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From: martin.petersen@oracle.com (Martin K. Petersen)
Subject: [PATCH 3/4] block: Refuse adding appending a gaped integrity page to a bio
Date: Thu, 03 Sep 2015 23:24:40 -0400	[thread overview]
Message-ID: <yq1a8t2amtj.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <1441297703-10753-4-git-send-email-sagig@mellanox.com> (Sagi Grimberg's message of "Thu, 3 Sep 2015 19:28:22 +0300")

>>>>> "Sagi" == Sagi Grimberg <sagig at mellanox.com> writes:

Sagi> This is only theoretical at the moment given that the only
Sagi> subsystems that generate integrity payloads are the block layer
Sagi> itself and the scsi target (which generate well aligned integrity
Sagi> payloads). But when we will expose integrity meta-data to
Sagi> user-space, we'll need to refuse appending a page with a gap (if
Sagi> the queue virtual boundary is set).

Code looks fine but my concerns outlined in:

http://lists.infradead.org/pipermail/linux-nvme/2015-July/002063.html

still stand.

-- 
Martin K. Petersen	Oracle Linux Engineering

  reply	other threads:[~2015-09-04  3:24 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-03 16:28 [PATCH 0/4] Fix gaps detection in bio merges Sagi Grimberg
2015-09-03 16:28 ` [PATCH 1/4] block: Check for gaps on front and back merges Sagi Grimberg
2015-09-03 16:28 ` [PATCH 2/4] block: Refuse request/bio merges with gaps in the integrity payload Sagi Grimberg
2015-09-03 16:28 ` [PATCH 3/4] block: Refuse adding appending a gaped integrity page to a bio Sagi Grimberg
2015-09-04  3:24   ` Martin K. Petersen [this message]
2015-09-06  7:46     ` Sagi Grimberg
2015-09-08 18:24       ` Martin K. Petersen
2015-09-10  9:10         ` Sagi Grimberg
2015-09-10 22:22           ` Martin K. Petersen
2015-09-13  7:53             ` Sagi Grimberg
2015-09-03 16:28 ` [PATCH 4/4] block: Copy a user iovec if it includes gaps Sagi Grimberg

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