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authorAmar Tumballi <amarts@redhat.com>2012-03-10 19:59:07 +0530
committerVijay Bellur <vijay@gluster.com>2012-03-12 05:32:06 -0700
commit58776c0800ab146b1dd9a8461a98ca719afff6ef (patch)
tree25a773f8a6fb0c73b638a79e1b481de227c08ad0 /libglusterfs/src/iobuf.h
parent08cc17a5528d0194bdb835e05e3950d5516274c3 (diff)
iobuf: add a counter to keep track of request misses
requests can be denied if the size of the request is higher than the available sizes. Change-Id: Id1bf2a56de799ccb94f3791899f2e33f68cd1e2b Signed-off-by: Amar Tumballi <amarts@redhat.com> BUG: 802047 Reviewed-on: http://review.gluster.com/2913 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'libglusterfs/src/iobuf.h')
-rw-r--r--libglusterfs/src/iobuf.h20
1 files changed, 8 insertions, 12 deletions
diff --git a/libglusterfs/src/iobuf.h b/libglusterfs/src/iobuf.h
index d0f86828615..46a54dbfc95 100644
--- a/libglusterfs/src/iobuf.h
+++ b/libglusterfs/src/iobuf.h
@@ -113,21 +113,17 @@ struct iobuf_pool {
int arena_cnt;
struct list_head arenas[GF_VARIABLE_IOBUF_COUNT];
- /* array of arenas. Each element of
- the array is a list of arenas
- holding iobufs of particular
- page_size
- */
+ /* array of arenas. Each element of the array is a list of arenas
+ holding iobufs of particular page_size */
+
struct list_head filled[GF_VARIABLE_IOBUF_COUNT];
- /*
- array of arenas without free iobufs
- */
+ /* array of arenas without free iobufs */
struct list_head purge[GF_VARIABLE_IOBUF_COUNT];
- /*
- array of of arenas which can be
- purged
- */
+ /* array of of arenas which can be purged */
+
+ uint64_t request_misses; /* mostly the requests for higher
+ value of iobufs */
};