On Tue, May 27, 2014 at 05:20:02PM -0500, Mark Tinguely wrote:
> On 09/02/13 09:29, Namjae Jeon wrote:
> >From: Namjae Jeon<namjae.jeon@xxxxxxxxxxx>
> >
> >Add support FALLOC_FL_COLLAPSE_RANGE for fallocate.
> >
> >Signed-off-by: Namjae Jeon<namjae.jeon@xxxxxxxxxxx>
> >Signed-off-by: Ashish Sangwan<a.sangwan@xxxxxxxxxxx>
> >---
>
> >+ /* Check if we can merge 2 adjacent extents */
> >+ if ((state & BMAP_LEFT_VALID) && !(state & BMAP_LEFT_DELAY) &&
> >+ left.br_startoff + left.br_blockcount == startoff &&
> >+ left.br_startblock + left.br_blockcount ==
> >+ xfs_bmbt_get_startblock(gotp) &&
> >+ xfs_bmbt_get_state(gotp) == left.br_state &&
> >+ left.br_blockcount + xfs_bmbt_get_blockcount(gotp) <=
> >+ MAXEXTLEN) {
> >+ blockcount =
> >+ left.br_blockcount + xfs_bmbt_get_blockcount(gotp);
> >+ state |= BMAP_LEFT_CONTIG;
> >+ xfs_iext_remove(ip, *current_ext, 1, 0);
> >+ XFS_IFORK_NEXT_SET(ip, whichfork,
> >+ XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
> >+ gotp = xfs_iext_get_ext(ifp, --*current_ext);
> >+ }
> >+
> >+ if (cur) {
> >+ error = xfs_bmbt_lookup_eq(cur,
> >+ xfs_bmbt_get_startoff(gotp),
> >+ xfs_bmbt_get_startblock(gotp),
> >+ xfs_bmbt_get_blockcount(gotp),
> >+ &i);
> >+ if (error)
> >+ goto del_cursor;
> >+ XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor);
>
> I can reliably trigger this XFS_WANT_CORRUPTED_GOTO() with a
> fsstress that fills the filesystem:
>
> xfstests > ltp/fsstress -d /mnt/scratch -s 1370236858 -p 512 -n 8192 &
Hasn't reproduced after 10 minutes of running at ENOSPC here - how
long does it take to reproduce? What storage hardware are you
testing on? How many CPUs? RAM? ....
http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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