lkml.org 
[lkml]   [2007]   [Oct]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userland
Hi Ryan,

On 10/8/07, Ryan Finnie <ryan@finnie.org> wrote:
> Doesn't appear to be enough. I can't figure out why (since it appears
> write_cache_pages bubbles up directly to sys_msync), but with that
> patch applied, in my test case[1], msync returns -1 EIO. However,
> with the exact same kernel without that patch applied, msync returns
> 524288 (AOP_WRITEPAGE_ACTIVATE). But as your patch specifically flips
> 524288 to 0, I can't figure out how it eventually returns -1 EIO.
>
> [1] "apt-get check" on a unionfs2 mount backed by tmpfs over cdrom,
> standard livecd setup

You have swap device disabled, right? If so, I can't see any reason
why msync(2) on tmpfs would return -EIO. Can you please send a strace
log for your test case?

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

\
 
 \ /
  Last update: 2007-10-08 13:21    [W:0.088 / U:0.572 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site