From: Jaegeuk Kim Date: Thu, 24 Apr 2014 00:49:52 +0000 (+0900) Subject: f2fs: submit bio at the reclaim path X-Git-Tag: v3.16-rc1~64^2~32 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=2aea39eca6b68d6ae7eb545332df0695f56a3d3f;p=linux.git f2fs: submit bio at the reclaim path If f2fs_write_data_page is called through the reclaim path, we should submit the bio right away. This patch resolves the following issue that Marc Dietrich reported. "It took me a while to bisect a problem which causes my ARM (tegra2) netbook to frequently stall for 5-10 seconds when I enable EXA acceleration (opentegra experimental ddx)." And this patch fixes that. Reported-by: Marc Dietrich Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 150c12ace4af..0147de7e3973 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -833,6 +833,8 @@ static int f2fs_write_data_page(struct page *page, unlock_page(page); if (need_balance_fs) f2fs_balance_fs(sbi); + if (wbc->for_reclaim) + f2fs_submit_merged_bio(sbi, DATA, WRITE); return 0; redirty_out: