This patch fixes # of outstanding writeback pages by checking its original page.

Signed-off-by: Jaegeuk Kim <[email protected]>
---
 fs/f2fs/data.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 3d74c0ffa4c7..af3e849e96d2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -94,7 +94,6 @@ static void f2fs_write_end_io(struct bio *bio)
 
        bio_for_each_segment_all(bvec, bio, i) {
                struct page *page = bvec->bv_page;
-               enum count_type type = WB_DATA_TYPE(page);
 
                if (IS_DUMMY_WRITTEN_PAGE(page)) {
                        set_page_private(page, (unsigned long)NULL);
@@ -113,7 +112,7 @@ static void f2fs_write_end_io(struct bio *bio)
                        mapping_set_error(page->mapping, -EIO);
                        f2fs_stop_checkpoint(sbi, true);
                }
-               dec_page_count(sbi, type);
+               dec_page_count(sbi, WB_DATA_TYPE(page));
                clear_cold_data(page);
                end_page_writeback(page);
        }
@@ -389,7 +388,7 @@ int f2fs_submit_page_mbio(struct f2fs_io_info *fio)
        fio->submitted = 1;
 
        if (!is_read)
-               inc_page_count(sbi, WB_DATA_TYPE(bio_page));
+               inc_page_count(sbi, WB_DATA_TYPE(fio->page));
 
        down_write(&io->io_rwsem);
 
@@ -403,7 +402,7 @@ int f2fs_submit_page_mbio(struct f2fs_io_info *fio)
                                fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
                        err = -EAGAIN;
                        if (!is_read)
-                               dec_page_count(sbi, WB_DATA_TYPE(bio_page));
+                               dec_page_count(sbi, WB_DATA_TYPE(fio->page));
                        goto out_fail;
                }
                io->bio = __bio_alloc(sbi, fio->new_blkaddr,
-- 
2.11.0

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