@hggdh: I marked it as confirmed because it has been reproduced by other
people who reported their findings on the link I provided.
I have written a short test program that just calls statvfs on a
mountpoint and a FUSE filesystem that just hangs for 10 seconds when
statvfs is called. According to my tests, the statvfs bug has been
fixed:
$ ./hang_on_statvfs tmp/ # this fs will hang for 10 seconds on statvfs()
$ ./hello tmp2/ # this one won't
$ $ time ./stattest / # stattest just calls statvfs
Running statvfs('/')
real 0m0.002s
user 0m0.000s
sys 0m0.004s
$ time ./stattest tmp2/hello
Running statvfs('tmp2/hello')
real 0m0.002s
user 0m0.004s
sys 0m0.000s
$ time ./stattest tmp/hello
Running statvfs('tmp/hello')
real 0m10.002s
user 0m0.000s
sys 0m0.004s
I don't feel confident enough to replace my libc with older versions though to
test since when this has been fixed.
** Attachment added: "hang_on_statvfs.c"
http://launchpadlibrarian.net/30254857/hang_on_statvfs.c
--
stat reports wrong fundamental block size
https://bugs.launchpad.net/bugs/412069
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