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erofs: unexport erofs_xattr_prefix()

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It can be simply in xattr.c due to no external users.

Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
This commit is contained in:
Gao Xiang 2025-12-31 12:57:36 +08:00
parent 09225312f2
commit 7ed7a713f1
2 changed files with 28 additions and 33 deletions
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31
fs/erofs/xattr.c
View File

@ -25,6 +25,8 @@ struct erofs_xattr_iter {
struct dentry *dentry;
};
static const char *erofs_xattr_prefix(unsigned int idx, struct dentry *dentry);
static int erofs_init_inode_xattrs(struct inode *inode)
{
struct erofs_inode *const vi = EROFS_I(inode);
@ -431,14 +433,14 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler,
return erofs_getxattr(inode, handler->flags, name, buffer, size);
}
const struct xattr_handler erofs_xattr_user_handler = {
static const struct xattr_handler erofs_xattr_user_handler = {
.prefix = XATTR_USER_PREFIX,
.flags = EROFS_XATTR_INDEX_USER,
.list = erofs_xattr_user_list,
.get = erofs_xattr_generic_get,
};
const struct xattr_handler erofs_xattr_trusted_handler = {
static const struct xattr_handler erofs_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.flags = EROFS_XATTR_INDEX_TRUSTED,
.list = erofs_xattr_trusted_list,
@ -446,7 +448,7 @@ const struct xattr_handler erofs_xattr_trusted_handler = {
};
#ifdef CONFIG_EROFS_FS_SECURITY
const struct xattr_handler __maybe_unused erofs_xattr_security_handler = {
static const struct xattr_handler erofs_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.flags = EROFS_XATTR_INDEX_SECURITY,
.get = erofs_xattr_generic_get,
@ -462,6 +464,29 @@ const struct xattr_handler * const erofs_xattr_handlers[] = {
NULL,
};
static const char *erofs_xattr_prefix(unsigned int idx, struct dentry *dentry)
{
static const struct xattr_handler * const xattr_handler_map[] = {
[EROFS_XATTR_INDEX_USER] = &erofs_xattr_user_handler,
#ifdef CONFIG_EROFS_FS_POSIX_ACL
[EROFS_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access,
[EROFS_XATTR_INDEX_POSIX_ACL_DEFAULT] = &nop_posix_acl_default,
#endif
[EROFS_XATTR_INDEX_TRUSTED] = &erofs_xattr_trusted_handler,
#ifdef CONFIG_EROFS_FS_SECURITY
[EROFS_XATTR_INDEX_SECURITY] = &erofs_xattr_security_handler,
#endif
};
const struct xattr_handler *handler = NULL;
if (idx && idx < ARRAY_SIZE(xattr_handler_map)) {
handler = xattr_handler_map[idx];
if (xattr_handler_can_list(handler, dentry))
return xattr_prefix(handler);
}
return NULL;
}
void erofs_xattr_prefixes_cleanup(struct super_block *sb)
{
struct erofs_sb_info *sbi = EROFS_SB(sb);

30
fs/erofs/xattr.h
View File

@ -11,36 +11,6 @@
#include <linux/xattr.h>
#ifdef CONFIG_EROFS_FS_XATTR
extern const struct xattr_handler erofs_xattr_user_handler;
extern const struct xattr_handler erofs_xattr_trusted_handler;
extern const struct xattr_handler erofs_xattr_security_handler;
static inline const char *erofs_xattr_prefix(unsigned int idx,
struct dentry *dentry)
{
const struct xattr_handler *handler = NULL;
static const struct xattr_handler * const xattr_handler_map[] = {
[EROFS_XATTR_INDEX_USER] = &erofs_xattr_user_handler,
#ifdef CONFIG_EROFS_FS_POSIX_ACL
[EROFS_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access,
[EROFS_XATTR_INDEX_POSIX_ACL_DEFAULT] = &nop_posix_acl_default,
#endif
[EROFS_XATTR_INDEX_TRUSTED] = &erofs_xattr_trusted_handler,
#ifdef CONFIG_EROFS_FS_SECURITY
[EROFS_XATTR_INDEX_SECURITY] = &erofs_xattr_security_handler,
#endif
};
if (idx && idx < ARRAY_SIZE(xattr_handler_map))
handler = xattr_handler_map[idx];
if (!xattr_handler_can_list(handler, dentry))
return NULL;
return xattr_prefix(handler);
}
extern const struct xattr_handler * const erofs_xattr_handlers[];
int erofs_xattr_prefixes_init(struct super_block *sb);