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path: root/fs/hfsplus/xattr_trusted.c
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/*
 * linux/fs/hfsplus/xattr_trusted.c
 *
 * Vyacheslav Dubeyko <slava@dubeyko.com>
 *
 * Handler for trusted extended attributes.
 */

#include <linux/nls.h>

#include "hfsplus_fs.h"
#include "xattr.h"

static int hfsplus_trusted_getxattr(struct dentry *dentry, const char *name,
					void *buffer, size_t size, int type)
{
	return hfsplus_getxattr(dentry, name, buffer, size,
				XATTR_TRUSTED_PREFIX,
				XATTR_TRUSTED_PREFIX_LEN);
}

static int hfsplus_trusted_setxattr(struct dentry *dentry, const char *name,
		const void *buffer, size_t size, int flags, int type)
{
	return hfsplus_setxattr(dentry, name, buffer, size, flags,
				XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN);
}

static size_t hfsplus_trusted_listxattr(struct dentry *dentry, char *list,
		size_t list_size, const char *name, size_t name_len, int type)
{
	/*
	 * This method is not used.
	 * It is used hfsplus_listxattr() instead of generic_listxattr().
	 */
	return -EOPNOTSUPP;
}

const struct xattr_handler hfsplus_xattr_trusted_handler = {
	.prefix	= XATTR_TRUSTED_PREFIX,
	.list	= hfsplus_trusted_listxattr,
	.get	= hfsplus_trusted_getxattr,
	.set	= hfsplus_trusted_setxattr,
};
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