commit | 04f17c802f447e76d13ade5bb78fbbf34baef0f8 | [log] [tgz] |
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author | Joe Thornber <ejt@redhat.com> | Fri Aug 09 12:59:30 2013 +0100 |
committer | Mike Snitzer <snitzer@redhat.com> | Fri Aug 23 09:02:14 2013 -0400 |
tree | 4bca7fac638c13e0659824e566dbd8df58f148dc | |
parent | cd5acf0b445030cd8b5bfd818f464997652485e5 [diff] |
dm btree: prefetch child nodes when walking tree for a dm_btree_del dm-btree now takes advantage of dm-bufio's ability to prefetch data via dm_bm_prefetch(). Prior to this change many btree node visits were causing a synchronous read. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>