-------- Original Message --------
Subject: Re: [PATCH] Btrfs: fix wrong uevent target
From: Anand Jain <[email protected]>
To: Chris Mason <[email protected]>
Date: 2014年07月04日 01:32
Chris,
This fix is theoretically correct but my guess that this would
solve problem as reported by Qu Wenruo was wrong [1].
Patch is good to integrate.
Thanks, Anand
[1] Re: [PATCH RFC] btrfs: Add ctime/mtime update for btrfs device
add/remove.
Yes, whatever uevent improvement will not solve the problem of 'btrfs
dev scan; btrfs dev del; btrfs dev scan'.
Since uevent event is send from kernel and received by ueventd, then
ueventd goes to update the device file ctime/mtine.
The uevent procedure is always asynchronized, so it will not fix the
'btrfs dev scan' libblkid cache problem.
Althogh my RFC patch is ugly, it will provide a synchronzied method to
update ctime/mtime from kernel.
Thank,
Qu
On 03/07/2014 22:00, Chris Mason wrote:
On 07/03/2014 07:09 AM, Miao Xie wrote:
CC Anand Jain
Sorry, please ignore this patch.
Anand wrote the same patch several days ago, so this bug fix belongs
to Anand
though he NACKed his patch at that time.
It certainly looks right, but Anand had mentioned that he had a few
questions on testing. I've pulled it out for now, but I'll take Anand's
version when you're both happy.
-chris
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