linux-kernel - [PATCH 16/16] fs: unexport vfs_readv and vfs

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Message-Id: <20170830150007.3953-17-hch@lst.de>
Date:   Wed, 30 Aug 2017 17:00:07 +0200
From:   Christoph Hellwig <hch@....de>
To:     viro@...iv.linux.org.uk
Cc:     arve@...roid.com, riandrews@...roid.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 16/16] fs: unexport vfs_readv and vfs_writev

We've got no modular users left, and any potential modular user is better
of with iov_iter based variants.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/read_write.c    | 4 +---
 include/linux/fs.h | 2 --
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/read_write.c b/fs/read_write.c
index d3ff440d7084..f8491a81f623 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -982,9 +982,8 @@ ssize_t vfs_readv(struct file *file, const struct iovec __user *vec,
 
 	return ret;
 }
-EXPORT_SYMBOL(vfs_readv);
 
-ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,
+static ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,
 		   unsigned long vlen, loff_t *pos, int flags)
 {
 	struct iovec iovstack[UIO_FASTIOV];
@@ -1001,7 +1000,6 @@ ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,
 	}
 	return ret;
 }
-EXPORT_SYMBOL(vfs_writev);
 
 static ssize_t do_readv(unsigned long fd, const struct iovec __user *vec,
 			unsigned long vlen, int flags)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0fd6109431d4..688e72309cde 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1758,8 +1758,6 @@ extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
 extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
 extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
 		unsigned long, loff_t *, int);
-extern ssize_t vfs_writev(struct file *, const struct iovec __user *,
-		unsigned long, loff_t *, int);
 extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *,
 				   loff_t, size_t, unsigned int);
 extern int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,
-- 
2.11.0