linux-kernel - [PATCH 4/4] erofs: unexport erofs_xattr

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Message-ID: <20251229092949.2316075-4-hsiangkao@linux.alibaba.com>
Date: Mon, 29 Dec 2025 17:29:49 +0800
From: Gao Xiang <hsiangkao@...ux.alibaba.com>
To: linux-erofs@...ts.ozlabs.org
Cc: LKML <linux-kernel@...r.kernel.org>,
	Gao Xiang <hsiangkao@...ux.alibaba.com>
Subject: [PATCH 4/4] erofs: unexport erofs_xattr_prefix()

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

Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
---
 fs/erofs/xattr.c | 27 +++++++++++++++++++++++++++
 fs/erofs/xattr.h | 30 ------------------------------
 2 files changed, 27 insertions(+), 30 deletions(-)

diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index 972941ecb71c..d25c1cc1940c 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -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);
@@ -462,6 +464,31 @@ const struct xattr_handler * const erofs_xattr_handlers[] = {
 	NULL,
 };
 
+static 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);
+}
+
 void erofs_xattr_prefixes_cleanup(struct super_block *sb)
 {
 	struct erofs_sb_info *sbi = EROFS_SB(sb);
diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h
index ee1d8c310d97..36f2667afc2d 100644
--- a/fs/erofs/xattr.h
+++ b/fs/erofs/xattr.h
@@ -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);
-- 
2.43.5