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SubjectRe: [PATCH] blk queue io tracing support
On Wed, Aug 24, 2005 at 11:28:39AM +0200, Jens Axboe wrote:
> ...
> Patch attached is against 2.6.13-rc6-mm2. Still a good idea to apply the
> relayfs read update from the previous mail [*] as well.

Hi Jens,

There's a minor config botch in there, I get this:

scripts/kconfig/conf -s arch/i386/Kconfig
drivers/block/Kconfig:466:warning: 'select' used by config symbol 'BLK_DEV_IO_TRACE' refer to undefined symbol 'RELAYFS'

The patch below seems to resolve it.



Index: relayfs-2.6.x-xfs/drivers/block/Kconfig
--- relayfs-2.6.x-xfs.orig/drivers/block/Kconfig
+++ relayfs-2.6.x-xfs/drivers/block/Kconfig
@@ -463,7 +463,7 @@

bool "Support for tracing block io actions"
- select RELAYFS
+ select RELAYFS_FS
Say Y here, if you want to be able to trace the block layer actions
on a given queue.
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