| commit | 5c64a8df0ca88c79c9cb74674c2481e5f7ede511 | [log] [tgz] |
|---|---|---|
| author | Omar Sandoval <osandov@fb.com> | Sat Sep 17 12:20:54 2016 -0700 |
| committer | Jens Axboe <axboe@fb.com> | Sat Sep 17 13:39:06 2016 -0600 |
| tree | a10aa8ab518921ee8f16511076a15ff2b64e52ec | |
| parent | 05fd095d53b979878f016c3a7080d3683cc89d72 [diff] |
sbitmap: don't update the allocation hint on clear after resize If we have a bunch of high-numbered bits allocated and then we resize the struct sbitmap_queue, when those bits get cleared, we'll update the hint and then have to re-randomize it repeatedly. Avoid that by checking that the cleared bit is still a valid hint. No measurable performance difference in the common case. Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>