[LU-10174] Lustre master (pre-2.11) fails to build against ZFS 0.6.5.7

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.11.0, Lustre 2.10.6
• Labels: zfs
• Severity: 3
• Assignee: Nathaniel Clark
• Reporter: Nathaniel Clark

Description

Because of patch https://review.whamcloud.com/29242, master no longer builds against older ZFS versions:

/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs/osd_handler.c: In function 'osd_objset_unregister_callbacks':
/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs/osd_handler.c:808: error: 'ZFS_PROP_DNODESIZE' undeclared (first use in this function)
/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs/osd_handler.c:808: error: (Each undeclared identifier is reported only once
/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs/osd_handler.c:808: error: for each function it appears in.)
/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs/osd_handler.c: In function 'osd_objset_register_callbacks':
/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs/osd_handler.c:846: error: 'ZFS_PROP_DNODESIZE' undeclared (first use in this function)
make[7]: *** [/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs/osd_handler.o] Error 1
make[6]: *** [/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre/osd-zfs] Error 2
make[6]: *** Waiting for unfinished jobs....
make[5]: *** [/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3/lustre] Error 2
make[4]: *** [_module_/tmp/rpmbuild-lustre-buildbot-g81fI3Fo/BUILD/lustre-2.10.54_43_gc2c9be3] Error 2
make[3]: *** [modules] Error 2
make[2]: *** [all-recursive] Error 1
make[1]: *** [all] Error 2

The build.lustre.org buildbot has run into this:
http://build.lustre.org/builders/CentOS%206.7%20x86_64%20%28BUILD%29/builds/11876/steps/shell_4/logs/stdio