Patch "f2fs: do SSR for data when there is enough free space" has been added to the 4.9-stable tree

Patch "f2fs: do SSR for data when there is enough free space" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    f2fs: do SSR for data when there is enough free space

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     f2fs-do-ssr-for-data-when-there-is-enough-free-space.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Oct 19 15:04:02 CEST 2017
From: Yunlong Song <yunlong.song@huawei.com>
Date: Wed, 22 Feb 2017 20:50:49 +0800
Subject: f2fs: do SSR for data when there is enough free space

From: Yunlong Song <yunlong.song@huawei.com>


[ Upstream commit 035e97adab26c1121cedaeb9bd04cf48a8e8cf51 ]

In allocate_segment_by_default(), need_SSR() already detected it's time to do
SSR. So, let's try to find victims for data segments more aggressively in time.

Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/f2fs/segment.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1263,7 +1263,7 @@ static int get_ssr_segment(struct f2fs_s
 	struct curseg_info *curseg = CURSEG_I(sbi, type);
 	const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops;
 
-	if (IS_NODESEG(type) || !has_not_enough_free_secs(sbi, 0, 0))
+	if (IS_NODESEG(type))
 		return v_ops->get_victim(sbi,
 				&(curseg)->next_segno, BG_GC, type, SSR);
 


Patches currently in stable-queue which might be from yunlong.song@huawei.com are

queue-4.9/f2fs-do-ssr-for-data-when-there-is-enough-free-space.patch