On 10/13/20 10:46 AM, Ronnie Sahlberg wrote:
> Hi List,
>
> I have some issues with a config change can not find what else I need to do to fix this.
>
> I tried to enable RDMA support in the cifs client, by simply doing :
> diff --git a/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT b/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT
> index 849bffb38ecd..88e746ddab11 100644
> --- a/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT
> +++ b/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT
> @@ -1 +1 @@
> -# CONFIG_CIFS_SMB_DIRECT is not set
> +CONFIG_CIFS_SMB_DIRECT=y
>
>
> But this fails with the brew build with:
> Depmod failure
> + '[' -s depmod.out ']'
> + echo 'Depmod failure'
> + cat depmod.out
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol ib_free_cq_user
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol __ib_alloc_pd
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol rdma_resolve_addr
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol ib_dereg_mr_user
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol ib_event_msg
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol rdma_disconnect
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol ib_alloc_mr_user
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol rdma_resolve_route
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol rdma_create_qp
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol ib_map_mr_sg
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol __ib_alloc_cq_any
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol rdma_destroy_qp
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol rdma_connect
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol rdma_destroy_id
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol __rdma_create_id
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol ib_drain_qp
> depmod: WARNING: /builddir/build/BUILDROOT/kernel-4.18.0-240.2.el8.rdma2.x86_64/./lib/modules/4.18.0-240.2.el8.rdma2.x86_64+debug/kernel/fs/cifs/cifs.ko needs unknown symbol ib_dealloc_pd_user
> + exit 1
> RPM build errors:
>
> These symbols should be available already in the infiniband module, so I am a little at loss.
> Does anyone know what else I need to chang eto get this config change to compile in brew?
>
> regards
> ronnie sahlberg
>
Hi Ronnie,
Looks like you need to add "cifs" directory to the fs filtered directories under
"redhat/filter-modules.sh" script to let the cifs.ko know about the rdma symbols.
I have created [1] brew build with the following patch and looks like the issue
is gone.
commit aab32aec9fff2e0acd31885b7f696a582e7df42f
Author: Kamal Heib <kheib@xxxxxxxxxx>
Date: Tue Oct 13 10:59:24 2020 +0300
redhat/configs: Update CONFIG_CIFS_SMB_DIRECT
Upstream Status: RHEL only.
Update redhat/configs for CONFIG_CIFS_SMB_DIRECT.
Autogenerated & verified by editconfig.
diff --git a/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT
b/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT
index 849bffb38ecd..88e746ddab11 100644
--- a/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT
+++ b/redhat/configs/generic/CONFIG_CIFS_SMB_DIRECT
@@ -1 +1 @@
-# CONFIG_CIFS_SMB_DIRECT is not set
+CONFIG_CIFS_SMB_DIRECT=y
diff --git a/redhat/filter-modules.sh b/redhat/filter-modules.sh
index 66ff2ec80060..48cc8df145b6 100755
--- a/redhat/filter-modules.sh
+++ b/redhat/filter-modules.sh
@@ -28,7 +28,7 @@ scsidrvs="aacraid aic7xxx aic94xx be2iscsi bfa bnx2i bnx2fc
csiostor cxgbi esas2
usbdrvs="atm image misc serial wusbcore"
-fsdrvs="affs befs coda cramfs ecryptfs hfs hfsplus jfs minix ncpfs nilfs2 ocfs2
reiserfs romfs squashfs sysv ubifs ufs"
+fsdrvs="affs befs coda cramfs ecryptfs hfs hfsplus jfs minix ncpfs nilfs2 ocfs2
reiserfs romfs squashfs sysv ubifs ufs cifs"
netprots="6lowpan appletalk atm ax25 batman-adv bluetooth can dccp dsa
ieee802154 irda l2tp mac80211 mac802154 mpls netrom nfc rds rfkill rose sctp smc
wireless"
[1] - https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=31931687
Thanks,
Kamal
