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IB/core: Rename write flag to exclusive in rdma_core

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We rename the "write" flags to "exclusive", as it's used for both
WRITE and DESTROY actions.

Fixes: 3832125624 ('IB/core: Add support for idr types')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak
2017-04-18 12:03:37 +03:00
committed by Doug Ledford
parent b58fc80497
commit 30004b861a
2 changed files with 48 additions and 45 deletions
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33
include/rdma/uverbs_types.h
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@@ -54,17 +54,18 @@ struct uverbs_obj_type_class {
* destroyed.
* [lookup]: Starts with lookup_get which fetches and locks the
* object. After the handler finished using the object, it
* needs to call lookup_put to unlock it. The write flag
* indicates if the object is locked for exclusive access.
* [remove]: Starts with lookup_get with write flag set. This locks
* the object for exclusive access. If the handler code
* completed successfully, remove_commit is called and
* the ib_uobject is removed from the context's uobjects
* repository and put. The object itself is destroyed as
* well. Once remove succeeds new krefs to the object
* cannot be acquired by other threads or userspace and
* the hardware driver is removed from the object.
* Other krefs on the object may still exist.
* needs to call lookup_put to unlock it. The exclusive
* flag indicates if the object is locked for exclusive
* access.
* [remove]: Starts with lookup_get with exclusive flag set. This
* locks the object for exclusive access. If the handler
* code completed successfully, remove_commit is called
* and the ib_uobject is removed from the context's
* uobjects repository and put. The object itself is
* destroyed as well. Once remove succeeds new krefs to
* the object cannot be acquired by other threads or
* userspace and the hardware driver is removed from the
* object. Other krefs on the object may still exist.
* If the handler code failed, lookup_put should be
* called. This callback is used when the context
* is destroyed as well (process termination,
@@ -77,10 +78,10 @@ struct uverbs_obj_type_class {
struct ib_uobject *(*lookup_get)(const struct uverbs_obj_type *type,
struct ib_ucontext *ucontext, int id,
bool write);
void (*lookup_put)(struct ib_uobject *uobj, bool write);
bool exclusive);
void (*lookup_put)(struct ib_uobject *uobj, bool exclusive);
/*
* Must be called with the write lock held. If successful uobj is
* Must be called with the exclusive lock held. If successful uobj is
* invalid on return. On failure uobject is left completely
* unchanged
*/
@@ -121,8 +122,8 @@ struct uverbs_obj_idr_type {
struct ib_uobject *rdma_lookup_get_uobject(const struct uverbs_obj_type *type,
struct ib_ucontext *ucontext,
int id, bool write);
void rdma_lookup_put_uobject(struct ib_uobject *uobj, bool write);
int id, bool exclusive);
void rdma_lookup_put_uobject(struct ib_uobject *uobj, bool exclusive);
struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_obj_type *type,
struct ib_ucontext *ucontext);
void rdma_alloc_abort_uobject(struct ib_uobject *uobj);