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authorDouglas Fuller <dfuller@redhat.com>2015-06-29 16:55:42 -0700
committerIlya Dryomov <idryomov@gmail.com>2016-08-24 23:49:15 +0200
commitd4ed4a530562881cc5225050e42d96034f405aae (patch)
tree0c7f7326e1d3d14cf58f20ca02f56db3d8fafef2 /include/linux/ceph
parentf66241cb99dac861aa2cedb9f05ffa98d70cbc6e (diff)
libceph: support for lock.lock_info
Add an interface for the Ceph OSD lock.lock_info method and associated data structures. Based heavily on code by Mike Christie <michaelc@cs.wisc.edu>. 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/cls_lock_client.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/ceph/cls_lock_client.h b/include/linux/ceph/cls_lock_client.h
index 4e4dffef22bb..84884d8d4710 100644
--- a/include/linux/ceph/cls_lock_client.h
+++ b/include/linux/ceph/cls_lock_client.h
@@ -9,6 +9,20 @@ enum ceph_cls_lock_type {
CEPH_CLS_LOCK_SHARED = 2,
};
+struct ceph_locker_id {
+ struct ceph_entity_name name; /* locker's client name */
+ char *cookie; /* locker's cookie */
+};
+
+struct ceph_locker_info {
+ struct ceph_entity_addr addr; /* locker's address */
+};
+
+struct ceph_locker {
+ struct ceph_locker_id id;
+ struct ceph_locker_info info;
+};
+
int ceph_cls_lock(struct ceph_osd_client *osdc,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
@@ -24,4 +38,12 @@ int ceph_cls_break_lock(struct ceph_osd_client *osdc,
char *lock_name, char *cookie,
struct ceph_entity_name *locker);
+void ceph_free_lockers(struct ceph_locker *lockers, u32 num_lockers);
+
+int ceph_cls_lock_info(struct ceph_osd_client *osdc,
+ struct ceph_object_id *oid,
+ struct ceph_object_locator *oloc,
+ char *lock_name, u8 *type, char **tag,
+ struct ceph_locker **lockers, u32 *num_lockers);
+
#endif