Re: [GIT PULL URGENT] ext4 regression fix for 3.9

Dave Jones
2013-03-01T03:30:45Z

On Wed, Feb 27, 2013 at 03:12:17PM -0500, Linus Torvalds wrote:
> The following changes since commit 304e220f0879198b1f5309ad6f0be862b4009491:
>
> ext4: fix free clusters calculation in bigalloc filesystem (2013-02-22 15:27:52 -0500)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git tags/ext4_for_linus
>
> for you to fetch changes up to 8e919d13048cd5acaadb2b15b48acbfb8832d3c2:
>
> ext4: fix extent status tree regression for file systems > 512GB (2013-02-27 14:54:37 -0500)
>
> ----------------------------------------------------------------
> This fixes a real brown paper bag bug which causes ext4 to choke on
> file systems larger than 512GB.
>
> ----------------------------------------------------------------
> Theodore Ts'o (1):
> ext4: fix extent status tree regression for file systems > 512GB
>
> fs/ext4/extents_status.h | 19 +++++++++++--------
> 1 file changed, 11 insertions(+), 8 deletions(-)

This has fixed the problem I reported, but I notice now that my desktop is really
sluggish. perf top shows it's almost constantly spinning in ext4_es_reclaim_extents_count

Any ideas ?

Dave