linux-kernel - RE: [PATCH v2] f2fs: fix max orphan inodes calculation

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Date:	Sat, 28 Feb 2015 17:00:29 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	'Wanpeng Li' <wanpeng.li@...ux.intel.com>,
	'Jaegeuk Kim' <jaegeuk@...nel.org>
Cc:	'Changman Lee' <cm224.lee@...sung.com>,
	linux-f2fs-devel@...ts.sourceforge.net,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: RE: [PATCH v2] f2fs: fix max orphan inodes calculation

> -----Original Message-----
> From: Wanpeng Li [mailto:wanpeng.li@...ux.intel.com]
> Sent: Friday, February 27, 2015 5:38 PM
> To: Jaegeuk Kim
> Cc: Changman Lee; Chao Yu; linux-f2fs-devel@...ts.sourceforge.net;
> linux-fsdevel@...r.kernel.org; linux-kernel@...r.kernel.org; Wanpeng Li
> Subject: [PATCH v2] f2fs: fix max orphan inodes calculation
> 
> cp_payload is introduced for sit bitmap to support large volume, and it is
> just after the block of f2fs_checkpoint + nat bitmap, so the first segment
> should include F2FS_CP_PACKS + NR_CURSEG_TYPE + cp_payload + orphan blocks.
> However, current max orphan inodes calculation don't consider cp_payload,
> this patch fix it by reducing the number of cp_payload from total blocks of
> the first segment when calculate max orphan inodes.
> 
> Signed-off-by: Wanpeng Li <wanpeng.li@...ux.intel.com>

Reviewed-by: Chao Yu <chao2.yu@...sung.com>

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