Re: [PATCH] mm: fix page_mkclean_one (was: 2.6.19 file content corruption on ext3)

[Gordon Farquharson]

On 12/21/06, Linus Torvalds <torvalds@xxxxxxxx> wrote:

> That said, I think the patch I sent out should actually work on top of
> plain 2.6.19 too. I don't think things have changed in this area that
> much. IOW, you don't _need_ latest -git to test it, you just need a broken
> kernel ;)

I created a version of your patch that applied to 2.6.19, but it
doesn't compile:

mm/built-in.o: In function `cancel_dirty_page':
slab.c:(.text+0x8964): undefined reference to `task_io_account_cancelled_write'
make[3]: *** [.tmp_vmlinux1] Error 1

It looks like task_io_account_cancelled_write() was added in

http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7c3ab7381e79dfc7db14a67c6f4f3285664e1ec2

Can the call to task_io_account_cancelled_write() simply be removed
from cancel_dirty_page() for testing the patch with 2.6.19 (since
2.6.19 doesn't seem to have the task I/O accounting) ?

Gordon

--
Gordon Farquharson
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