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From: Andi Kleen <andi@firstfloor.org>
To: Tejun Heo <tj@kernel.org>
Cc: Junichi Nomura <j-nomura@ce.jp.nec.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"andi@firstfloor.org" <andi@firstfloor.org>,
	"fengguang.wu@intel.com" <fengguang.wu@intel.com>,
	"tony.luck@intel.com" <tony.luck@intel.com>,
	"liwanp@linux.vnet.ibm.com" <liwanp@linux.vnet.ibm.com>,
	"david@fromorbit.com" <david@fromorbit.com>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Subject: Re: [PATCH 1/1] fs: global sync to not clear error status of individual inodes
Date: Tue, 15 Sep 2015 18:52:50 +0200	[thread overview]
Message-ID: <20150915165250.GC1747@two.firstfloor.org> (raw)
In-Reply-To: <20150915152006.GD2905@mtj.duckdns.org>

> Is this an actual problem?  Write errors usually indicate that the

There are transaction systems that need to track errors at the level
of the individual IO.  So yes we should guarantee that if a particular
sync failed an error is always returned.

-Andi

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  reply	other threads:[~2015-09-15 16:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-15  9:46 [PATCH 0/1] Fix false-negative error reporting from fsync/fdatasync Junichi Nomura
2015-09-15  9:49 ` Test program: check if fsync() can detect I/O error (1/2) Junichi Nomura
2015-09-15  9:52   ` Test program: check if fsync() can detect I/O error (2/2) Junichi Nomura
2015-09-15  9:54 ` [PATCH 1/1] fs: global sync to not clear error status of individual inodes Junichi Nomura
2015-09-15 14:37   ` Andi Kleen
2015-09-15 22:02     ` Andrew Morton
2015-09-16  0:45       ` Junichi Nomura
2015-09-16 10:45         ` xfstests: test data-writeback error detection with fsync Junichi Nomura
2015-09-15 15:20   ` [PATCH 1/1] fs: global sync to not clear error status of individual inodes Tejun Heo
2015-09-15 16:52     ` Andi Kleen [this message]
2015-09-16  0:59     ` Junichi Nomura
2015-09-16  8:39       ` [PATCH v2] " Junichi Nomura
2015-09-16 17:47         ` Tejun Heo

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