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authorIlya Dryomov <idryomov@gmail.com>2020-05-19 17:09:52 +0200
committerIlya Dryomov <idryomov@gmail.com>2020-06-01 13:22:53 +0200
commit86403a92c3c5c6c395983fdbfc5e2f29dc39279b (patch)
tree0c1b12653a587c8ca07f16d448066281659b6458 /include/linux/crush
parent8a4b863c876d9f135fa00cfe65774c3740970303 (diff)
downloadlwn-86403a92c3c5c6c395983fdbfc5e2f29dc39279b.tar.gz
lwn-86403a92c3c5c6c395983fdbfc5e2f29dc39279b.zip
libceph: decode CRUSH device/bucket types and names
These would be matched with the provided client location to calculate the locality value. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'include/linux/crush')
-rw-r--r--include/linux/crush/crush.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h
index 38b0e4d50ed9..33c16f2de7f6 100644
--- a/include/linux/crush/crush.h
+++ b/include/linux/crush/crush.h
@@ -301,6 +301,12 @@ struct crush_map {
__u32 *choose_tries;
#else
+ /* device/bucket type id -> type name (CrushWrapper::type_map) */
+ struct rb_root type_names;
+
+ /* device/bucket id -> name (CrushWrapper::name_map) */
+ struct rb_root names;
+
/* CrushWrapper::choose_args */
struct rb_root choose_args;
#endif
@@ -342,4 +348,10 @@ struct crush_work {
struct crush_work_bucket **work; /* Per-bucket working store */
};
+#ifdef __KERNEL__
+/* osdmap.c */
+void clear_crush_names(struct rb_root *root);
+void clear_choose_args(struct crush_map *c);
+#endif
+
#endif