> 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]; linux-kernel@vger.kernel.org; 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 ??? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
