linux-kernel - [PATCH 18/29] xfs: set XBF_NOWAIT for xfs_buf_read

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Message-Id: <20230825135431.1317785-19-hao.xu@linux.dev>
Date:   Fri, 25 Aug 2023 21:54:20 +0800
From:   Hao Xu <hao.xu@...ux.dev>
To:     io-uring@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Cc:     Dominique Martinet <asmadeus@...ewreck.org>,
        Pavel Begunkov <asml.silence@...il.com>,
        Christian Brauner <brauner@...nel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Stefan Roesch <shr@...com>, Clay Harris <bugs@...ycon.org>,
        Dave Chinner <david@...morbit.com>,
        "Darrick J . Wong" <djwong@...nel.org>,
        linux-fsdevel@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-cachefs@...hat.com,
        ecryptfs@...r.kernel.org, linux-nfs@...r.kernel.org,
        linux-unionfs@...r.kernel.org, bpf@...r.kernel.org,
        netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-btrfs@...r.kernel.org, codalist@...a.cs.cmu.edu,
        linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com,
        linux-mm@...ck.org, linux-nilfs@...r.kernel.org,
        devel@...ts.orangefs.org, linux-cifs@...r.kernel.org,
        samba-technical@...ts.samba.org, linux-mtd@...ts.infradead.org,
        Wanpeng Li <wanpengli@...cent.com>
Subject: [PATCH 18/29] xfs: set XBF_NOWAIT for xfs_buf_read_map if necessary

From: Hao Xu <howeyxu@...cent.com>

Set XBF_NOWAIT for xfs_buf_read_map() if necessary.

Signed-off-by: Hao Xu <howeyxu@...cent.com>
---
 fs/xfs/xfs_trans_buf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 6549e50d852c..016371f58f26 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -286,6 +286,8 @@ xfs_trans_read_buf_map(
 		return 0;
 	}
 
+	if (tp && (tp->t_flags & XFS_TRANS_NOWAIT))
+		flags |= XBF_NOWAIT;
 	error = xfs_buf_read_map(target, map, nmaps, flags, &bp, ops,
 			__return_address);
 	switch (error) {
-- 
2.25.1