op == CEPH_OSD_OP_WRITE);
}
-void ceph_calc_raw_layout(struct ceph_osd_client *osdc,
+int ceph_calc_raw_layout(struct ceph_osd_client *osdc,
struct ceph_file_layout *layout,
u64 snapid,
u64 off, u64 *plen, u64 *bno,
struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base;
u64 orig_len = *plen;
u64 objoff, objlen; /* extent in object */
+ int r;
reqhead->snapid = cpu_to_le64(snapid);
/* object extent? */
- ceph_calc_file_object_mapping(layout, off, plen, bno,
- &objoff, &objlen);
+ r = ceph_calc_file_object_mapping(layout, off, plen, bno,
+ &objoff, &objlen);
+ if (r < 0)
+ return r;
if (*plen < orig_len)
dout(" skipping last %llu, final file extent %llu~%llu\n",
orig_len - *plen, off, *plen);
dout("calc_layout bno=%llx %llu~%llu (%d pages)\n",
*bno, objoff, objlen, req->r_num_pages);
-
+ return 0;
}
EXPORT_SYMBOL(ceph_calc_raw_layout);
*
* fill osd op in request message.
*/
-static void calc_layout(struct ceph_osd_client *osdc,
- struct ceph_vino vino,
- struct ceph_file_layout *layout,
- u64 off, u64 *plen,
- struct ceph_osd_request *req,
- struct ceph_osd_req_op *op)
+static int calc_layout(struct ceph_osd_client *osdc,
+ struct ceph_vino vino,
+ struct ceph_file_layout *layout,
+ u64 off, u64 *plen,
+ struct ceph_osd_request *req,
+ struct ceph_osd_req_op *op)
{
u64 bno;
+ int r;
- ceph_calc_raw_layout(osdc, layout, vino.snap, off,
- plen, &bno, req, op);
+ r = ceph_calc_raw_layout(osdc, layout, vino.snap, off,
+ plen, &bno, req, op);
+ if (r < 0)
+ return r;
snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, bno);
req->r_oid_len = strlen(req->r_oid);
+
+ return r;
}
/*
kref_init(&req->r_kref);
init_completion(&req->r_completion);
init_completion(&req->r_safe_completion);
- rb_init_node(&req->r_node);
+ RB_CLEAR_NODE(&req->r_node);
INIT_LIST_HEAD(&req->r_unsafe_item);
INIT_LIST_HEAD(&req->r_linger_item);
INIT_LIST_HEAD(&req->r_linger_osd);
{
struct ceph_osd_req_op ops[3];
struct ceph_osd_request *req;
+ int r;
ops[0].op = opcode;
ops[0].extent.truncate_seq = truncate_seq;
use_mempool,
GFP_NOFS, NULL, NULL);
if (!req)
- return NULL;
+ return ERR_PTR(-ENOMEM);
/* calculate max write size */
- calc_layout(osdc, vino, layout, off, plen, req, ops);
+ r = calc_layout(osdc, vino, layout, off, plen, req, ops);
+ if (r < 0)
+ return ERR_PTR(r);
req->r_file_layout = *layout; /* keep a copy */
/* in case it differs from natural (file) alignment that
dout("__kick_osd_requests osd%d\n", osd->o_osd);
err = __reset_osd(osdc, osd);
- if (err == -EAGAIN)
+ if (err)
return;
list_for_each_entry(req, &osd->o_requests, r_osd_item) {
}
}
-static void kick_osd_requests(struct ceph_osd_client *osdc,
- struct ceph_osd *kickosd)
-{
- mutex_lock(&osdc->request_mutex);
- __kick_osd_requests(osdc, kickosd);
- mutex_unlock(&osdc->request_mutex);
-}
-
/*
* If the osd connection drops, we need to resubmit all requests.
