linux-kernel - [RFC 19/19] erofs: support on demand read

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 10 Dec 2021 15:36:19 +0800
From:   Jeffle Xu <jefflexu@...ux.alibaba.com>
To:     dhowells@...hat.com, linux-cachefs@...hat.com, xiang@...nel.org,
        chao@...nel.org, linux-erofs@...ts.ozlabs.org
Cc:     linux-fsdevel@...r.kernel.org, joseph.qi@...ux.alibaba.com,
        bo.liu@...ux.alibaba.com, tao.peng@...ux.alibaba.com,
        gerry@...ux.alibaba.com, eguan@...ux.alibaba.com,
        linux-kernel@...r.kernel.org
Subject: [RFC 19/19] erofs: support on demand read

Signed-off-by: Jeffle Xu <jefflexu@...ux.alibaba.com>
---
 fs/erofs/fscache.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index c849d3a89520..3d254cf7a0e3 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -83,9 +83,15 @@ static void erofs_priv_cleanup(struct address_space *mapping, void *netfs_priv)
 {
 }
 
+static void erofs_issue_op(struct netfs_read_subrequest *subreq)
+{
+	netfs_demand_read(subreq);
+}
+
 const struct netfs_read_request_ops erofs_req_ops = {
 	.begin_cache_operation  = erofs_begin_cache_operation,
 	.cleanup		= erofs_priv_cleanup,
+	.issue_op		= erofs_issue_op,
 };
 
 struct page *erofs_readpage_from_fscache(struct fscache_cookie *cookie,
-- 
2.27.0