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Diffstat (limited to 'fs/ceph/osd_client.c')
-rw-r--r--fs/ceph/osd_client.c105
1 files changed, 41 insertions, 64 deletions
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 3514f71..d25b4ad 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -16,7 +16,7 @@
#define OSD_OP_FRONT_LEN 4096
#define OSD_OPREPLY_FRONT_LEN 512
-const static struct ceph_connection_operations osd_con_ops;
+static const struct ceph_connection_operations osd_con_ops;
static int __kick_requests(struct ceph_osd_client *osdc,
struct ceph_osd *kickosd);
@@ -147,7 +147,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
req = kzalloc(sizeof(*req), GFP_NOFS);
}
if (req == NULL)
- return ERR_PTR(-ENOMEM);
+ return NULL;
req->r_osdc = osdc;
req->r_mempool = use_mempool;
@@ -164,10 +164,10 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0);
else
msg = ceph_msg_new(CEPH_MSG_OSD_OPREPLY,
- OSD_OPREPLY_FRONT_LEN, 0, 0, NULL);
- if (IS_ERR(msg)) {
+ OSD_OPREPLY_FRONT_LEN, GFP_NOFS);
+ if (!msg) {
ceph_osdc_put_request(req);
- return ERR_PTR(PTR_ERR(msg));
+ return NULL;
}
req->r_reply = msg;
@@ -178,10 +178,10 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
if (use_mempool)
msg = ceph_msgpool_get(&osdc->msgpool_op, 0);
else
- msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, 0, 0, NULL);
- if (IS_ERR(msg)) {
+ msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, GFP_NOFS);
+ if (!msg) {
ceph_osdc_put_request(req);
- return ERR_PTR(PTR_ERR(msg));
+ return NULL;
}
msg->hdr.type = cpu_to_le16(CEPH_MSG_OSD_OP);
memset(msg->front.iov_base, 0, msg->front.iov_len);
@@ -361,8 +361,13 @@ static void put_osd(struct ceph_osd *osd)
{
dout("put_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref),
atomic_read(&osd->o_ref) - 1);
- if (atomic_dec_and_test(&osd->o_ref))
+ if (atomic_dec_and_test(&osd->o_ref)) {
+ struct ceph_auth_client *ac = osd->o_osdc->client->monc.auth;
+
+ if (osd->o_authorizer)
+ ac->ops->destroy_authorizer(ac, osd->o_authorizer);
kfree(osd);
+ }
}
/*
@@ -715,7 +720,7 @@ static void handle_timeout(struct work_struct *work)
* should mark the osd as failed and we should find out about
* it from an updated osd map.
*/
- while (!list_empty(&osdc->req_lru)) {
+ while (timeout && !list_empty(&osdc->req_lru)) {
req = list_entry(osdc->req_lru.next, struct ceph_osd_request,
r_req_lru_item);
@@ -1078,6 +1083,7 @@ done:
if (newmap)
kick_requests(osdc, NULL);
up_read(&osdc->map_sem);
+ wake_up(&osdc->client->auth_wq);
return;
bad:
@@ -1087,45 +1093,6 @@ bad:
return;
}
-
-/*
- * A read request prepares specific pages that data is to be read into.
- * When a message is being read off the wire, we call prepare_pages to
- * find those pages.
- * 0 = success, -1 failure.
- */
-static int __prepare_pages(struct ceph_connection *con,
- struct ceph_msg_header *hdr,
- struct ceph_osd_request *req,
- u64 tid,
- struct ceph_msg *m)
-{
- struct ceph_osd *osd = con->private;
- struct ceph_osd_client *osdc;
- int ret = -1;
- int data_len = le32_to_cpu(hdr->data_len);
- unsigned data_off = le16_to_cpu(hdr->data_off);
-
- int want = calc_pages_for(data_off & ~PAGE_MASK, data_len);
-
- if (!osd)
- return -1;
-
- osdc = osd->o_osdc;
-
- dout("__prepare_pages on msg %p tid %llu, has %d pages, want %d\n", m,
- tid, req->r_num_pages, want);
- if (unlikely(req->r_num_pages < want))
- goto out;
- m->pages = req->r_pages;
- m->nr_pages = req->r_num_pages;
- ret = 0; /* success */
-out:
- BUG_ON(ret < 0 || m->nr_pages < want);
-
- return ret;
-}
-
/*
* Register request, send initial attempt.
