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4.7.0-rc7 ext4 error in dx_probe

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Hi,

I'm running 4.7.0-rc7 with ext4 on lvm on dm-crypt on SSD
and out of the blue on idle machine the following error
message appeared:

[373851.683131] EXT4-fs (dm-3): error count since last fsck: 1
[373851.683151] EXT4-fs (dm-3): initial error at time 1468438194: dx_probe:740: inode 22288562
[373851.683158] EXT4-fs (dm-3): last error at time 1468438194: dx_probe:740: inode 22288562

inode 22288562 is a directory with ~800 small files in it,
but AFAICT nothing was accessing it, no cron job running etc.
No further error message was logged.  Accessing the directory
and the files in it also gives no further errors.

Searching back in the log at date -d @1468438194 I found:

Jul 13 21:29:54 foo kernel: EXT4-fs error (device dm-3): dx_probe:740: inode #22288562: comm git: Directory index failed checksum


Time to run fsck?  Is it the consequence of a previous crash
(I had many recently)?


Johannes

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4.7.0-rc7 ext4 error in dx_probe Johannes Stezenbach <js@sig21.net> - 2016-07-18 13:00 +0200
  Re: 4.7.0-rc7 ext4 error in dx_probe Theodore Ts'o <tytso@mit.edu> - 2016-07-18 15:40 +0200
    Re: 4.7.0-rc7 ext4 error in dx_probe Johannes Stezenbach <js@sig21.net> - 2016-07-18 16:20 +0200

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