f2fs: make clean the page before writing

If a page is set to be written to the disk, we can make clean the page.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 914b6d3..e27f290 100644 (file)
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -84,7 +84,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
                .type = DATA,
                .rw = WRITE_SYNC | REQ_PRIO,
        };
-       int err;
+       int dirty, err;
 
        f2fs_bug_on(F2FS_I_SB(dn->inode), page->index);
 
@@ -110,12 +110,17 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
        kunmap_atomic(dst_addr);
        SetPageUptodate(page);
 no_update:
+       /* clear dirty state */
+       dirty = clear_page_dirty_for_io(page);
+
        /* write data page to try to make data consistent */
        set_page_writeback(page);
 
        write_data_page(page, dn, &new_blk_addr, &fio);
        update_extent_cache(new_blk_addr, dn);
        f2fs_wait_on_page_writeback(page, DATA);
+       if (dirty)
+               inode_dec_dirty_pages(dn->inode);
 
        /* clear inline data and flag after data writeback */
        truncate_inline_data(dn->inode_page, 0);