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path: root/drivers/block/rbd.c
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Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r--drivers/block/rbd.c41
1 files changed, 6 insertions, 35 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index d41f9769034..5c1c38dc0b5 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -672,35 +672,6 @@ static void rbd_client_release(struct kref *kref)
kfree(rbdc);
}
-/* Caller has to fill in snapc->seq and snapc->snaps[0..snap_count-1] */
-
-static struct ceph_snap_context *rbd_snap_context_create(u32 snap_count)
-{
- struct ceph_snap_context *snapc;
- size_t size;
-
- size = sizeof (struct ceph_snap_context);
- size += snap_count * sizeof (snapc->snaps[0]);
- snapc = kzalloc(size, GFP_KERNEL);
- if (!snapc)
- return NULL;
-
- atomic_set(&snapc->nref, 1);
- snapc->num_snaps = snap_count;
-
- return snapc;
-}
-
-static inline void rbd_snap_context_get(struct ceph_snap_context *snapc)
-{
- (void)ceph_get_snap_context(snapc);
-}
-
-static inline void rbd_snap_context_put(struct ceph_snap_context *snapc)
-{
- ceph_put_snap_context(snapc);
-}
-
/*
* Drop reference to ceph client node. If it's not referenced anymore, release
* it.
@@ -820,7 +791,7 @@ static int rbd_header_from_disk(struct rbd_image_header *header,
header->image_size = le64_to_cpu(ondisk->image_size);
- header->snapc = rbd_snap_context_create(snap_count);
+ header->snapc = ceph_create_snap_context(snap_count, GFP_KERNEL);
if (!header->snapc)
goto out_err;
header->snapc->seq = le64_to_cpu(ondisk->snap_seq);
@@ -1753,7 +1724,7 @@ static struct rbd_img_request *rbd_img_request_create(
if (write_request) {
down_read(&rbd_dev->header_rwsem);
- rbd_snap_context_get(rbd_dev->header.snapc);
+ ceph_get_snap_context(rbd_dev->header.snapc);
up_read(&rbd_dev->header_rwsem);
}
@@ -1805,7 +1776,7 @@ static void rbd_img_request_destroy(struct kref *kref)
rbd_assert(img_request->obj_request_count == 0);
if (img_request_write_test(img_request))
- rbd_snap_context_put(img_request->snapc);
+ ceph_put_snap_context(img_request->snapc);
if (img_request_child_test(img_request))
rbd_obj_request_put(img_request->obj_request);
@@ -3071,7 +3042,7 @@ static int rbd_dev_v1_refresh(struct rbd_device *rbd_dev, u64 *hver)
kfree(rbd_dev->header.snap_sizes);
kfree(rbd_dev->header.snap_names);
/* osd requests may still refer to snapc */
- rbd_snap_context_put(rbd_dev->header.snapc);
+ ceph_put_snap_context(rbd_dev->header.snapc);
if (hver)
*hver = h.obj_version;
@@ -3914,7 +3885,7 @@ static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev, u64 *ver)
goto out;
ret = 0;
- snapc = rbd_snap_context_create(snap_count);
+ snapc = ceph_create_snap_context(snap_count, GFP_KERNEL);
if (!snapc) {
ret = -ENOMEM;
goto out;
@@ -4590,7 +4561,7 @@ static void rbd_dev_unprobe(struct rbd_device *rbd_dev)
/* Free dynamic fields from the header, then zero it out */
header = &rbd_dev->header;
- rbd_snap_context_put(header->snapc);
+ ceph_put_snap_context(header->snapc);
kfree(header->snap_sizes);
kfree(header->snap_names);
kfree(header->object_prefix);