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 *dentry,
  11         const char *name, void *buffer, size_t size)
  12{
  13
  14        if (strlen(name) < sizeof(XATTR_USER_PREFIX))
  15                return -EINVAL;
  16        if (!reiserfs_xattrs_user(dentry->d_sb))
  17                return -EOPNOTSUPP;
  18        return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
  19}
  20
  21static int
  22user_set(const struct xattr_handler *handler, struct dentry *dentry,
  23         const char *name, const void *buffer, size_t size, int flags)
  24{
  25        if (strlen(name) < sizeof(XATTR_USER_PREFIX))
  26                return -EINVAL;
  27
  28        if (!reiserfs_xattrs_user(dentry->d_sb))
  29                return -EOPNOTSUPP;
  30        return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
  31}
  32
  33static bool user_list(struct dentry *dentry)
  34{
  35        return reiserfs_xattrs_user(dentry->d_sb);
  36}
  37
  38const struct xattr_handler reiserfs_xattr_user_handler = {
  39        .prefix = XATTR_USER_PREFIX,
  40        .get = user_get,
  41        .set = user_set,
  42        .list = user_list,
  43};
  44