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Message-ID: <20240620173137.610345-2-dhowells@redhat.com>
Date: Thu, 20 Jun 2024 18:31:19 +0100
From: David Howells <dhowells@...hat.com>
To: Christian Brauner <christian@...uner.io>,
Steve French <smfrench@...il.com>,
Matthew Wilcox <willy@...radead.org>
Cc: David Howells <dhowells@...hat.com>,
Jeff Layton <jlayton@...nel.org>,
Gao Xiang <hsiangkao@...ux.alibaba.com>,
Dominique Martinet <asmadeus@...ewreck.org>,
Marc Dionne <marc.dionne@...istor.com>,
Paulo Alcantara <pc@...guebit.com>,
Shyam Prasad N <sprasad@...rosoft.com>,
Tom Talpey <tom@...pey.com>,
Eric Van Hensbergen <ericvh@...nel.org>,
Ilya Dryomov <idryomov@...il.com>,
netfs@...ts.linux.dev,
linux-afs@...ts.infradead.org,
linux-cifs@...r.kernel.org,
linux-nfs@...r.kernel.org,
ceph-devel@...r.kernel.org,
v9fs@...ts.linux.dev,
linux-erofs@...ts.ozlabs.org,
linux-fsdevel@...r.kernel.org,
linux-mm@...ck.org,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
Steve French <stfrench@...rosoft.com>,
Enzo Matsumiya <ematsumiya@...e.de>,
Christian Brauner <brauner@...nel.org>
Subject: [PATCH 01/17] netfs: Fix io_uring based write-through
[This was included in v2 of 9b038d004ce95551cb35381c49fe896c5bc11ffe, but
v1 got pushed instead]
Fix netfs_unbuffered_write_iter_locked() to set the total request length in
the netfs_io_request struct rather than leaving it as zero.
Fixes: 288ace2f57c9 ("netfs: New writeback implementation")
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Jeff Layton <jlayton@...nel.org>
cc: Steve French <stfrench@...rosoft.com>
cc: Enzo Matsumiya <ematsumiya@...e.de>
cc: Christian Brauner <brauner@...nel.org>
cc: netfs@...ts.linux.dev
cc: v9fs@...ts.linux.dev
cc: linux-afs@...ts.infradead.org
cc: linux-cifs@...r.kernel.org
cc: linux-fsdevel@...r.kernel.org
---
fs/netfs/direct_write.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/netfs/direct_write.c b/fs/netfs/direct_write.c
index e14cd53ac9fd..88f2adfab75e 100644
--- a/fs/netfs/direct_write.c
+++ b/fs/netfs/direct_write.c
@@ -92,8 +92,9 @@ ssize_t netfs_unbuffered_write_iter_locked(struct kiocb *iocb, struct iov_iter *
__set_bit(NETFS_RREQ_UPLOAD_TO_SERVER, &wreq->flags);
if (async)
wreq->iocb = iocb;
+ wreq->len = iov_iter_count(&wreq->io_iter);
wreq->cleanup = netfs_cleanup_dio_write;
- ret = netfs_unbuffered_write(wreq, is_sync_kiocb(iocb), iov_iter_count(&wreq->io_iter));
+ ret = netfs_unbuffered_write(wreq, is_sync_kiocb(iocb), wreq->len);
if (ret < 0) {
_debug("begin = %zd", ret);
goto out;
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