diff options
| -rw-r--r-- | libglusterfs/src/iobuf.c | 20 | ||||
| -rw-r--r-- | libglusterfs/src/iobuf.h | 1 |
2 files changed, 20 insertions, 1 deletions
diff --git a/libglusterfs/src/iobuf.c b/libglusterfs/src/iobuf.c index b54f3124340..7da029bd1a0 100644 --- a/libglusterfs/src/iobuf.c +++ b/libglusterfs/src/iobuf.c @@ -199,6 +199,7 @@ iobuf_pool_new (size_t arena_size, size_t page_size) pthread_mutex_init (&iobuf_pool->mutex, NULL); INIT_LIST_HEAD (&iobuf_pool->arenas.list); + INIT_LIST_HEAD (&iobuf_pool->filled.list); iobuf_pool->arena_size = arena_size; iobuf_pool->page_size = page_size; @@ -281,7 +282,10 @@ __iobuf_unref (struct iobuf *iobuf) struct iobuf * __iobuf_get (struct iobuf_arena *iobuf_arena) { - struct iobuf *iobuf = NULL; + struct iobuf *iobuf = NULL; + struct iobuf_pool *iobuf_pool = NULL; + + iobuf_pool = iobuf_arena->iobuf_pool; list_for_each_entry (iobuf, &iobuf_arena->passive.list, list) break; @@ -292,6 +296,11 @@ __iobuf_get (struct iobuf_arena *iobuf_arena) list_add (&iobuf->list, &iobuf_arena->active.list); iobuf_arena->active_cnt++; + if (iobuf_arena->passive_cnt == 0) { + list_del (&iobuf_arena->list); + list_add (&iobuf_arena->list, &iobuf_pool->filled.list); + } + return iobuf; } @@ -325,6 +334,15 @@ unlock: void __iobuf_put (struct iobuf *iobuf, struct iobuf_arena *iobuf_arena) { + struct iobuf_pool *iobuf_pool = NULL; + + iobuf_pool = iobuf_arena->iobuf_pool; + + if (iobuf_arena->passive_cnt == 0) { + list_del (&iobuf_arena->list); + list_add_tail (&iobuf_arena->list, &iobuf_pool->arenas.list); + } + list_del_init (&iobuf->list); iobuf_arena->active_cnt--; diff --git a/libglusterfs/src/iobuf.h b/libglusterfs/src/iobuf.h index 3d389b82fc9..08831bbe9bb 100644 --- a/libglusterfs/src/iobuf.h +++ b/libglusterfs/src/iobuf.h @@ -85,6 +85,7 @@ struct iobuf_pool { int arena_cnt; struct iobuf_arena arenas; /* head node arena (unused by itself) */ + struct iobuf_arena filled; /* arenas without free iobufs */ }; |