linux-kernel - Re: [PATCH -next 1/2] nfs: nfs{,4}_file_flush should consume writeback error

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Date:   Tue, 12 Apr 2022 21:46:44 +0800
From:   "chenxiaosong (A)" <chenxiaosong2@...wei.com>
To:     Trond Myklebust <trondmy@...merspace.com>,
        "anna@...nel.org" <anna@...nel.org>,
        "smayhew@...hat.com" <smayhew@...hat.com>
CC:     "linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
        "liuyongqiang13@...wei.com" <liuyongqiang13@...wei.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "yi.zhang@...wei.com" <yi.zhang@...wei.com>,
        "zhangxiaoxu5@...wei.com" <zhangxiaoxu5@...wei.com>,
        <smayhew@...hat.com>
Subject: Re: [PATCH -next 1/2] nfs: nfs{,4}_file_flush should consume
 writeback error

在 2022/3/6 23:08, Trond Myklebust 写道:
> 
> Just to clarify a little.
> 
> I don't see a need to consume the writeback errors on close(), unless
> other filesystems do the same. If the intention is that fsync() should
> see _all_ errors that haven't already been seen, then NFS should follow
> the same semantics as all the other filesystems.
> 

Other filesystem will _not_ clear writeback error on close().
And other filesystem will _not_ clear writeback error on async write() too.

Other filesystem _only_ clear writeback error on fsync() or sync write().

Should NFS follow the same semantics as all the other filesystems?