blob: 39c9667191c5db5b3c930e538d81799b96bea6fb [file] [log] [blame]
#include "reiserfs.h"
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include "xattr.h"
#include <linux/uaccess.h>
static int
user_get(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, void *buffer, size_t size)
{
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(dentry->d_sb))
return -EOPNOTSUPP;
return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
}
static int
user_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
if (strlen(name) < sizeof(XATTR_USER_PREFIX))
return -EINVAL;
if (!reiserfs_xattrs_user(dentry->d_sb))
return -EOPNOTSUPP;
return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
}
static size_t user_list(const struct xattr_handler *handler,
struct dentry *dentry, char *list, size_t list_size,
const char *name, size_t name_len)
{
const size_t len = name_len + 1;
if (!reiserfs_xattrs_user(dentry->d_sb))
return 0;
if (list && len <= list_size) {
memcpy(list, name, name_len);
list[name_len] = '\0';
}
return len;
}
const struct xattr_handler reiserfs_xattr_user_handler = {
.prefix = XATTR_USER_PREFIX,
.get = user_get,
.set = user_set,
.list = user_list,
};