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Subject: Re: [PATCH v5 00/13] Introduce device state 'failed', spare device
 and auto replace
To: Yauhen Kharuzhy <yauhen.kharuzhy@zavadatar.com>
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 <20160428121010.GA19558@jeknote.loshitsa1.net>
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From: Anand Jain <anand.jain@oracle.com>
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Date: Mon, 2 May 2016 09:32:35 +0800
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Thanks!  for report.

> Sequense was:
> 1) create FS (RAID5), mount, write 40 MB file, sync
> 2) detach drive
> 3) start replace detached (but still not closed) drive by another
> 4) touch mount point, call 'btrfs fi sync' (I use udev script to initiate write immediately after drive removal)
> 4) <device is closed here> -> oops.

  Right. It didn't handle this case. Now I have fixed this locally.
  But not sent yet, as I am also waiting to base this patch set on
  top of my recent patches.
    [PATCH 0/2] [RFC] btrfs: create degraded-RAID1 chunks

- Anand