#include #include #include #include #include #include #include static void *msgpool_alloc(gfp_t gfp_mask, void *arg) { struct ceph_msgpool *pool = arg; struct ceph_msg *msg; msg = ceph_msg_new(pool->type, pool->front_len, gfp_mask, true); 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 msgpool_free(void *element, void *arg) { 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 type, int front_len, int size, bool blocking, const char *name) { dout("msgpool %s init\n", name); pool->type = type; pool->front_len = front_len; pool->pool = mempool_create(size, msgpool_alloc, msgpool_free, pool); if (!pool->pool) return -ENOMEM; pool->name = name; return 0; } 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) { dout("msgpool_get %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(pool->type, front_len, GFP_NOFS, false); } 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); } log/net'>
path: root/net
AgeCommit message (Expand)AuthorFilesLines
2017-02-06ipv6: tcp: add a missing tcp_v6_restore_cb()Eric Dumazet1-11/+13
2017-02-05ip6_gre: fix ip6gre_err() invalid readsEric Dumazet1-19/+21
2017-02-04netlabel: out of bound access in cipso_v4_validate()Eric Dumazet1-0/+4
2017-02-04ipv4: keep skb->dst around in presence of IP optionsEric Dumazet1-1/+8
2017-02-03net: use a work queue to defer net_disable_timestamp() workEric Dumazet1-18/+13
2017-02-03ethtool: do not vzalloc(0) on registers dumpStanislaw Gruszka1-3/+6
2017-02-03ipv6: sr: remove cleanup flag and fix HMAC computationDavid Lebrun2-32/+7
2017-02-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds10-103/+86
2017-02-01tcp: fix 0 divide in __tcp_select_window()Eric Dumazet1-2/+4
2017-02-01ipv6: pointer math error in ip6_tnl_parse_tlv_enc_lim()Dan Carpenter1-1/+1
2017-02-01net/sched: matchall: Fix configuration raceYotam Gigi1-82/+45