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Message-ID: <YH7/D1h5r9WB1TNq@mit.edu>
Date:   Tue, 20 Apr 2021 12:19:27 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Haotian Li <lihaotian9@...wei.com>
Cc:     Ext4 Developers List <linux-ext4@...r.kernel.org>,
        "harshad shirwadkar," <harshadshirwadkar@...il.com>,
        "liuzhiqiang (I)" <liuzhiqiang26@...wei.com>,
        linfeilong <linfeilong@...wei.com>
Subject: Re: [PATCH] e2fsprogs: Try again to solve unreliable io case

On Tue, Apr 20, 2021 at 03:18:05PM +0800, Haotian Li wrote:
> If some I/O error occured during e2fsck, for example the
> fibre channel connections are flasky, the e2fsck may exit.
> Try again in these I/O error cases may help e2fsck
> successfully execute and fix the disk correctly.

Why not fix this by retrying in the device driver instead?  If the
Fibre Channel is that flaky, then it's going to be a problem when the
file system is mounted, so it would seem to me that fixing this in the
kernel makes a lot more sense.

    	   	       	    - Ted

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