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author | Sage Weil <sage@inktank.com> | 2012-05-07 15:36:49 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-26 11:38:03 -0800 |
commit | 9a0117ae53308d0d8284ba5664ed4c1d0ec54176 (patch) | |
tree | fa01a51137fbb7785b485ff4940c6d24fc5685aa /include | |
parent | 20501b9e6e1db8e7ab6668ef15d697b1c057a50a (diff) | |
download | linux-3.10-9a0117ae53308d0d8284ba5664ed4c1d0ec54176.tar.gz linux-3.10-9a0117ae53308d0d8284ba5664ed4c1d0ec54176.tar.bz2 linux-3.10-9a0117ae53308d0d8284ba5664ed4c1d0ec54176.zip |
crush: fix tree node weight lookup
(cherry picked from commit f671d4cd9b36691ac4ef42cde44c1b7a84e13631)
Fix the node weight lookup for tree buckets by using a correct accessor.
Reflects ceph.git commit d287ade5bcbdca82a3aef145b92924cf1e856733.
Reviewed-by: Alex Elder <elder@inktank.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/crush/crush.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h index 3f50369a50e..e7a8c9055cb 100644 --- a/include/linux/crush/crush.h +++ b/include/linux/crush/crush.h @@ -177,4 +177,9 @@ extern void crush_destroy_bucket_straw(struct crush_bucket_straw *b); extern void crush_destroy_bucket(struct crush_bucket *b); extern void crush_destroy(struct crush_map *map); +static inline int crush_calc_tree_node(int i) +{ + return ((i+1) << 1)-1; +} + #endif |