#include <linux/reiserfs_fs.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include <linux/reiserfs_xattr.h>
#include <asm/uaccess.h>
#ifdef CONFIG_REISERFS_FS_POSIX_ACL
# include <linux/reiserfs_acl.h>
#endif
#define XATTR_USER_PREFIX "user."
static int
user_get(struct inode *inode, const char *name, void *buffer, size_t size)
{
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
return reiserfs_xattr_get(inode, name, buffer, size);
}
static int
user_set(struct inode *inode, const char *name, const void *buffer,
size_t size, int flags)
{
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
return reiserfs_xattr_set(inode, name, buffer, size, flags);
}
static int user_del(struct inode *inode, const char *name)
{
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
return 0;
}
static int
user_list(struct inode *inode, const char *name, int namelen, char *out)
{
int len = namelen;
if (!reiserfs_xattrs_user(inode->i_sb))
return 0;
if (out)
memcpy(out, name, len);
return len;
}
struct reiserfs_xattr_handler user_handler = {
.prefix = XATTR_USER_PREFIX,
.get = user_get,
.set = user_set,
.del = user_del,
.list = user_list,
};
