linux-kernel - [PATCH] ext4: Reduce ext4 timestamp warnings

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Message-Id: <20190904150251.27004-1-deepa.kernel@gmail.com>
Date:   Wed,  4 Sep 2019 08:02:51 -0700
From:   Deepa Dinamani <deepa.kernel@...il.com>
To:     arnd@...db.de, linux-kernel@...r.kernel.org
Cc:     tytso@....edu, adilger.kernel@...ger.ca, cai@....pw,
        deepa.kernel@...il.com, jlayton@...nel.org,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        viro@...iv.linux.org.uk
Subject: [PATCH] ext4: Reduce ext4 timestamp warnings

When ext4 file systems were created intentionally with 128 byte inodes,
the rate-limited warning of eventual possible timestamp overflow are
still emitted rather frequently.  Remove the warning for now.

Discussion for whether any warning is needed,
and where it should be emitted, can be found at
https://lore.kernel.org/lkml/1567523922.5576.57.camel@lca.pw/.
I can post a separate follow-up patch after the conclusion.

Reported-by: Qian Cai <cai@....pw>
Signed-off-by: Deepa Dinamani <deepa.kernel@...il.com>
---
 fs/ext4/ext4.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 9e3ae3be3de9..24b14bd3feab 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -833,10 +833,8 @@ do {										\
 		(raw_inode)->xtime ## _extra =					\
 				ext4_encode_extra_time(&(inode)->xtime);	\
 		}								\
-	else	{\
+	else	\
 		(raw_inode)->xtime = cpu_to_le32(clamp_t(int32_t, (inode)->xtime.tv_sec, S32_MIN, S32_MAX));	\
-		ext4_warning_inode(inode, "inode does not support timestamps beyond 2038"); \
-	} \
 } while (0)
 
 #define EXT4_EINODE_SET_XTIME(xtime, einode, raw_inode)			       \
-- 
2.17.1