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SubjectRe: [PATCH 55/91] Make scsi_free_queue() kill pending SCSI commands
On Sun, Feb 5, 2012 at 11:10 PM, Willy Tarreau <> wrote:
> 2.6.27-longterm review patch.  If anyone has any objections, please let us know.
> ------------------
> commit 3308511c93e6ad0d3c58984ecd6e5e57f96b12c8 upstream.
> Make sure that SCSI device removal via scsi_remove_host() does finish
> all pending SCSI commands. Currently that's not the case and hence
> removal of a SCSI host during I/O can cause a deadlock. See also
> "blkdev_issue_discard() hangs forever if underlying storage device is
> removed" ( See also

If you backport that commit, you should backport commit
745718132c3c7cac98a622b610e239dcd5217f71 too. See e.g.

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