Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * linux/fs/ext4/xattr_hurd.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Handler for extended gnu attributes for the Hurd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (C) 2020 by Jan (janneke) Nieuwenhuizen, <janneke@gnu.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "ext4.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "xattr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) ext4_xattr_hurd_list(struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	return test_opt(dentry->d_sb, XATTR_USER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) ext4_xattr_hurd_get(const struct xattr_handler *handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		    struct dentry *unused, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		    const char *name, void *buffer, size_t size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		    int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	if (!test_opt(inode->i_sb, XATTR_USER))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_HURD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 			      name, buffer, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ext4_xattr_hurd_set(const struct xattr_handler *handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		    struct dentry *unused, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		    const char *name, const void *value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		    size_t size, int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	if (!test_opt(inode->i_sb, XATTR_USER))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_HURD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 			      name, value, size, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) const struct xattr_handler ext4_xattr_hurd_handler = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	.prefix	= XATTR_HURD_PREFIX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	.list	= ext4_xattr_hurd_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	.get	= ext4_xattr_hurd_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	.set	= ext4_xattr_hurd_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };