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-rw-r--r--fs/mpage.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/fs/mpage.c b/fs/mpage.c
index 0face1c..4979ffa 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -43,16 +43,14 @@
*/
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;
+ struct bio_vec *bv;
+ int i;
- do {
- struct page *page = bvec->bv_page;
+ bio_for_each_segment_all(bv, bio, i) {
+ struct page *page = bv->bv_page;
- if (--bvec >= bio->bi_io_vec)
- prefetchw(&bvec->bv_page->flags);
if (bio_data_dir(bio) == READ) {
- if (uptodate) {
+ if (!err) {
SetPageUptodate(page);
} else {
ClearPageUptodate(page);
@@ -60,14 +58,15 @@ static void mpage_end_io(struct bio *bio, int err)
}
unlock_page(page);
} else { /* bio_data_dir(bio) == WRITE */
- if (!uptodate) {
+ if (err) {
SetPageError(page);
if (page->mapping)
set_bit(AS_EIO, &page->mapping->flags);
}
end_page_writeback(page);
}
- } while (bvec >= bio->bi_io_vec);
+ }
+
bio_put(bio);
}
@@ -94,7 +93,7 @@ mpage_alloc(struct block_device *bdev,
if (bio) {
bio->bi_bdev = bdev;
- bio->bi_sector = first_sector;
+ bio->bi_iter.bi_sector = first_sector;
}
return bio;
}
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