Hi,
On Wed, 09 Nov 2011 16:18:53 +0900, Shingo TAKADA wrote:
> hi.
>
> I'm trying to use nilfs2 on Scientific Linux 6.1 with kernel
> 2.6.32-131.17.1.el6.x86_64.
> currently, there's no official package for SL6.1 (and RHEL6),
> so i tried to build rpm package using CentOS 5's srpm.
>
> i installed nilfs-kmod-2.0.22-4.src.rpm, extract nilfs-2.0.22.tar.bz2 and
> tried to make, but fails like:
>
> $ pwd
> /tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs
> $ make -C /usr/src/kernels/2.6.32-131.17.1.el6.x86_64 M=`pwd`
> make: Entering directory `/usr/src/kernels/2.6.32-131.17.1.el6.x86_64'
> LD /tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs/built-in.o
> CC [M] /tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs/inode.o
> In file included from /tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs/inode.c:28:
> /tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs/nilfs.h: In function ‘nilfs_init_acl’:
> /tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs/nilfs.h:234: error: dereferencing
> pointer to incomplete type
> make[1]: *** [/tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs/inode.o] Error 1
> make: *** [_module_/tmp/rpmbuild/SOURCES/nilfs-2.0.22/fs] Error 2
> make: Leaving directory `/usr/src/kernels/2.6.32-131.17.1.el6.x86_64'
>
>
> I installed SL6.1's kernel Source RPM(srpm) , try to make from the
> sources in the srpm. i installed kernel-2.6.32-131.17.1.el6.src.rpm
> using yumdownloader.
>
> but fails like:
> $ pwd
> /tmp/sl6-srpm-nilfs2
> $ make -C /usr/src/kernels/2.6.32-131.17.1.el6.x86_64 M=`pwd`
> make: Entering directory `/usr/src/kernels/2.6.32-131.17.1.el6.x86_64'
> LD /tmp/sl6-srpm-nilfs2/built-in.o
> CC [M] /tmp/sl6-srpm-nilfs2/inode.o
> CC [M] /tmp/sl6-srpm-nilfs2/file.o
> CC [M] /tmp/sl6-srpm-nilfs2/dir.o
> CC [M] /tmp/sl6-srpm-nilfs2/super.o
> CC [M] /tmp/sl6-srpm-nilfs2/namei.o
> CC [M] /tmp/sl6-srpm-nilfs2/page.o
> CC [M] /tmp/sl6-srpm-nilfs2/mdt.o
> CC [M] /tmp/sl6-srpm-nilfs2/btnode.o
> CC [M] /tmp/sl6-srpm-nilfs2/bmap.o
> CC [M] /tmp/sl6-srpm-nilfs2/btree.o
> CC [M] /tmp/sl6-srpm-nilfs2/direct.o
> CC [M] /tmp/sl6-srpm-nilfs2/dat.o
> CC [M] /tmp/sl6-srpm-nilfs2/recovery.o
> CC [M] /tmp/sl6-srpm-nilfs2/the_nilfs.o
> CC [M] /tmp/sl6-srpm-nilfs2/segbuf.o
> /tmp/sl6-srpm-nilfs2/segbuf.c: In function ‘nilfs_segbuf_write’:
> /tmp/sl6-srpm-nilfs2/segbuf.c:396: error: ‘REQ_UNPLUG’ undeclared (first
> use in this function)
> /tmp/sl6-srpm-nilfs2/segbuf.c:396: error: (Each undeclared identifier is
> reported only once
> /tmp/sl6-srpm-nilfs2/segbuf.c:396: error: for each function it appears in.)
> make[1]: *** [/tmp/sl6-srpm-nilfs2/segbuf.o] Error 1
> make: *** [_module_/tmp/sl6-srpm-nilfs2] Error 2
> make: Leaving directory `/usr/src/kernels/2.6.32-131.17.1.el6.x86_64'
REQ_UNPLUG was introduced by the following patch (and has gone with
other patch). This seems to be a difference between the vanilla
kernel and the SL6 kernel. Thanks for reporting.
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 2e6a272..4588fb9 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -508,7 +508,7 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *s
egbuf,
* Last BIO is always sent through the following
* submission.
*/
- rw |= (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG);
+ rw |= REQ_SYNC | REQ_UNPLUG;
res = nilfs_segbuf_submit_bio(segbuf, &wi, rw);
}
> how should i do to use nilfs on SL6 environment?
> or do you have any plan to release CentOS6 package of nilfs?
We feel the necessity for creating kmod branch for the Centos6 kernel,
but don't have concrete plan.
Ok, I will try it when I have time. Or, does anyone want to try it?
Thanks,
Ryusuke Konishi
> my environment: Scientific Linux 6.1 x64 on XenServer 5.6 SP2.
>
> Shingo TAKADA
> --
> takada@xxxxxxxxxxxx
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