[PATCH 2/2] fs: optimize mpage_bio_submit()

[Changli Gao]

optimize mpage_bio_submit()

check rw, then initialize bio->bi_end_io.

Signed-off-by: Changli Gao <xiaosuo@xxxxxxxxx>
----
 fs/mpage.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/mpage.c b/fs/mpage.c
index 94ff0d1..632681c 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -85,9 +85,7 @@ static void mpage_end_io_write(struct bio *bio, int err)
 
 static struct bio *mpage_bio_submit(int rw, struct bio *bio)
 {
-	bio->bi_end_io = mpage_end_io_read;
-	if (rw == WRITE)
-		bio->bi_end_io = mpage_end_io_write;
+	bio->bi_end_io = rw != WRITE ? mpage_end_io_read : mpage_end_io_write;
 	submit_bio(rw, bio);
 	return NULL;
 }
--
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