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 *dentry,
  21          const char *name, const void *buffer, size_t size, int flags)
  22 {
  23         if (!reiserfs_xattrs_user(dentry->d_sb))
  24                 return -EOPNOTSUPP;
  25         return reiserfs_xattr_set(d_inode(dentry),
  26                                   xattr_full_name(handler, name),
  27                                   buffer, size, flags);
  28 }
  29
  30 static bool user_list(struct dentry *dentry)
  31 {
  32         return reiserfs_xattrs_user(dentry->d_sb);
  33 }
  34
  35 const struct xattr_handler reiserfs_xattr_user_handler = {
  36         .prefix = XATTR_USER_PREFIX,
  37         .get = user_get,
  38         .set = user_set,
  39         .list = user_list,
  40 };