On 06/25/2015 04:11 AM, Ilya Dryomov wrote:
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Now that you need it when initializing the disk, this
makes sense.
Reviewed-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/block/rbd.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 4de8c9167c4b..e502bce02d2c 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -346,6 +346,7 @@ struct rbd_device {
struct rbd_image_header header;
unsigned long flags; /* possibly lock protected */
struct rbd_spec *spec;
+ struct rbd_options *opts;
char *header_name;
@@ -4055,7 +4056,8 @@ static void rbd_spec_free(struct kref *kref)
}
static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,
- struct rbd_spec *spec)
+ struct rbd_spec *spec,
+ struct rbd_options *opts)
{
struct rbd_device *rbd_dev;
@@ -4069,8 +4071,9 @@ static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,
INIT_LIST_HEAD(&rbd_dev->node);
init_rwsem(&rbd_dev->header_rwsem);
- rbd_dev->spec = spec;
rbd_dev->rbd_client = rbdc;
+ rbd_dev->spec = spec;
+ rbd_dev->opts = opts;
/* Initialize the layout used for all rbd requests */
@@ -4086,6 +4089,7 @@ static void rbd_dev_destroy(struct rbd_device *rbd_dev)
{
rbd_put_client(rbd_dev->rbd_client);
rbd_spec_put(rbd_dev->spec);
+ kfree(rbd_dev->opts);
kfree(rbd_dev);
}
@@ -5160,7 +5164,7 @@ static int rbd_dev_probe_parent(struct rbd_device *rbd_dev)
rbdc = __rbd_get_client(rbd_dev->rbd_client);
ret = -ENOMEM;
- parent = rbd_dev_create(rbdc, parent_spec);
+ parent = rbd_dev_create(rbdc, parent_spec, NULL);
if (!parent)
goto out_err;
@@ -5406,9 +5410,6 @@ static ssize_t do_rbd_add(struct bus_type *bus,
rc = rbd_add_parse_args(buf, &ceph_opts, &rbd_opts, &spec);
if (rc < 0)
goto err_out_module;
- read_only = rbd_opts->read_only;
- kfree(rbd_opts);
- rbd_opts = NULL; /* done with this */
rbdc = rbd_get_client(ceph_opts);
if (IS_ERR(rbdc)) {
@@ -5434,11 +5435,12 @@ static ssize_t do_rbd_add(struct bus_type *bus,
goto err_out_client;
}
- rbd_dev = rbd_dev_create(rbdc, spec);
+ rbd_dev = rbd_dev_create(rbdc, spec, rbd_opts);
if (!rbd_dev)
goto err_out_client;
rbdc = NULL; /* rbd_dev now owns this */
spec = NULL; /* rbd_dev now owns this */
+ rbd_opts = NULL; /* rbd_dev now owns this */
rc = rbd_dev_image_probe(rbd_dev, true);
if (rc < 0)
@@ -5446,6 +5448,7 @@ static ssize_t do_rbd_add(struct bus_type *bus,
/* If we are mapping a snapshot it must be marked read-only */
+ read_only = rbd_dev->opts->read_only;
if (rbd_dev->spec->snap_id != CEPH_NOSNAP)
read_only = true;
rbd_dev->mapping.read_only = read_only;
@@ -5470,6 +5473,7 @@ err_out_client:
rbd_put_client(rbdc);
err_out_args:
rbd_spec_put(spec);
+ kfree(rbd_opts);
err_out_module:
module_put(THIS_MODULE);
--
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