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Groups > linux.kernel > #1506301

Re: bio linked list corruption.

From Dave Jones <davej@codemonkey.org.uk>
Newsgroups linux.kernel
Subject Re: bio linked list corruption.
Date 2016-10-21 23:20 +0200
Message-ID <suPom-2G3-19@gated-at.bofh.it> (permalink)
References (5 earlier) <suOiB-20g-13@gated-at.bofh.it> <suOBY-2ad-5@gated-at.bofh.it> <suOBY-2ad-3@gated-at.bofh.it> <suPom-2G3-21@gated-at.bofh.it> <suPom-2G3-23@gated-at.bofh.it>
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On Fri, Oct 21, 2016 at 04:41:09PM -0400, Josef Bacik wrote:

 > >>  >
 > >>  > btrfs inspect inode 130654 mntpoint
 > >>
 > >> Interesting, they all return
 > >>
 > >> ERROR: ino paths ioctl: No such file or directory
 > >>
 > >> So these files got deleted perhaps ?
 > >>
 > > Yeah, they must have.
 > >
 > 
 > So one thing that will cause spurious csum errors is if you do things like 
 > change the memory while it is in flight during O_DIRECT.  Does trinity do that? 
 > If so then that would explain it.  If not we should probably dig into it.  Thanks,

Yeah, that's definitely possible. And it wasn't that long ago I added
some code to always open testfiles multiple times with different modes,
so the likely of O_DIRECT went up. That would explain why I've started
seeing this more.

	Dave

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Thread

Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-19 00:50 +0200
  Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 01:40 +0200
    Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 02:20 +0200
      Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 02:30 +0200
        Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 00:50 +0200
      Re: bio linked list corruption. Andy Lutomirski <luto@kernel.org> - 2016-10-19 03:10 +0200
        Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 01:00 +0200
          Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 01:10 +0200
            Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-21 01:30 +0200
              Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 22:10 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 22:30 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 23:20 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-22 17:30 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-24 06:50 +0200
                Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-24 22:10 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-24 22:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-24 23:20 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-25 00:00 +0200
                Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-25 00:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-25 02:10 +0200
                Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-25 03:20 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 02:30 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 03:40 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 03:40 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 18:40 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 18:50 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 20:20 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 20:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 21:10 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 00:10 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 00:30 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 00:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:00 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:00 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:10 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:50 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:10 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:10 +0200
          Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-21 01:10 +0200
    Re: bio linked list corruption. Philipp Hahn <pmhahn@pmhahn.de> - 2016-10-19 19:10 +0200
      Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 19:50 +0200
        Re: bio linked list corruption. Ingo Molnar <mingo@kernel.org> - 2016-10-20 09:00 +0200
          Re: bio linked list corruption. Thomas Gleixner <tglx@linutronix.de> - 2016-10-20 09:30 +0200

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