linuxdebug/fs/squashfs/xattr.h

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2024-07-16 15:50:57 +02:00
/* 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 *, unsigned 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, unsigned 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