[Bug libc/12868] New: getconf returns incorrect FILESIZEBITS for Lustre filesystem

[Bug libc/12868] New: getconf returns incorrect FILESIZEBITS for Lustre filesystem

[adilger.redhat at dilger dot ca]

http://sourceware.org/bugzilla/show_bug.cgi?id=12868

           Summary: getconf returns incorrect FILESIZEBITS for Lustre
                    filesystem
           Product: glibc
           Version: 2.14
            Status: NEW
          Severity: minor
          Priority: P2
         Component: libc
        AssignedTo: drepper.fsp@gmail.com
        ReportedBy: adilger.redhat@dilger.ca


Created attachment 5782
  --> http://sourceware.org/bugzilla/attachment.cgi?id=5782
Add Lustre filesystem to getconf/pathconf/statvfs

Due to the way getconf is implemented, it needs to explicitly list each
filesystem type in order to determine the correct FILESIZEBITS and
LINK_MAX values to use for each filesystem.

Attached is a patch against glibc-2.14-9-g29f6547, though it also
patches at least as far back as glibc-2.12.



Add Lustre filesystem to getconf/pathconf/statvfs

Add definitions of LUSTRE_SUPER_MAGIC and LUSTRE_LINK_MAX, and add
detection into __statfs_filesize_max(), __statvfs_getflags(), and
__statfs_link_max() so that getconf(), pathconf(), statvfs(), etc.
can detect this filesystem type correctly.

The LUSTRE_SUPER_MAGIC type is already handled by coreutils, but
it seems that coreutils and glibc do not share the magic values.

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[Bug libc/12868] getconf returns incorrect FILESIZEBITS for Lustre filesystem

[drepper.fsp at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12868

--- Comment #1 from Ulrich Drepper <drepper.fsp at gmail dot com> 2011-07-07 04:21:26 UTC ---
I've applied the patch with a tiny change.

Next time update the copyright year in the files and pay attention to the file
encoding.

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[Bug libc/12868] getconf returns incorrect FILESIZEBITS for Lustre filesystem

[drepper.fsp at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12868

Ulrich Drepper <drepper.fsp at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #2 from Ulrich Drepper <drepper.fsp at gmail dot com> 2011-12-23 15:07:33 UTC ---
Should have been closed already.

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[Bug libc/12868] getconf returns incorrect FILESIZEBITS for Lustre filesystem

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=12868

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |security-

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