[to-be-updated] mpage-split-bi_end_io-callback-for-reads-and-writes.patch removed from -mm tree

[Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>]

The quilt patch titled
     Subject: mpage: split bi_end_io callback for reads and writes
has been removed from the -mm tree.  Its filename was
     mpage-split-bi_end_io-callback-for-reads-and-writes.patch

This patch was dropped because an updated version will be merged

------------------------------------------------------
From: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
Subject: mpage: split bi_end_io callback for reads and writes
Date: Mon, 3 Apr 2023 15:22:19 +0200

Split the bi_end_io handler for reads and writes similar to other aops. 
This is a prep patch before we convert end_io handlers to use folios.

Link: https://lkml.kernel.org/r/20230403132221.94921-4-p.raghav@xxxxxxxxxxx
Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
Suggested-by: Christoph Hellwig <hch@xxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Christian Brauner <brauner@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Cc: Martin Brandenburg <martin@xxxxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Mike Marshall <hubcap@xxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/mpage.c |   24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

--- a/fs/mpage.c~mpage-split-bi_end_io-callback-for-reads-and-writes
+++ a/fs/mpage.c
@@ -43,14 +43,28 @@
  * status of that page is hard.  See end_buffer_async_read() for the details.
  * There is no point in duplicating all that complexity.
  */
-static void mpage_end_io(struct bio *bio)
+static void mpage_read_end_io(struct bio *bio)
 {
 	struct bio_vec *bv;
 	struct bvec_iter_all iter_all;
 
 	bio_for_each_segment_all(bv, bio, iter_all) {
 		struct page *page = bv->bv_page;
-		page_endio(page, bio_op(bio),
+		page_endio(page, REQ_OP_READ,
+			   blk_status_to_errno(bio->bi_status));
+	}
+
+	bio_put(bio);
+}
+
+static void mpage_write_end_io(struct bio *bio)
+{
+	struct bio_vec *bv;
+	struct bvec_iter_all iter_all;
+
+	bio_for_each_segment_all(bv, bio, iter_all) {
+		struct page *page = bv->bv_page;
+		page_endio(page, REQ_OP_WRITE,
 			   blk_status_to_errno(bio->bi_status));
 	}
 
@@ -59,7 +73,11 @@ static void mpage_end_io(struct bio *bio
 
 static struct bio *mpage_bio_submit(struct bio *bio)
 {
-	bio->bi_end_io = mpage_end_io;
+	if (op_is_write(bio_op(bio)))
+		bio->bi_end_io = mpage_write_end_io;
+	else
+		bio->bi_end_io = mpage_read_end_io;
+
 	guard_bio_eod(bio);
 	submit_bio(bio);
 	return NULL;
_

Patches currently in -mm which might be from p.raghav@xxxxxxxxxxx are

mpage-use-folios-in-bio-end_io-handler.patch
filemap-remove-page_endio.patch