* Jens Axboe <jens.axboe@xxxxxxxxxx> [2009-08-07 21:21:44]:
> On Fri, Aug 07 2009, Randy Dunlap wrote:
> > From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> >
> > New block-iopoll sysctl should be surrounded by CONFIG_BLOCK to
> > prevent build error:
> >
> > kernel/built-in.o:(.data+0x2990): undefined reference to `blk_iopoll_enabled'
>
> Thanks, I'll just kill off this sysctl, it should be driver controller
> anyway. Was just easier for testing :-)
Hi Jens,
This build failure is still seen with next-20090820 kernel, removing
the sysctl helps. Attaching the patch based on your recommendation.
Please drop the patch if you already have in queue.
Signed-off-by: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx>
--
kernel/sysctl.c | 8 --------
1 files changed, 0 insertions(+), 8 deletions(-)
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 40f2d2c..6e67ec2 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -991,14 +991,6 @@ static struct ctl_table kern_table[] = {
.proc_handler = &proc_dointvec,
},
#endif
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "blk_iopoll",
- .data = &blk_iopoll_enabled,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- },
/*
* NOTE: do not add new entries to this table unless you have read
* Documentation/sysctl/ctl_unnumbered.txt
Kamalesh
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