> where it returns zero
I've wrote in the mail http://lkml.org/lkml/2007/2/8/337
invalidate_inode_pages2_range() reports BUG:
warning at mm/truncate.c:398 occurs becouse of
invalidate_complete_page2() returns 0; it returns 0 because of
try_to_release_page() returns 0; it returns 0 because of
ext3_releasepage() returns 0; it returns 0 because of
journal_try_to_free_buffers() returns 0; it returns 0 because of
try_to_free_buffers() returns 0; it returns 0 because of
drop_buffers() returns 0; it returns 0 because of
buffer_busy(bh) returns 1; it returns 0 because of
buffer_head count is 1 (bh->b_count==1) as additional printk reports.
Leonid
-----Original Message-----
From: Ken Chen [mailto:[email protected]]
Sent: Wednesday, February 21, 2007 11:36 AM
To: Ananiev, Leonid I
Cc: Chris Mason; Zach Brown; [email protected];
[email protected]; Benjamin LaHaise; Suparna bhattacharya;
Andrew Morton
Subject: Re: [PATCH 2/2] aio: propogate post-EIOCBQUEUED errors to
completion event
On 2/20/07, Ananiev, Leonid <[email protected]> wrote:
> 1) mem=1G in kernel boot param if you have more
> 2) unmount; mk2fs; mount
> 3) dd if=/dev/zero of=<test_file> bs=1M count=1200
> 4) aiostress -s 1200m -O -o 2 -i 1 -r 16k <test_file>
> 5) if i++<50 goto 2).
Would you please instrument the call chain of
invalidate_complete_page2() and tell us exactly where it returns zero
value in your failure case?
invalidate_complete_page2
try_to_release_page
ext3_releasepage
journal_try_to_free_buffers
???
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