From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Fri, 4 Nov 2016 21:33:57 +0000 (-0700)
Subject: f2fs: assign segments correctly for direct_io
X-Git-Tag: v4.14-rc1~1902^2~29
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bdb7d964c4fb73078ab21c20e8c7b7bf7e641bb6;p=platform%2Fkernel%2Flinux-rpi.git

f2fs: assign segments correctly for direct_io

Previously, we assigned CURSEG_WARM_DATA for direct_io, but if we have two or
four logs, we do not use that type at all.
Let's fix it.

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

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 5e7e311..7fb7dd3 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1501,8 +1501,12 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
 	struct curseg_info *curseg;
 	bool direct_io = (type == CURSEG_DIRECT_IO);
 
-	type = direct_io ? CURSEG_WARM_DATA : type;
-
+	if (direct_io) {
+		if (sbi->active_logs <= 4)
+			type = CURSEG_HOT_DATA;
+		else
+			type = CURSEG_WARM_DATA;
+	}
 	curseg = CURSEG_I(sbi, type);
 
 	mutex_lock(&curseg->curseg_mutex);