Re: SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning

From: Chao Yu <chao2.yu@samsung.com>
To: 'Marc Lehmann' <schmorp@schmorp.de>, 'Jaegeuk Kim' <jaegeuk@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: Re: SMR drive test 2; 128GB partition; no obvious corruption, much more sane behaviour, weird overprovisioning
Date: Wed, 23 Sep 2015 17:10:21 +0800	[thread overview]
Message-ID: <011d01d0f5df$c54267c0$4fc73740$@samsung.com> (raw)
In-Reply-To: <20150923060636.GA6807@schmorp.de>

Hi Marc,

The max hardlink number was increased to 0xffffffff by Jaegeuk in 4.3 rc1
Kernel, we can use it directly through backport.

>From a6db67f06fd9f6b1ddb11bcf4d7e8e8a86908d01 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Mon, 10 Aug 2015 15:01:12 -0700
Subject: [PATCH] f2fs: increase the number of max hard links

This patch increases the number of maximum hard links for one file.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/f2fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 23bfc0c..8308488 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -321,7 +321,7 @@ enum {
 					 */
 };
 
-#define F2FS_LINK_MAX		32000	/* maximum link count per file */
+#define F2FS_LINK_MAX	0xffffffff	/* maximum link count per file */
 
 #define MAX_DIR_RA_PAGES	4	/* maximum ra pages of dir */
 
-- 
2.5.2



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