diff options
Diffstat (limited to 'fs/ceph/msgpool.c')
-rw-r--r-- | fs/ceph/msgpool.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c deleted file mode 100644 index dd65a64..0000000 --- a/fs/ceph/msgpool.c +++ /dev/null @@ -1,64 +0,0 @@ -#include "ceph_debug.h" - -#include <linux/err.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/vmalloc.h> - -#include "msgpool.h" - -static void *alloc_fn(gfp_t gfp_mask, void *arg) -{ - struct ceph_msgpool *pool = arg; - void *p; - - p = ceph_msg_new(0, pool->front_len, gfp_mask); - if (!p) - pr_err("msgpool %s alloc failed\n", pool->name); - return p; -} - -static void free_fn(void *element, void *arg) -{ - ceph_msg_put(element); -} - -int ceph_msgpool_init(struct ceph_msgpool *pool, - int front_len, int size, bool blocking, const char *name) -{ - pool->front_len = front_len; - pool->pool = mempool_create(size, alloc_fn, free_fn, pool); - if (!pool->pool) - return -ENOMEM; - pool->name = name; - return 0; -} - -void ceph_msgpool_destroy(struct ceph_msgpool *pool) -{ - mempool_destroy(pool->pool); -} - -struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, - int front_len) -{ - if (front_len > pool->front_len) { - pr_err("msgpool_get pool %s need front %d, pool size is %d\n", - pool->name, front_len, pool->front_len); - WARN_ON(1); - - /* try to alloc a fresh message */ - return ceph_msg_new(0, front_len, GFP_NOFS); - } - - return mempool_alloc(pool->pool, GFP_NOFS); -} - -void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *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 */ -} |