On Fri, Jan 06 2012 at 5:32pm -0500, Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > On Fri, Jan 06 2012 at 2:30pm -0500, > Christophe Varoqui <christophe.varoqui@xxxxxxxxx> wrote: > > > Hannes, list, > > > > reading your kernel path there > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=63583cca745f440167bf27877182dc13e19d4bcf > > I wonder if this is expected that a write io on a write protected device > > is returned to the queue ? I would have guessed it qualified as > > TARGET_ERROR, hence not retryable (and not causing path invalidation). > > > > In the following log the sense code is clearly seen as > > Sense Key : Data Protect [current] > > Add. Sense: Write protected > > > > The log is grabbed from a el6 kernel rev. 131 which include the > > mentioned patch (since rev. 110 iirc). > > > > Care to confirm something is fishy there ? > > scsi_check_sense() needs to be trained to return TARGET_ERROR for this > case. > > The commit you referenced wasn't meant to have covered _every_ possible > TARGET_ERROR case. Hmm, but looking closer that commit _does_ return TARGET_ERROR for DATA_PROTECT. I need to dig deeper, but I think Hannes gets back to work on Monday. Mike -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
