Re: [PATCH 2/3] btrfs: support to find missing device by path

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On 05/05/2015 11:38 PM, David Sterba wrote:
On Thu, Apr 30, 2015 at 05:07:24PM +0800, xuw2015@xxxxxxxxx wrote:
From: George Wang <xuw2015@xxxxxxxxx>

First try to find the device matches specified device path, if nothing, then
find the device by (devid, dev_uuid). This can fix the regression for
replacing an offline device which path is held in btrfs_device.

I vaguely remember similar patches sent by Anand, CCed.

George,

 Critically we don't need this patch. right ?
 Anyway user of replace cli can use devid if device read fails.

 I think David is talking about:
   [PATCH] device delete by devid

 it was critical for device delete. since there was device
 delete by devid. I used device delete by devid instead of
 device path strcmp mainly because to maintain consistency
 between device replace and delete.
 the above patch set also provides code cleanups between
 device replace and delete codes.

Thanks, Anand

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