On Sat, 24 Nov 2012, Stefan Priebe - Profihost AG wrote: > At the machine compiling? Yes! Hmm, I just tested on my wonky wheezy machine (glibc 2.13, 3.2) and system(SYS_syncfs, ..) works for me. But the #define is in libc6-dev: vapre:src 08:57 AM $ grep -r SYS_syncfs /usr/include /usr/include/x86_64-linux-gnu/bits/syscall.h:#define SYS_syncfs __NR_syncfs vapre:src 08:57 AM $ dpkg -S /usr/include/x86_64-linux-gnu/bits/syscall.h libc6-dev:amd64: /usr/include/x86_64-linux-gnu/bits/syscall.h vapre:src 09:11 AM $ dpkg -l libc6-dev Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Description +++-============================-============================-======================================================================== ii libc6-dev:amd64 2.13-33 Embedded GNU C Library: Development Libraries and Header Files Where does SYS_syncfs come from on your machine? sage > > Am 24.11.2012 um 04:07 schrieb Sage Weil <sage@xxxxxxxxxxx>: > > > On Fri, 23 Nov 2012, Stefan Priebe - Profihost AG wrote: > >> Hello list, > >> > >> i've seen that next branch caontains the "Try using syscall() for syncfs if > >> not supported directly by glibc" patch. But this does not work for me. > >> > >> I've tested this on a Debian Squeeze box with default glibc and a 3.6.7 > >> Kernel. > >> > >> The OSD gives me the following output: > >> 2012-11-23 08:55:54.650182 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount > >> FIEMAP ioctl is supported and appears to work > >> 2012-11-23 08:55:54.650190 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount > >> FIEMAP ioctl is disabled via 'filestore fiemap' config option > >> 2012-11-23 08:55:54.650355 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount did > >> NOT detect btrfs > >> 2012-11-23 08:55:54.650358 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount > >> syncfs(2) syscall not support by glibc > >> 2012-11-23 08:55:54.650361 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount no > >> syncfs(2), must use sync(2). > >> 2012-11-23 08:55:54.650362 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount > >> WARNING: multiple ceph-osd daemons on the same host will be slow > >> 2012-11-23 08:55:54.650391 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount > >> found snaps <> > >> 2012-11-23 08:55:54.652413 7f7bc7c1f780 0 filestore(/ceph/osd.11/) mount: > >> enabling WRITEAHEAD journal mode: btrfs not detected > > > > Is SYS_syncfs defined anywhere in /usr/include? Is the kernel headers > > package installed? > > > > sage > > > > > >> > >> When i build ceph against a patched glibc i get: > >> > >> 2012-11-23 09:19:39.339597 7fee3e497780 0 ceph version 0.54-676-g9d366a0 > >> (9d366a0706a58b1612dd95831533c5a02b87f5fc), process ceph-osd, pid 9165 > >> starting osd.11 at :/0 osd_data /ceph/osd.11/ /ceph/journal/osd.11.journal > >> 2012-11-23 09:19:39.347924 7fee3e497780 0 filestore(/ceph/osd.11/) mount > >> FIEMAP ioctl is supported and appears to work > >> 2012-11-23 09:19:39.347932 7fee3e497780 0 filestore(/ceph/osd.11/) mount > >> FIEMAP ioctl is disabled via 'filestore fiemap' config option > >> 2012-11-23 09:19:39.348111 7fee3e497780 0 filestore(/ceph/osd.11/) mount did > >> NOT detect btrfs > >> 2012-11-23 09:19:39.349415 7fee3e497780 0 filestore(/ceph/osd.11/) mount > >> syncfs(2) syscall fully supported (by glibc and kernel) > >> 2012-11-23 09:19:39.349461 7fee3e497780 0 filestore(/ceph/osd.11/) mount > >> found snaps <> > >> 2012-11-23 09:19:39.350661 7fee3e497780 0 filestore(/ceph/osd.11/) mount: > >> enabling WRITEAHEAD journal mode: btrfs not detected > >> > >> Greets, > >> Stefan > >> -- > >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > >> the body of a message to majordomo@xxxxxxxxxxxxxxx > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > >> > >> > > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html