From: Christoph Hellwig <hch@infradead.org>
To: Mike Snitzer <snitzer@redhat.com>
Cc: dm-devel@redhat.com, Mikulas Patocka <mpatocka@redhat.com>,
"Alasdair G. Kergon" <agk@redhat.com>
Subject: Re: device mapper and the BLKFLSBUF ioctl
Date: Tue, 25 Oct 2016 06:07:12 -0700 [thread overview]
Message-ID: <20161025130712.GA12717@infradead.org> (raw)
In-Reply-To: <20161024155756.GA48306@redhat.com>
I think the right fix is to kill off the BLKFLSBUF special case in
brd. Yes, it break compatibility - but in this case the compatibility
breaks more than it helps.
next prev parent reply other threads:[~2016-10-25 13:07 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-21 18:33 device mapper and the BLKFLSBUF ioctl Mikulas Patocka
2016-10-21 20:00 ` Mike Snitzer
2016-10-21 20:18 ` Mikulas Patocka
2016-10-24 15:57 ` Mike Snitzer
2016-10-25 13:07 ` Christoph Hellwig [this message]
2016-10-25 14:37 ` [PATCH] brd: remove support for BLKFLSBUF Mike Snitzer
2016-10-25 14:46 ` Jens Axboe
2016-10-26 20:25 ` [PATCH 0/4] brd: support discard Mikulas Patocka
2016-10-26 20:26 ` [PATCH 1/4] brd: handle misaligned discard Mikulas Patocka
2016-10-26 20:38 ` [dm-devel] " Bart Van Assche
2016-10-26 20:38 ` Bart Van Assche
2016-10-26 21:46 ` Mikulas Patocka
2016-10-26 21:50 ` REQ_OP for zeroing, was " Christoph Hellwig
2016-10-28 11:43 ` Mikulas Patocka
2016-10-28 13:14 ` Christoph Hellwig
2016-10-31 16:36 ` Mikulas Patocka
2016-10-26 21:57 ` Bart Van Assche
2016-10-26 21:57 ` Bart Van Assche
2016-10-28 11:39 ` Mikulas Patocka
2016-10-28 15:55 ` Bart Van Assche
2016-10-28 15:55 ` Bart Van Assche
2016-10-31 16:31 ` Mikulas Patocka
2016-10-26 20:26 ` [PATCH 2/4] brd: extend rcu read sections Mikulas Patocka
2016-10-26 20:27 ` [PATCH 3/4] brd: implement discard Mikulas Patocka
2016-10-26 20:27 ` [PATCH 4/4] brd: remove unused brd_zero_page Mikulas Patocka
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