d4ed4a5305
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>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#ifndef _LINUX_CEPH_CLS_LOCK_CLIENT_H
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#define _LINUX_CEPH_CLS_LOCK_CLIENT_H
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#include <linux/ceph/osd_client.h>
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enum ceph_cls_lock_type {
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CEPH_CLS_LOCK_NONE = 0,
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CEPH_CLS_LOCK_EXCLUSIVE = 1,
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CEPH_CLS_LOCK_SHARED = 2,
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};
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struct ceph_locker_id {
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struct ceph_entity_name name; /* locker's client name */
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char *cookie; /* locker's cookie */
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};
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struct ceph_locker_info {
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struct ceph_entity_addr addr; /* locker's address */
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};
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struct ceph_locker {
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struct ceph_locker_id id;
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struct ceph_locker_info info;
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};
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int ceph_cls_lock(struct ceph_osd_client *osdc,
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struct ceph_object_id *oid,
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struct ceph_object_locator *oloc,
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char *lock_name, u8 type, char *cookie,
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char *tag, char *desc, u8 flags);
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int ceph_cls_unlock(struct ceph_osd_client *osdc,
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struct ceph_object_id *oid,
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struct ceph_object_locator *oloc,
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char *lock_name, char *cookie);
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int ceph_cls_break_lock(struct ceph_osd_client *osdc,
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struct ceph_object_id *oid,
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struct ceph_object_locator *oloc,
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char *lock_name, char *cookie,
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struct ceph_entity_name *locker);
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void ceph_free_lockers(struct ceph_locker *lockers, u32 num_lockers);
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int ceph_cls_lock_info(struct ceph_osd_client *osdc,
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struct ceph_object_id *oid,
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struct ceph_object_locator *oloc,
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char *lock_name, u8 *type, char **tag,
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struct ceph_locker **lockers, u32 *num_lockers);
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#endif
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