[deliverable/linux.git] / fs / reiserfs / xattr_user.c

#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 bool user_list(struct dentry *dentry)
{
	return reiserfs_xattrs_user(dentry->d_sb);
}

const struct xattr_handler reiserfs_xattr_user_handler = {
	.prefix = XATTR_USER_PREFIX,
	.get = user_get,
	.set = user_set,
	.list = user_list,
};
Commit	Line	Data
	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 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
	21	static int
	22	user_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
	33	static bool user_list(struct dentry *dentry)
	34	{
	35	return reiserfs_xattrs_user(dentry->d_sb);
	36	}
	37
	38	const 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	};