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[Bug libc/12868] New: getconf returns incorrect FILESIZEBITS for Lustre filesystem
- From: "adilger.redhat at dilger dot ca" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Thu, 9 Jun 2011 22:22:13 +0000
- Subject: [Bug libc/12868] New: getconf returns incorrect FILESIZEBITS for Lustre filesystem
- Auto-submitted: auto-generated
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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