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Commit 72e1c797 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
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f2fs: fix to redirty page if fail to gc data page 



If we fail to move data page during foreground GC, we should give another
chance to writeback that page which was set dirty previously by writer.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 1563ac75

fs/f2fs/gc.c

+12 −1
Original line number Diff line number Diff line
@@ -653,12 +653,23 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type) 
			.page = page,

			.encrypted_page = NULL,

		};

		bool is_dirty = PageDirty(page);

		int err;



retry:

		set_page_dirty(page);

		f2fs_wait_on_page_writeback(page, DATA, true);

		if (clear_page_dirty_for_io(page))

			inode_dec_dirty_pages(inode);



		set_cold_data(page);

		do_write_data_page(&fio);



		err = do_write_data_page(&fio);

		if (err == -ENOMEM && is_dirty) {

			congestion_wait(BLK_RW_ASYNC, HZ/50);

			goto retry;

		}



		clear_cold_data(page);

	}

out: