From: Jeffle Xu <jefflexu@linux.alibaba.com> To: dhowells@redhat.com, linux-cachefs@redhat.com, xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org Cc: 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 Subject: [PATCH v1 23/23] erofs: support on demand read Date: Mon, 27 Dec 2021 20:54:44 +0800 [thread overview] Message-ID: <20211227125444.21187-24-jefflexu@linux.alibaba.com> (raw) In-Reply-To: <20211227125444.21187-1-jefflexu@linux.alibaba.com> Implement .issue_op() callback to support demand reading. Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com> --- fs/erofs/fscache.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c index 7d4f6682e521..bd64dbe1b0be 100644 --- a/fs/erofs/fscache.c +++ b/fs/erofs/fscache.c @@ -18,13 +18,7 @@ static void erofs_priv_cleanup(struct address_space *mapping, void *netfs_priv) static void erofs_issue_op(struct netfs_read_subrequest *subreq) { - /* - * TODO: implement demand-read logic later. - * We rely on user daemon to prepare blob files under corresponding - * directory, and we can reach here if blob files don't exist. - */ - - netfs_subreq_terminated(subreq, -EOPNOTSUPP, false); + netfs_demand_read(subreq); } const struct netfs_read_request_ops erofs_req_ops = { -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Jeffle Xu <jefflexu@linux.alibaba.com> To: dhowells@redhat.com, linux-cachefs@redhat.com, xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org Cc: tao.peng@linux.alibaba.com, linux-kernel@vger.kernel.org, joseph.qi@linux.alibaba.com, bo.liu@linux.alibaba.com, linux-fsdevel@vger.kernel.org, eguan@linux.alibaba.com, gerry@linux.alibaba.com Subject: [PATCH v1 23/23] erofs: support on demand read Date: Mon, 27 Dec 2021 20:54:44 +0800 [thread overview] Message-ID: <20211227125444.21187-24-jefflexu@linux.alibaba.com> (raw) In-Reply-To: <20211227125444.21187-1-jefflexu@linux.alibaba.com> Implement .issue_op() callback to support demand reading. Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com> --- fs/erofs/fscache.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c index 7d4f6682e521..bd64dbe1b0be 100644 --- a/fs/erofs/fscache.c +++ b/fs/erofs/fscache.c @@ -18,13 +18,7 @@ static void erofs_priv_cleanup(struct address_space *mapping, void *netfs_priv) static void erofs_issue_op(struct netfs_read_subrequest *subreq) { - /* - * TODO: implement demand-read logic later. - * We rely on user daemon to prepare blob files under corresponding - * directory, and we can reach here if blob files don't exist. - */ - - netfs_subreq_terminated(subreq, -EOPNOTSUPP, false); + netfs_demand_read(subreq); } const struct netfs_read_request_ops erofs_req_ops = { -- 2.27.0
next prev parent reply other threads:[~2021-12-27 12:55 UTC|newest] Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-27 12:54 [PATCH v1 00/23] fscache,erofs: fscache-based demand-read semantics Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 01/23] cachefiles: add cachefiles_demand devnode Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-28 2:47 ` Joseph Qi 2021-12-28 2:47 ` Joseph Qi 2021-12-28 12:34 ` JeffleXu 2021-12-28 12:34 ` JeffleXu 2021-12-27 12:54 ` [PATCH v1 02/23] cachefiles: add mode command to distinguish modes Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 03/23] cachefiles: detect backing file size in demand-read mode Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 04/23] netfs: make ops->init_rreq() optional Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 05/23] netfs: add inode parameter to netfs_alloc_read_request() Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2022-01-04 14:00 ` Gao Xiang 2022-01-04 14:00 ` Gao Xiang 2022-01-13 3:10 ` [Linux-cachefs] " JeffleXu 2022-01-13 3:10 ` JeffleXu 2022-01-13 12:09 ` Gao Xiang 2022-01-13 12:09 ` Gao Xiang 2021-12-27 12:54 ` [PATCH v1 06/23] erofs: export erofs_map_blocks() Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 07/23] erofs: add nodev mode Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2022-01-04 14:33 ` Gao Xiang 2022-01-04 14:33 ` Gao Xiang 2022-01-04 14:58 ` Gao Xiang 2022-01-04 14:58 ` Gao Xiang 2022-01-05 9:04 ` JeffleXu 2021-12-27 12:54 ` [PATCH v1 08/23] erofs: register global fscache volume Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 09/23] erofs: add cookie context helper functions Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 10/23] erofs: add anonymous inode managing page cache of blob file Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 11/23] erofs: register cookie context for bootstrap Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 12/23] erofs: implement fscache-based metadata read Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 17:07 ` kernel test robot 2021-12-27 17:07 ` kernel test robot 2021-12-27 17:07 ` kernel test robot 2021-12-27 17:17 ` kernel test robot 2021-12-27 17:17 ` kernel test robot 2021-12-27 17:17 ` kernel test robot 2021-12-27 12:54 ` [PATCH v1 13/23] erofs: implement fscache-based data read Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2022-01-03 6:32 ` JeffleXu 2022-01-03 6:32 ` JeffleXu 2022-01-04 14:40 ` Gao Xiang 2022-01-04 14:40 ` Gao Xiang 2022-01-05 2:29 ` JeffleXu 2021-12-27 12:54 ` [PATCH v1 14/23] erofs: register cookie context for data blobs Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 15/23] erofs: implement fscache-based data read " Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 16/23] erofs: add 'uuid' mount option Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 17/23] netfs: support on demand read Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 18/23] cachefiles: use idr tree managing pending " Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 19/23] cachefiles: implement .demand_read() for " Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 15:32 ` kernel test robot 2021-12-27 15:32 ` kernel test robot 2021-12-27 15:32 ` kernel test robot 2021-12-27 15:36 ` Matthew Wilcox 2021-12-27 15:36 ` Matthew Wilcox 2021-12-28 12:33 ` JeffleXu 2021-12-28 12:33 ` JeffleXu 2022-01-12 9:02 ` JeffleXu 2022-01-12 9:02 ` JeffleXu 2022-01-19 13:20 ` Matthew Wilcox 2022-01-19 13:20 ` Matthew Wilcox 2022-01-20 12:43 ` JeffleXu 2022-01-20 12:43 ` JeffleXu 2021-12-27 15:55 ` kernel test robot 2021-12-27 15:55 ` kernel test robot 2021-12-27 15:55 ` kernel test robot 2021-12-27 12:54 ` [PATCH v1 20/23] cachefiles: implement .poll() " Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 21/23] cachefiles: implement .read() " Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` [PATCH v1 22/23] cachefiles: add done command " Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu 2021-12-27 12:54 ` Jeffle Xu [this message] 2021-12-27 12:54 ` [PATCH v1 23/23] erofs: support on " Jeffle Xu
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