Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 331644
b: refs/heads/master
c: f8c3892
h: refs/heads/master
v: v3
  • Loading branch information
Alex Elder committed Oct 1, 2012
1 parent da6c607 commit 1141d18
Show file tree
Hide file tree
Showing 2 changed files with 17 additions and 34 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 621901d652db10ad8ceddd25dd4b883978a873e1
refs/heads/master: f8c3892911145db7cf895cc26f53ad73dd4e7b1f
49 changes: 16 additions & 33 deletions trunk/drivers/block/rbd.c
Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,6 @@ struct rbd_options {
*/
struct rbd_client {
struct ceph_client *client;
struct rbd_options *rbd_opts;
struct kref kref;
struct list_head node;
};
Expand Down Expand Up @@ -152,6 +151,7 @@ struct rbd_device {
struct gendisk *disk; /* blkdev's gendisk and rq */
struct request_queue *q;

struct rbd_options rbd_opts;
struct rbd_client *rbd_client;

char name[DEV_NAME_LEN]; /* blkdev name, e.g. rbd3 */
Expand Down Expand Up @@ -273,8 +273,7 @@ static const struct block_device_operations rbd_bd_ops = {
* Initialize an rbd client instance.
* We own *ceph_opts.
*/
static struct rbd_client *rbd_client_create(struct ceph_options *ceph_opts,
struct rbd_options *rbd_opts)
static struct rbd_client *rbd_client_create(struct ceph_options *ceph_opts)
{
struct rbd_client *rbdc;
int ret = -ENOMEM;
Expand All @@ -298,8 +297,6 @@ static struct rbd_client *rbd_client_create(struct ceph_options *ceph_opts,
if (ret < 0)
goto out_err;

rbdc->rbd_opts = rbd_opts;

spin_lock(&rbd_client_list_lock);
list_add_tail(&rbdc->node, &rbd_client_list);
spin_unlock(&rbd_client_list_lock);
Expand Down Expand Up @@ -402,42 +399,33 @@ static int parse_rbd_opts_token(char *c, void *private)
* Get a ceph client with specific addr and configuration, if one does
* not exist create it.
*/
static struct rbd_client *rbd_get_client(const char *mon_addr,
size_t mon_addr_len,
char *options)
static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr,
size_t mon_addr_len, char *options)
{
struct rbd_client *rbdc;
struct rbd_options *rbd_opts = &rbd_dev->rbd_opts;
struct ceph_options *ceph_opts;
struct rbd_options *rbd_opts;

rbd_opts = kzalloc(sizeof(*rbd_opts), GFP_KERNEL);
if (!rbd_opts)
return ERR_PTR(-ENOMEM);
struct rbd_client *rbdc;

rbd_opts->notify_timeout = RBD_NOTIFY_TIMEOUT_DEFAULT;

ceph_opts = ceph_parse_options(options, mon_addr,
mon_addr + mon_addr_len,
parse_rbd_opts_token, rbd_opts);
if (IS_ERR(ceph_opts)) {
kfree(rbd_opts);
return ERR_CAST(ceph_opts);
}
if (IS_ERR(ceph_opts))
return PTR_ERR(ceph_opts);

rbdc = rbd_client_find(ceph_opts);
if (rbdc) {
/* using an existing client */
ceph_destroy_options(ceph_opts);
kfree(rbd_opts);

return rbdc;
} else {
rbdc = rbd_client_create(ceph_opts);
if (IS_ERR(rbdc))
return PTR_ERR(rbdc);
}
rbd_dev->rbd_client = rbdc;

rbdc = rbd_client_create(ceph_opts, rbd_opts);
if (IS_ERR(rbdc))
kfree(rbd_opts);

return rbdc;
return 0;
}

/*
Expand All @@ -455,7 +443,6 @@ static void rbd_client_release(struct kref *kref)
spin_unlock(&rbd_client_list_lock);

ceph_destroy_client(rbdc->client);
kfree(rbdc->rbd_opts);
kfree(rbdc);
}

Expand Down Expand Up @@ -2533,13 +2520,9 @@ static ssize_t rbd_add(struct bus_type *bus,
if (rc)
goto err_put_id;

rbd_dev->rbd_client = rbd_get_client(mon_addrs, mon_addrs_size - 1,
options);
if (IS_ERR(rbd_dev->rbd_client)) {
rc = PTR_ERR(rbd_dev->rbd_client);
rbd_dev->rbd_client = NULL;
rc = rbd_get_client(rbd_dev, mon_addrs, mon_addrs_size - 1, options);
if (rc < 0)
goto err_put_id;
}

/* pick the pool */
osdc = &rbd_dev->rbd_client->client->osdc;
Expand Down

0 comments on commit 1141d18

Please sign in to comment.