linux-ext4 - [PATCH 23/29] xfs: don't print warn info for -EAGAIN error in xfs_buf_get

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Message-Id: <20230825135431.1317785-24-hao.xu@linux.dev>
Date:   Fri, 25 Aug 2023 21:54:25 +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 23/29] xfs: don't print warn info for -EAGAIN error in  xfs_buf_get_map()

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

-EAGAIN is internal error to indicate a retry, no needs to print a
warn.

Signed-off-by: Hao Xu <howeyxu@...cent.com>
---
 fs/xfs/xfs_buf.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 57bdc4c5dde1..cdad80e1ae25 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -730,9 +730,10 @@ xfs_buf_get_map(
 	if (!bp->b_addr) {
 		error = _xfs_buf_map_pages(bp, flags);
 		if (unlikely(error)) {
-			xfs_warn_ratelimited(btp->bt_mount,
-				"%s: failed to map %u pages", __func__,
-				bp->b_page_count);
+			if (error != -EAGAIN)
+				xfs_warn_ratelimited(btp->bt_mount,
+					"%s: failed to map %u pages", __func__,
+					bp->b_page_count);
 			xfs_buf_relse(bp);
 			return error;
 		}
-- 
2.25.1