From: Jan Vesely <jvesely@redhat.com>
To: Jens Axboe <axboe@kernel.dk>,
Alexander Viro <viro@zeniv.linux.org.uk>,
James Bottomley <James.Bottomley@hansenpartnership.com>,
linux-kernel@vger.kernel.org
Cc: Kent Overstreet <koverstreet@google.com>,
Rob Evers <revers@redhat.com>, Tomas Henzl <thenzl@redhat.com>,
Nikola Pajkovsky <npajkovs@redhat.com>,
Kai Makisara <Kai.Makisara@kolumbus.fi>,
linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Don Howard <dhoward@redhat.com>
Subject: [PATCH v4 0/2] block: Allow merging of tail pages into the last segment
Date: Fri, 12 Jul 2013 17:52:21 +0200 [thread overview]
Message-ID: <1373644343-6671-1-git-send-email-jvesely@redhat.com> (raw)
Hi
These patches modify __bio_add_page to accept pages that extent the last bio
segment. some drivers craft their buffers and rely on this behavior (see
message in patch 2 for details)
jan
v4: whitespace fixes to make checkpatch happy
v3: Use code from __blk_recalc_rq_segments to decide whether the page is
mergeable,
v2: modify a comment
next reply other threads:[~2013-07-12 15:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-12 15:52 Jan Vesely [this message]
2013-07-12 15:52 ` [PATCH v4 1/2] block: factor out vector mergeable decision to a helper function Jan Vesely
2013-07-12 15:52 ` [PATCH v4 2/2] block: modify __bio_add_page check to accept pages that don't start a new segment Jan Vesely
2013-07-26 10:41 ` [PATCH v4 0/2] block: Fix regression since 46081b166415acb66d4b3150ecefcd9460bb48a1 (was: Allow merging of tail pages into the last segment) Jan Vesely
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