lkml.org 
[lkml]   [2006]   [Nov]   [16]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Boot failure with ext2 and initrds
FromAlex Tomas <>
DateThu, 16 Nov 2006 12:37:17 +0300
>>>>> Andrew Morton (AM) writes:

 AM> What lock protects the fields in struct ext[234]_reserve_window from being
 AM> concurrently modified by two CPUs?  None, it seems.  Ditto
 AM> ext[234]_reserve_window_node.  i_mutex will cover it for write(), but not
 AM> for pageout over a file hole.  If we end up with a zero- or negative-sized
 AM> window then odd things might happen.

truncate_mutex?

thanks, Alex

-
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: 2006-11-16 09:43    [from the cache]
©2003-2008