diff options
| -rw-r--r-- | net/ceph/msgpool.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/net/ceph/msgpool.c b/net/ceph/msgpool.c index d5f2d97ac05c..1f4cb30a42c5 100644 --- a/net/ceph/msgpool.c +++ b/net/ceph/msgpool.c @@ -7,27 +7,37 @@ #include <linux/ceph/msgpool.h> -static void *alloc_fn(gfp_t gfp_mask, void *arg) +static void *msgpool_alloc(gfp_t gfp_mask, void *arg) { struct ceph_msgpool *pool = arg; - void *p; + struct ceph_msg *msg; - p = ceph_msg_new(0, pool->front_len, gfp_mask); - if (!p) - pr_err("msgpool %s alloc failed\n", pool->name); - return p; + msg = ceph_msg_new(0, pool->front_len, gfp_mask); + if (!msg) { + dout("msgpool_alloc %s failed\n", pool->name); + } else { + dout("msgpool_alloc %s %p\n", pool->name, msg); + msg->pool = pool; + } + return msg; } -static void free_fn(void *element, void *arg) +static void msgpool_free(void *element, void *arg) { - ceph_msg_put(element); + struct ceph_msgpool *pool = arg; + struct ceph_msg *msg = element; + + dout("msgpool_release %s %p\n", pool->name, msg); + msg->pool = NULL; + ceph_msg_put(msg); } int ceph_msgpool_init(struct ceph_msgpool *pool, int front_len, int size, bool blocking, const char *name) { + dout("msgpool %s init\n", name); pool->front_len = front_len; - pool->pool = mempool_create(size, alloc_fn, free_fn, pool); + pool->pool = mempool_create(size, msgpool_alloc, msgpool_free, pool); if (!pool->pool) return -ENOMEM; pool->name = name; @@ -36,14 +46,17 @@ int ceph_msgpool_init(struct ceph_msgpool *pool, void ceph_msgpool_destroy(struct ceph_msgpool *pool) { + dout("msgpool %s destroy\n", pool->name); mempool_destroy(pool->pool); } struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, int front_len) { + struct ceph_msg *msg; + if (front_len > pool->front_len) { - pr_err("msgpool_get pool %s need front %d, pool size is %d\n", + dout("msgpool_get %s need front %d, pool size is %d\n", pool->name, front_len, pool->front_len); WARN_ON(1); @@ -51,14 +64,19 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, return ceph_msg_new(0, front_len, GFP_NOFS); } - return mempool_alloc(pool->pool, GFP_NOFS); + msg = mempool_alloc(pool->pool, GFP_NOFS); + dout("msgpool_get %s %p\n", pool->name, msg); + return msg; } void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg) { + dout("msgpool_put %s %p\n", pool->name, msg); + /* reset msg front_len; user may have changed it */ msg->front.iov_len = pool->front_len; msg->hdr.front_len = cpu_to_le32(pool->front_len); kref_init(&msg->kref); /* retake single ref */ + mempool_free(msg, pool->pool); } |