linux-ext4 - "beyond 2038" warnings from loopback mount is noisy

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Message-ID: <1567523922.5576.57.camel@lca.pw>
Date:   Tue, 03 Sep 2019 11:18:42 -0400
From:   Qian Cai <cai@....pw>
To:     Deepa Dinamani <deepa.kernel@...il.com>,
        Jeff Layton <jlayton@...nel.org>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        tytso@....edu, linux-ext4@...r.kernel.org
Subject: "beyond 2038" warnings from loopback mount is noisy

https://lore.kernel.org/linux-fsdevel/20190818165817.32634-5-deepa.kernel@gmail.
com/

Running only a subset of the LTP testsuite on today's linux-next with the above
commit is now generating ~800 warnings on this machine which seems a bit crazy.

[ 2130.970782] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#40961: comm statx04: inode does not support timestamps beyond 2038
[ 2130.970808] EXT4-fs warning (device loop0): ext4_do_update_inode:5262: inode
#40961: comm statx04: inode does not support timestamps beyond 2038
[ 2130.970838] EXT4-fs warning (device loop0): ext4_do_update_inode:5263: inode
#40961: comm statx04: inode does not support timestamps beyond 2038
[ 2130.971440] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#40961: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847613] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847647] EXT4-fs warning (device loop0): ext4_do_update_inode:5262: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847681] EXT4-fs warning (device loop0): ext4_do_update_inode:5263: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847717] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847774] EXT4-fs warning (device loop0): ext4_do_update_inode:5262: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847817] EXT4-fs warning (device loop0): ext4_do_update_inode:5263: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847909] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.847970] EXT4-fs warning (device loop0): ext4_do_update_inode:5262: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.848004] EXT4-fs warning (device loop0): ext4_do_update_inode:5263: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2131.848415] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#32769: comm statx04: inode does not support timestamps beyond 2038
[ 2134.753752] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.753783] EXT4-fs warning (device loop0): ext4_do_update_inode:5262: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.753814] EXT4-fs warning (device loop0): ext4_do_update_inode:5263: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.753847] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.753889] EXT4-fs warning (device loop0): ext4_do_update_inode:5262: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.753929] EXT4-fs warning (device loop0): ext4_do_update_inode:5263: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.754021] EXT4-fs warning (device loop0): ext4_do_update_inode:5261: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.754064] EXT4-fs warning (device loop0): ext4_do_update_inode:5262: inode
#12: comm statx05: inode does not support timestamps beyond 2038
[ 2134.754105] EXT4-fs warning (device loop0): ext4_do_update_inode:5263: inode
#12: comm statx05: inode does not support timestamps beyond 2038