linux-kernel - [PATCH 1/4] splice: Rename new splice functions

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Date:   Mon, 13 Feb 2023 13:46:16 +0000
From:   David Howells <dhowells@...hat.com>
To:     Jens Axboe <axboe@...nel.dk>, Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>
Cc:     David Howells <dhowells@...hat.com>,
        Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>,
        Jeff Layton <jlayton@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Hillf Danton <hdanton@...a.com>, linux-fsdevel@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Christoph Hellwig <hch@....de>,
        John Hubbard <jhubbard@...dia.com>
Subject: [PATCH 1/4] splice: Rename new splice functions

Rename generic_file_buffered_splice_read() to filemap_splice_read().

Rename generic_file_direct_splice_read() to direct_splice_read().

Requested-by: Christoph Hellwig <hch@....de>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Christoph Hellwig <hch@....de>
cc: Jens Axboe <axboe@...nel.dk>
cc: Al Viro <viro@...iv.linux.org.uk>
cc: John Hubbard <jhubbard@...dia.com>
cc: David Hildenbrand <david@...hat.com>
cc: Matthew Wilcox <willy@...radead.org>
cc: linux-block@...r.kernel.org
cc: linux-fsdevel@...r.kernel.org
cc: linux-mm@...ck.org
---
 fs/splice.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/fs/splice.c b/fs/splice.c
index 2717078949a2..91b9e2cb9e03 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -287,9 +287,9 @@ void splice_shrink_spd(struct splice_pipe_desc *spd)
  * Splice data from an O_DIRECT file into pages and then add them to the output
  * pipe.
  */
-static ssize_t generic_file_direct_splice_read(struct file *in, loff_t *ppos,
-					       struct pipe_inode_info *pipe,
-					       size_t len, unsigned int flags)
+static ssize_t direct_splice_read(struct file *in, loff_t *ppos,
+				  struct pipe_inode_info *pipe,
+				  size_t len, unsigned int flags)
 {
 	struct iov_iter to;
 	struct bio_vec *bv;
@@ -417,10 +417,9 @@ static size_t splice_folio_into_pipe(struct pipe_inode_info *pipe,
  * Splice folios from the pagecache of a buffered (ie. non-O_DIRECT) file into
  * a pipe.
  */
-static ssize_t generic_file_buffered_splice_read(struct file *in, loff_t *ppos,
-						 struct pipe_inode_info *pipe,
-						 size_t len,
-						 unsigned int flags)
+static ssize_t filemap_splice_read(struct file *in, loff_t *ppos,
+				   struct pipe_inode_info *pipe,
+				   size_t len, unsigned int flags)
 {
 	struct folio_batch fbatch;
 	size_t total_spliced = 0, used, npages;
@@ -529,8 +528,8 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,
 	if (unlikely(!len))
 		return 0;
 	if (in->f_flags & O_DIRECT)
-		return generic_file_direct_splice_read(in, ppos, pipe, len, flags);
-	return generic_file_buffered_splice_read(in, ppos, pipe, len, flags);
+		return direct_splice_read(in, ppos, pipe, len, flags);
+	return filemap_splice_read(in, ppos, pipe, len, flags);
 }
 EXPORT_SYMBOL(generic_file_splice_read);