From: Hsin-Yi Wang <hsinyi@chromium.org>
To: Phillip Lougher <phillip@squashfs.org.uk>,
Matthew Wilcox <willy@infradead.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Xiongwei Song <Xiongwei.Song@windriver.com>,
Zheng Liang <zhengliang6@huawei.com>,
Zhang Yi <yi.zhang@huawei.com>, Hou Tao <houtao1@huawei.com>,
Miao Xie <miaoxie@huawei.com>,
"linux-mm @ kvack . org" <linux-mm@kvack.org>,
"squashfs-devel @ lists . sourceforge . net"
<squashfs-devel@lists.sourceforge.net>,
linux-kernel@vger.kernel.org
Subject: [PATCH v7 0/4] Implement readahead for squashfs
Date: Fri, 17 Jun 2022 16:38:07 +0800 [thread overview]
Message-ID: <20220617083810.337573-1-hsinyi@chromium.org> (raw)
Commit 9eec1d897139("squashfs: provide backing_dev_info in order to
disable read-ahead") mitigates the performance drop issue for squashfs
by closing readahead for it.
This series implements readahead callback for squashfs. The previous
discussions are in [1] and [2].
[1]
https://lore.kernel.org/all/CAJMQK-g9G6KQmH-V=BRGX0swZji9Wxe_2c7ht-MMAapdFy2pXw@mail.gmail.com/T/
[2]
https://lore.kernel.org/linux-mm/Yn5Yij9pRPCzDozt@casper.infradead.org/t/#m4af4473b94f98a4996cb11756b633a07e5e059d1
v7 adds the patch to support reading fragments in readahead call[3]. No
changes on other patches since v6, which is included in next-20220617.
[3]
https://patchwork.kernel.org/project/linux-mm/patch/20220617030345.24712-1-phillip@squashfs.org.uk/
Hsin-Yi Wang (2):
Revert "squashfs: provide backing_dev_info in order to disable
read-ahead"
squashfs: implement readahead
Phillip Lougher (2):
squashfs: always build "file direct" version of page actor
squashfs: support reading fragments in readahead call
fs/squashfs/Makefile | 4 +-
fs/squashfs/file.c | 133 ++++++++++++++++++++++++++++++++++++++-
fs/squashfs/page_actor.h | 46 --------------
fs/squashfs/super.c | 33 ----------
4 files changed, 134 insertions(+), 82 deletions(-)
--
2.36.1.476.g0c4daa206d-goog
next reply other threads:[~2022-06-17 8:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-17 8:38 Hsin-Yi Wang [this message]
2022-06-17 8:38 ` [PATCH v7 1/4] Revert "squashfs: provide backing_dev_info in order to disable read-ahead" Hsin-Yi Wang
2022-06-17 8:38 ` [PATCH v7 2/4] squashfs: always build "file direct" version of page actor Hsin-Yi Wang
2022-06-17 8:38 ` [PATCH v7 3/4] squashfs: implement readahead Hsin-Yi Wang
2022-06-17 8:38 ` [PATCH v7 4/4] squashfs: support reading fragments in readahead call Hsin-Yi Wang
2022-06-21 2:36 ` [PATCH v7 0/4] Implement readahead for squashfs Phillip Lougher
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