|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /* | 
|  | * Squashfs - a compressed read only filesystem for Linux | 
|  | * | 
|  | * Copyright (c) 2010 | 
|  | * Phillip Lougher <phillip@squashfs.org.uk> | 
|  | * | 
|  | * xattr.h | 
|  | */ | 
|  |  | 
|  | #ifdef CONFIG_SQUASHFS_XATTR | 
|  | extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64, | 
|  | u64 *, int *); | 
|  | extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *, | 
|  | unsigned int *, unsigned long long *); | 
|  | #else | 
|  | static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb, | 
|  | u64 start, u64 *xattr_table_start, int *xattr_ids) | 
|  | { | 
|  | struct squashfs_xattr_id_table *id_table; | 
|  |  | 
|  | id_table = squashfs_read_table(sb, start, sizeof(*id_table)); | 
|  | if (IS_ERR(id_table)) | 
|  | return (__le64 *) id_table; | 
|  |  | 
|  | *xattr_table_start = le64_to_cpu(id_table->xattr_table_start); | 
|  | kfree(id_table); | 
|  |  | 
|  | ERROR("Xattrs in filesystem, these will be ignored\n"); | 
|  | return ERR_PTR(-ENOTSUPP); | 
|  | } | 
|  |  | 
|  | static inline int squashfs_xattr_lookup(struct super_block *sb, | 
|  | unsigned int index, int *count, unsigned int *size, | 
|  | unsigned long long *xattr) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  | #define squashfs_listxattr NULL | 
|  | #define squashfs_xattr_handlers NULL | 
|  | #endif |