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authorJoe Thornber <ejt@redhat.com>2013-08-09 12:59:30 +0100
committerMike Snitzer <snitzer@redhat.com>2013-08-23 09:02:14 -0400
commit04f17c802f447e76d13ade5bb78fbbf34baef0f8 (patch)
tree4bca7fac638c13e0659824e566dbd8df58f148dc /fs/eventfd.c
parentcd5acf0b445030cd8b5bfd818f464997652485e5 (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>
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