From: David Howells <dhowells@redhat.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: dhowells@redhat.com, JeffleXu <jefflexu@linux.alibaba.com>,
linux-cachefs@redhat.com, xiang@kernel.org, chao@kernel.org,
linux-erofs@lists.ozlabs.org, torvalds@linux-foundation.org,
gregkh@linuxfoundation.org, linux-fsdevel@vger.kernel.org,
joseph.qi@linux.alibaba.com, bo.liu@linux.alibaba.com,
tao.peng@linux.alibaba.com, gerry@linux.alibaba.com,
eguan@linux.alibaba.com, linux-kernel@vger.kernel.org,
luodaowen.backend@bytedance.com
Subject: Re: [PATCH v5 03/22] cachefiles: introduce on-demand read mode
Date: Mon, 21 Mar 2022 15:30:52 +0000 [thread overview]
Message-ID: <1035025.1647876652@warthog.procyon.org.uk> (raw)
In-Reply-To: <YjiX5oXYkmN6WrA3@casper.infradead.org>
Matthew Wilcox <willy@infradead.org> wrote:
> Absolutely; just use xa_lock() to protect both setting & testing the
> flag.
How should Jeffle deal with xarray dropping the lock internally in order to do
an allocation and then taking it again (actually in patch 5)?
David
next prev parent reply other threads:[~2022-03-21 15:31 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 13:17 [PATCH v5 00/22] fscache,erofs: fscache-based on-demand read semantics Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 01/22] fscache: export fscache_end_operation() Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 02/22] cachefiles: extract write routine Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 03/22] cachefiles: introduce on-demand read mode Jeffle Xu
2022-03-21 13:40 ` Matthew Wilcox
2022-03-21 14:08 ` JeffleXu
2022-03-21 14:26 ` Matthew Wilcox
2022-03-21 15:18 ` JeffleXu
2022-03-21 15:21 ` Matthew Wilcox
2022-03-21 15:30 ` David Howells [this message]
2022-03-22 17:04 ` Matthew Wilcox
2022-03-23 5:32 ` JeffleXu
2022-03-21 14:14 ` David Howells
2022-03-21 14:20 ` [Linux-cachefs] " Gao Xiang
2022-03-16 13:17 ` [PATCH v5 04/22] cachefiles: notify user daemon with anon_fd when looking up cookie Jeffle Xu
2022-03-16 19:37 ` kernel test robot
2022-03-16 13:17 ` [PATCH v5 05/22] cachefiles: notify user daemon when withdrawing cookie Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 06/22] cachefiles: implement on-demand read Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 07/22] cachefiles: document on-demand read mode Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 08/22] erofs: use meta buffers for erofs_read_superblock() Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 09/22] erofs: make erofs_map_blocks() generally available Jeffle Xu
2022-03-17 5:35 ` [Linux-cachefs] " Gao Xiang
2022-03-16 13:17 ` [PATCH v5 10/22] erofs: add mode checking helper Jeffle Xu
2022-03-17 5:36 ` [Linux-cachefs] " Gao Xiang
2022-03-18 5:26 ` JeffleXu
2022-03-16 13:17 ` [PATCH v5 11/22] erofs: register global fscache volume Jeffle Xu
2022-03-16 21:52 ` kernel test robot
2022-03-17 1:49 ` kernel test robot
2022-03-16 13:17 ` [PATCH v5 12/22] erofs: add cookie context helper functions Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 13/22] erofs: add anonymous inode managing page cache of blob file Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 14/22] erofs: add erofs_fscache_read_pages() helper Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 15/22] erofs: register cookie context for bootstrap blob Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 16/22] erofs: implement fscache-based metadata read Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 17/22] erofs: implement fscache-based data read for non-inline layout Jeffle Xu
2022-03-17 6:18 ` [Linux-cachefs] " Gao Xiang
2022-03-18 5:29 ` JeffleXu
2022-03-16 13:17 ` [PATCH v5 18/22] erofs: implement fscache-based data read for inline layout Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 19/22] erofs: register cookie context for data blobs Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 20/22] erofs: implement fscache-based data read " Jeffle Xu
2022-03-16 13:17 ` [PATCH v5 21/22] erofs: implement fscache-based data readahead Jeffle Xu
2022-03-17 5:22 ` Gao Xiang
2022-03-18 5:41 ` JeffleXu
2022-03-16 13:17 ` [PATCH v5 22/22] erofs: add 'uuid' mount option Jeffle Xu
2022-03-21 13:34 ` [PATCH v5 03/22] cachefiles: introduce on-demand read mode David Howells
2022-03-21 14:16 ` JeffleXu
2022-03-21 14:01 ` [PATCH v5 04/22] cachefiles: notify user daemon with anon_fd when looking up cookie David Howells
2022-03-21 14:43 ` JeffleXu
2022-03-21 14:05 ` [PATCH v5 06/22] cachefiles: implement on-demand read David Howells
2022-03-21 14:51 ` JeffleXu
2022-03-21 14:20 ` [PATCH v5 05/22] cachefiles: notify user daemon when withdrawing cookie David Howells
2022-03-21 14:31 ` JeffleXu
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