From: keith.busch@intel.com (Keith Busch)
Subject: Hot-remove of a device with a mounted partition
Date: Wed, 29 Apr 2015 14:44:19 +0000 (UTC) [thread overview]
Message-ID: <alpine.LNX.2.00.1504291435050.15930@localhost.lm.intel.com> (raw)
In-Reply-To: <006f01d08274$d31e7430$795b5c90$@samsung.com>
On Wed, 29 Apr 2015, Sunad Bhandary wrote:
> 1) When the device is removed , sometimes(around 4-5 out of 10 times) the
> removal process hangs. The device nodes are still present under /dev. It
> seems like call to del_gendisk function is hung and not returning.
Looks like it's stuck entrying a frozen queue. I'm not sure why it ever
succeeds in your test. :)
Thanks for the catch. We'll have to figure out some way to coordinate
this with blk-mq so its safe in all scenarios.
next prev parent reply other threads:[~2015-04-29 14:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-29 12:05 Hot-remove of a device with a mounted partition Sunad Bhandary
2015-04-29 14:44 ` Keith Busch [this message]
2015-04-29 17:30 ` Keith Busch
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