*/
@@ -1252,11 +1219,13 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client)
if (!osdc->req_mempool)
goto out;
- err = ceph_msgpool_init(&osdc->msgpool_op, OSD_OP_FRONT_LEN, 10, true);
+ err = ceph_msgpool_init(&osdc->msgpool_op, OSD_OP_FRONT_LEN, 10, true,
+ "osd_op");
if (err < 0)
goto out_mempool;
err = ceph_msgpool_init(&osdc->msgpool_op_reply,
- OSD_OPREPLY_FRONT_LEN, 10, true);
+ OSD_OPREPLY_FRONT_LEN, 10, true,
+ "osd_op_reply");
if (err < 0)
goto out_msgpool;
return 0;
@@ -1302,8 +1271,8 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc,
CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ,
NULL, 0, truncate_seq, truncate_size, NULL,
false, 1);
- if (IS_ERR(req))
- return PTR_ERR(req);
+ if (!req)
+ return -ENOMEM;
/* it may be a short read due to an object boundary */
req->r_pages = pages;
@@ -1345,8 +1314,8 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino,
snapc, do_sync,
truncate_seq, truncate_size, mtime,
nofail, 1);
- if (IS_ERR(req))
- return PTR_ERR(req);
+ if (!req)
+ return -ENOMEM;
/* it may be a short write due to an object boundary */
req->r_pages = pages;
@@ -1394,7 +1363,8 @@ static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
}
/*
- * lookup and return message for incoming reply
+ * lookup and return message for incoming reply. set up reply message
+ * pages.
*/
static struct ceph_msg *get_reply(struct ceph_connection *con,
struct ceph_msg_header *hdr,
@@ -1407,7 +1377,6 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
int front = le32_to_cpu(hdr->front_len);
int data_len = le32_to_cpu(hdr->data_len);
u64 tid;
- int err;
tid = le64_to_cpu(hdr->tid);
mutex_lock(&osdc->request_mutex);
@@ -1425,13 +1394,14 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
req->r_reply, req->r_con_filling_msg);
ceph_con_revoke_message(req->r_con_filling_msg, req->r_reply);
ceph_con_put(req->r_con_filling_msg);
+ req->r_con_filling_msg = NULL;
}
if (front > req->r_reply->front.iov_len) {
pr_warning("get_reply front %d > preallocated %d\n",
front, (int)req->r_reply->front.iov_len);
- m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, 0, 0, NULL);
- if (IS_ERR(m))
+ m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, GFP_NOFS);
+ if (!m)
goto out;
ceph_msg_put(req->r_reply);
req->r_reply = m;
@@ -1439,12 +1409,19 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
m = ceph_msg_get(req->r_reply);
if (data_len > 0) {
- err = __prepare_pages(con, hdr, req, tid, m);
- if (err < 0) {
+ unsigned data_off = le16_to_cpu(hdr->data_off);
+ int want = calc_pages_for(data_off & ~PAGE_MASK, data_len);
+
+ if (unlikely(req->r_num_pages < want)) {
+ pr_warning("tid %lld reply %d > expected %d pages\n",
+ tid, want, m->nr_pages);
*skip = 1;
ceph_msg_put(m);
- m = ERR_PTR(err);
+ m = NULL;
+ goto out;
}
+ m->pages = req->r_pages;
+ m->nr_pages = req->r_num_pages;
}
*skip = 0;
req->r_con_filling_msg = ceph_con_get(con);
@@ -1466,7 +1443,7 @@ static struct ceph_msg *alloc_msg(struct ceph_connection *con,
switch (type) {
case CEPH_MSG_OSD_MAP:
- return ceph_msg_new(type, front, 0, 0, NULL);
+ return ceph_msg_new(type, front, GFP_NOFS);
case CEPH_MSG_OSD_OPREPLY:
return get_reply(con, hdr, skip);
default:
@@ -1552,7 +1529,7 @@ static int invalidate_authorizer(struct ceph_connection *con)
return ceph_monc_validate_auth(&osdc->client->monc);
}
-const static struct ceph_connection_operations osd_con_ops = {
+static const struct ceph_connection_operations osd_con_ops = {
.get = get_osd_con,
.put = put_osd_con,
.dispatch = dispatch,
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