---

yaml --- r: 230707 b: refs/heads/master c: c32b0d4 h: refs/heads/master i: 230705: b873f8a 230703: b6bc0c0 v: v3
git-mirror · Jan 14, 2011 · 4fd28d1 · 4fd28d1
1 parent f445023
commit 4fd28d1
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Showing 2 changed files with 18 additions and 33 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9cbb4cb21b19fff46cf1174d0ed699ef710e641c
+refs/heads/master: c32b0d4b3f19c2f5d29568f8b7b72b61693f1277
diff --git a/trunk/fs/mpage.c b/trunk/fs/mpage.c
@@ -40,7 +40,7 @@
  * 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_read(struct bio *bio, int err)
+static void mpage_end_io(struct bio *bio, int err)
 {
 	const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
 	struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
@@ -50,44 +50,29 @@ static void mpage_end_io_read(struct bio *bio, int err)
 
 		if (--bvec >= bio->bi_io_vec)
 			prefetchw(&bvec->bv_page->flags);
-
-		if (uptodate) {
-			SetPageUptodate(page);
-		} else {
-			ClearPageUptodate(page);
-			SetPageError(page);
-		}
-		unlock_page(page);
-	} while (bvec >= bio->bi_io_vec);
-	bio_put(bio);
-}
-
-static void mpage_end_io_write(struct bio *bio, int err)
-{
-	const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
-
-	do {
-		struct page *page = bvec->bv_page;
-
-		if (--bvec >= bio->bi_io_vec)
-			prefetchw(&bvec->bv_page->flags);
-
-		if (!uptodate){
-			SetPageError(page);
-			if (page->mapping)
-				set_bit(AS_EIO, &page->mapping->flags);
+		if (bio_data_dir(bio) == READ) {
+			if (uptodate) {
+				SetPageUptodate(page);
+			} else {
+				ClearPageUptodate(page);
+				SetPageError(page);
+			}
+			unlock_page(page);
+		} else { /* bio_data_dir(bio) == WRITE */
+			if (!uptodate) {
+				SetPageError(page);
+				if (page->mapping)
+					set_bit(AS_EIO, &page->mapping->flags);
+			}
+			end_page_writeback(page);
 		}
-		end_page_writeback(page);
 	} while (bvec >= bio->bi_io_vec);
 	bio_put(bio);
 }
 
 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 = mpage_end_io;
 	submit_bio(rw, bio);
 	return NULL;
 }