*/
dout("osd_reset osd%d\n", osd->o_osd);
osdc = osd->o_osdc;
down_read(&osdc->map_sem);
- kick_osd_requests(osdc, osd);
+ mutex_lock(&osdc->request_mutex);
+ __kick_osd_requests(osdc, osd);
+ mutex_unlock(&osdc->request_mutex);
send_queued(osdc);
up_read(&osdc->map_sem);
}
atomic_set(&osd->o_ref, 1);
osd->o_osdc = osdc;
osd->o_osd = onum;
+ RB_CLEAR_NODE(&osd->o_node);
INIT_LIST_HEAD(&osd->o_requests);
INIT_LIST_HEAD(&osd->o_linger_requests);
INIT_LIST_HEAD(&osd->o_osd_lru);
if (list_empty(&osd->o_requests) &&
list_empty(&osd->o_linger_requests)) {
__remove_osd(osdc, osd);
+ ret = -ENODEV;
} else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd],
&osd->o_con.peer_addr,
sizeof(osd->o_con.peer_addr)) == 0 &&
req->r_osd = NULL;
}
+ list_del_init(&req->r_req_lru_item);
ceph_osdc_put_request(req);
- list_del_init(&req->r_req_lru_item);
if (osdc->num_requests == 0) {
dout(" no requests, canceling timeout\n");
__cancel_osd_timeout(osdc);
struct ceph_osd_request *req)
{
dout("__unregister_linger_request %p\n", req);
+ list_del_init(&req->r_linger_item);
if (req->r_osd) {
- list_del_init(&req->r_linger_item);
list_del_init(&req->r_linger_osd);
if (list_empty(&req->r_osd->o_requests) &&
{
struct ceph_osd_client *osdc =
container_of(work, struct ceph_osd_client, timeout_work.work);
- struct ceph_osd_request *req, *last_req = NULL;
+ struct ceph_osd_request *req;
struct ceph_osd *osd;
- unsigned long timeout = osdc->client->options->osd_timeout * HZ;
unsigned long keepalive =
osdc->client->options->osd_keepalive_timeout * HZ;
- unsigned long last_stamp = 0;
struct list_head slow_osds;
dout("timeout\n");
down_read(&osdc->map_sem);
mutex_lock(&osdc->request_mutex);
/*
- * reset osds that appear to be _really_ unresponsive. this
- * is a failsafe measure.. we really shouldn't be getting to
- * this point if the system is working properly. the monitors
- * should mark the osd as failed and we should find out about
- * it from an updated osd map.
- */
- while (timeout && !list_empty(&osdc->req_lru)) {
- req = list_entry(osdc->req_lru.next, struct ceph_osd_request,
- r_req_lru_item);
-
- /* hasn't been long enough since we sent it? */
- if (time_before(jiffies, req->r_stamp + timeout))
- break;
-
- /* hasn't been long enough since it was acked? */
- if (req->r_request->ack_stamp == 0 ||
- time_before(jiffies, req->r_request->ack_stamp + timeout))
- break;
-
- BUG_ON(req == last_req && req->r_stamp == last_stamp);
- last_req = req;
- last_stamp = req->r_stamp;
-
- osd = req->r_osd;
- BUG_ON(!osd);
- pr_warning(" tid %llu timed out on osd%d, will reset osd\n",
- req->r_tid, osd->o_osd);
- __kick_osd_requests(osdc, osd);
- }
-
- /*
* ping osds that are a bit slow. this ensures that if there
* is a break in the TCP connection we will notice, and reopen
* a connection with that osd (from the fault callback).
event->data = data;
event->osdc = osdc;
INIT_LIST_HEAD(&event->osd_node);
+ RB_CLEAR_NODE(&event->node);
kref_init(&event->kref); /* one ref for us */
kref_get(&event->kref); /* one ref for the caller */
init_completion(&event->completion);
CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ,
NULL, 0, truncate_seq, truncate_size, NULL,
false, 1, page_align);
- if (!req)
- return -ENOMEM;
+ if (IS_ERR(req))
+ return PTR_ERR(req);
/* it may be a short read due to an object boundary */
req->r_pages = pages;
snapc, do_sync,
truncate_seq, truncate_size, mtime,
nofail, 1, page_align);
- if (!req)
- return -ENOMEM;
+ if (IS_ERR(req))
+ return PTR_ERR(req);
/* it may be a short write due to an object boundary */
req->r_pages = pages;
if (!req) {
*skip = 1;
m = NULL;
- pr_info("get_reply unknown tid %llu from osd%d\n", tid,
- osd->o_osd);
+ dout("get_reply unknown tid %llu from osd%d\n", tid,
+ osd->o_osd);
goto out;
}