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authorDouglas Fuller <dfuller@redhat.com>2015-06-18 23:06:10 +0300
committerIlya Dryomov <idryomov@gmail.com>2016-08-25 00:49:15 +0300
commitf66241cb99dac861aa2cedb9f05ffa98d70cbc6e (patch)
treef3ef9ad38ebb057b0e0942b2a87d585a8f3fb41f /include/linux/ceph
parent428a715811fe74e8a8f09b830c8d3b5245096f8d (diff)
downloadlinux-f66241cb99dac861aa2cedb9f05ffa98d70cbc6e.tar.xz
libceph: support for advisory locking on RADOS objects
This patch adds support for rados lock, unlock and break lock. Based heavily on code by Mike Christie <michaelc@cs.wisc.edu>. Signed-off-by: Douglas Fuller <dfuller@redhat.com> 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.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/ceph/cls_lock_client.h b/include/linux/ceph/cls_lock_client.h
new file mode 100644
index 000000000000..4e4dffef22bb
--- /dev/null
+++ b/include/linux/ceph/cls_lock_client.h
@@ -0,0 +1,27 @@
+#ifndef _LINUX_CEPH_CLS_LOCK_CLIENT_H
+#define _LINUX_CEPH_CLS_LOCK_CLIENT_H
+
+#include <linux/ceph/osd_client.h>
+
+enum ceph_cls_lock_type {
+ CEPH_CLS_LOCK_NONE = 0,
+ CEPH_CLS_LOCK_EXCLUSIVE = 1,
+ CEPH_CLS_LOCK_SHARED = 2,
+};
+
+int ceph_cls_lock(struct ceph_osd_client *osdc,
+ struct ceph_object_id *oid,
+ struct ceph_object_locator *oloc,
+ char *lock_name, u8 type, char *cookie,
+ char *tag, char *desc, u8 flags);
+int ceph_cls_unlock(struct ceph_osd_client *osdc,
+ struct ceph_object_id *oid,
+ struct ceph_object_locator *oloc,
+ char *lock_name, char *cookie);
+int ceph_cls_break_lock(struct ceph_osd_client *osdc,
+ struct ceph_object_id *oid,
+ struct ceph_object_locator *oloc,
+ char *lock_name, char *cookie,
+ struct ceph_entity_name *locker);
+
+#endif