Hello, I decided to test the 'defragment' feature on my system (after a huge number of system updates and prelinking):
find /bin /sbin /lib /usr/lib /usr/bin /usr/sbin -type d -exec btrfs
filesystem defragment '{}' '+'
I have already defragmented a couple of (very large) directories with no errors
at all, so this was expected to work somehow. Surprisingly, this time there
were thousands of messages like this:
ioctl failed on <directory name> ret -1 errno 28
Most of the reported directories had zero files/subdirectories. However, *most*
of them were *not* empty...
What does this error message mean? Could someone shed more light on this,
please? Should I get ready for a bad crash? ;-) (There seems to be no data loss
so far. No new messages in dmesg, no unexpected system behavior.)
Andrej
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