From: Arnd Bergmann on
On Friday 09 July 2010, FUJITA Tomonori wrote:
> I got the following compile error with block's for-2.6.36 tree:
> block/compat_ioctl.c: In function compat_blkdev_ioctl:
> block/compat_ioctl.c:754: error: BLKTRACESETUP32 undeclared (first use in this function)
> block/compat_ioctl.c:754: error: (Each undeclared identifier is reported only once
> block/compat_ioctl.c:754: error: for each function it appears in.)
> This is due to "block: push BKL into blktrace ioctls" patch.
> =
> From: FUJITA Tomonori <fujita.tomonori(a)>
> Subject: [PATCH] fix BLKTRACESETUP32 compile error
> We need BLKTRACESETUP32 even with CONFIG_BLK_DEV_IO_TRACE disabled.
> Signed-off-by: FUJITA Tomonori <fujita.tomonori(a)>

Stephen sent an almost identical patch, either version looks good.
Sorry for breaking this.

Acked-by: Arnd Bergmann <arnd(a)>
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