On Wed, May 26 2010, Jens Axboe wrote: > On Wed, May 26 2010, Christoph Hellwig wrote: > > On Wed, May 26, 2010 at 02:56:15PM +0200, Jens Axboe wrote: > > > On Wed, May 26 2010, Christoph Hellwig wrote: > > > > On Wed, May 26, 2010 at 02:21:26PM +0200, Jens Axboe wrote: > > > > > Ugh ok I see it, I had the caller_frees reverted. Try this :-) > > > > > > > > This seems to fix it. Running some more tests now. > > > > > > Goodie, then the analysis at least is correct. A potentially cleaner fix > > > would be to just allocate the WB_SYNC_NONE && sb_pinned work struct on > > > the stack, since then we can get rid of that nastiness in > > > wb_work_complete() as well (and not pass 'sb_pinned' around so much). > > > > > > If you have time, care to test this one as well? > > > > Both this and the previous one hang hard in xfstests 007, with no chance > > of getting a backtrace. > > > > For now I would recommend to revert > > 21c12849fef73efc9a898b6702fe421fd774f515 and > > 29c795f02e68ecd7bb1374844d3e55e882ac158f, > > which makes xfstests run fine for me. > > OK, thanks for the testing. I'll revert the two and work up a real > solution once I have the test equipment online again. BTW, if you have one more chance to test... Use the latest one, but also apply this one: http://lkml.org/lkml/2010/5/26/215 which fixes a silly thinko that's closely related to this logic. -- Jens Axboe -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>