linux-kernel - [PATCH v2 03/22] staging: erofs: fix dummy functions erofs

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Message-ID: <20190731155752.210602-4-gaoxiang25@huawei.com>
Date:   Wed, 31 Jul 2019 23:57:33 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Chao Yu <yuchao0@...wei.com>, <devel@...verdev.osuosl.org>
CC:     LKML <linux-kernel@...r.kernel.org>,
        <linux-erofs@...ts.ozlabs.org>, "Chao Yu" <chao@...nel.org>,
        Miao Xie <miaoxie@...wei.com>, <weidu.du@...wei.com>,
        Fang Wei <fangwei1@...wei.com>,
        Gao Xiang <gaoxiang25@...wei.com>, Yue Hu <zbestahu@...il.com>
Subject: [PATCH v2 03/22] staging: erofs: fix dummy functions erofs_{get,list}xattr

dummy functions erofs_{get,list}xattr should be inlined
without xattr enabled.

Signed-off-by: Yue Hu <zbestahu@...il.com>
[ Gao Xiang : this patch was "staging: erofs: remove needless
              dummy functions of erofs_{get,list}xattr. "]
Reviewed-by: Chao Yu <yuchao0@...wei.com>
Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>
---
 drivers/staging/erofs/xattr.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/erofs/xattr.h b/drivers/staging/erofs/xattr.h
index fbcd57bdf886..63cc87e3d3f4 100644
--- a/drivers/staging/erofs/xattr.h
+++ b/drivers/staging/erofs/xattr.h
@@ -39,6 +39,7 @@ static inline unsigned int xattrblock_offset(struct erofs_sb_info *sbi,
 	return (xattr_id * sizeof(__u32)) % EROFS_BLKSIZ;
 }
 
+#ifdef CONFIG_EROFS_FS_XATTR
 extern const struct xattr_handler erofs_xattr_user_handler;
 extern const struct xattr_handler erofs_xattr_trusted_handler;
 #ifdef CONFIG_EROFS_FS_SECURITY
@@ -64,25 +65,24 @@ static const struct xattr_handler *xattr_handler_map[] = {
 		xattr_handler_map[idx] : NULL;
 }
 
-#ifdef CONFIG_EROFS_FS_XATTR
 extern const struct xattr_handler *erofs_xattr_handlers[];
 
 int erofs_getxattr(struct inode *, int, const char *, void *, size_t);
 ssize_t erofs_listxattr(struct dentry *, char *, size_t);
 #else
-static int __maybe_unused erofs_getxattr(struct inode *inode, int index,
-	const char *name,
-	void *buffer, size_t buffer_size)
+static inline int erofs_getxattr(struct inode *inode, int index,
+				 const char *name, void *buffer,
+				 size_t buffer_size)
 {
 	return -ENOTSUPP;
 }
 
-static ssize_t __maybe_unused erofs_listxattr(struct dentry *dentry,
-	char *buffer, size_t buffer_size)
+static inline ssize_t erofs_listxattr(struct dentry *dentry,
+				      char *buffer, size_t buffer_size)
 {
 	return -ENOTSUPP;
 }
-#endif
+#endif	/* !CONFIG_EROFS_FS_XATTR */
 
 #ifdef CONFIG_EROFS_FS_POSIX_ACL
 struct posix_acl *erofs_get_acl(struct inode *inode, int type);
-- 
2.17.1