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authorDouglas Fuller <dfuller@redhat.com>2015-07-17 13:18:07 -0700
committerIlya Dryomov <idryomov@gmail.com>2016-08-24 23:49:15 +0200
commita4ed38d7a180f184a6e7aedd09db9ca4b1e6a71c (patch)
tree2794a755d3c96ad7b0b88390a4a25f18e0c6e138 /include/linux/ceph
parentf01d5cb24ea92494f9e093e6ee411364a686be99 (diff)
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libceph: support for CEPH_OSD_OP_LIST_WATCHERS
Add support for this Ceph OSD op, needed to support the RBD exclusive lock feature. Signed-off-by: Douglas Fuller <dfuller@redhat.com> [idryomov@gmail.com: refactor, misc fixes throughout] Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'include/linux/ceph')
-rw-r--r--include/linux/ceph/osd_client.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 858932304260..19821a191732 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -121,6 +121,9 @@ struct ceph_osd_req_op {
struct ceph_osd_data response_data;
} notify;
struct {
+ struct ceph_osd_data response_data;
+ } list_watchers;
+ struct {
u64 expected_object_size;
u64 expected_write_size;
} alloc_hint;
@@ -249,6 +252,12 @@ struct ceph_osd_linger_request {
size_t *preply_len;
};
+struct ceph_watch_item {
+ struct ceph_entity_name name;
+ u64 cookie;
+ struct ceph_entity_addr addr;
+};
+
struct ceph_osd_client {
struct ceph_client *client;
@@ -346,7 +355,6 @@ extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *,
struct page **pages, u64 length,
u32 alignment, bool pages_from_pool,
bool own_pages);
-
extern void osd_req_op_cls_init(struct ceph_osd_request *osd_req,
unsigned int which, u16 opcode,
const char *class, const char *method);
@@ -434,5 +442,10 @@ int ceph_osdc_notify(struct ceph_osd_client *osdc,
size_t *preply_len);
int ceph_osdc_watch_check(struct ceph_osd_client *osdc,
struct ceph_osd_linger_request *lreq);
+int ceph_osdc_list_watchers(struct ceph_osd_client *osdc,
+ struct ceph_object_id *oid,
+ struct ceph_object_locator *oloc,
+ struct ceph_watch_item **watchers,
+ u32 *num_watchers);
#endif
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