Il 2020-09-21 15:45 Andreas Gruenbacher ha scritto:
On Mon, Sep 21, 2020 at 3:40 PM Pierre-Philipp Braun
<pbraun@xxxxxxxxxxxx> wrote:
In case it matters, I am using vanilla Linux 4.18.20 and not the RHEL
nor CentOS with patches.
It seem that 4.18.20 is missing the relevant parts of the following
fixes:
a27a0c9b6a2 ("gfs2: gfs2_walk_metadata fix")
566a2ab3c90 ("gfs2: Another gfs2_walk_metadata fix")
Without those fixes, lseek SEEK_HOLE/SEEK_DATa will sometimes report
garbage, and so cp doesn't know what to copy.
Andreas
Well, I was just sitting down to create two CentOS 8.2 box for testing,
but I really think this explains the issue reported by Pierre-Philipp.
Thanks so much for these valuable information!
Can you confirm that RHEL 8.x includes the above patches?
Regards.
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