From 857dc4e0598e2a95b1cbb8d17c8538b34cc9a2f3 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Wed, 19 Nov 2014 11:03:34 -0800 Subject: [PATCH] f2fs: write SSA pages under memory pressure Under memory pressure, we don't need to skip SSA page writes. Signed-off-by: Jaegeuk Kim --- fs/f2fs/checkpoint.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 838e8ed3d13a..20a917b05b99 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -178,7 +178,7 @@ static int f2fs_write_meta_page(struct page *page, if (unlikely(sbi->por_doing)) goto redirty_out; - if (wbc->for_reclaim) + if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0)) goto redirty_out; if (unlikely(f2fs_cp_error(sbi))) goto redirty_out; @@ -187,6 +187,9 @@ static int f2fs_write_meta_page(struct page *page, write_meta_page(sbi, page); dec_page_count(sbi, F2FS_DIRTY_META); unlock_page(page); + + if (wbc->for_reclaim) + f2fs_submit_merged_bio(sbi, META, WRITE); return 0; redirty_out: