry *dentry, char *list,
  30                 size_t list_size, const char *name, size_t name_len, int type)
  31 {
  32         /*
  33          * This method is not used.
  34          * It is used hfsplus_listxattr() instead of generic_listxattr().
  35          */
  36         return -EOPNOTSUPP;
  37 }
  38
  39 const struct xattr_handler hfsplus_xattr_user_handler = {
  40         .prefix = XATTR_USER_PREFIX,
  41         .list   = hfsplus_user_listxattr,
  42         .get    = hfsplus_user_getxattr,
  43         .set    = hfsplus_user_setxattr,
  44 };