/**
* Per-layer part of cl_lock
*
- * \see ccc_lock, lov_lock, lovsub_lock, osc_lock
+ * \see vvp_lock, lov_lock, lovsub_lock, osc_lock
*/
struct cl_lock_slice {
struct cl_lock *cls_lock;
* @anchor for resources
* \retval -ve failure
*
- * \see ccc_lock_enqueue(), lov_lock_enqueue(), lovsub_lock_enqueue(),
+ * \see vvp_lock_enqueue(), lov_lock_enqueue(), lovsub_lock_enqueue(),
* \see osc_lock_enqueue()
*/
int (*clo_enqueue)(const struct lu_env *env,
/**
* Destructor. Frees resources and the slice.
*
- * \see ccc_lock_fini(), lov_lock_fini(), lovsub_lock_fini(),
+ * \see vvp_lock_fini(), lov_lock_fini(), lovsub_lock_fini(),
* \see osc_lock_fini()
*/
void (*clo_fini)(const struct lu_env *env, struct cl_lock_slice *slice);
* ccc_ prefix stands for "Common Client Code".
*/
-static struct kmem_cache *ccc_lock_kmem;
static struct kmem_cache *ccc_thread_kmem;
static struct kmem_cache *ccc_session_kmem;
static struct kmem_cache *ccc_req_kmem;
static struct lu_kmem_descr ccc_caches[] = {
- {
- .ckd_cache = &ccc_lock_kmem,
- .ckd_name = "ccc_lock_kmem",
- .ckd_size = sizeof(struct ccc_lock)
- },
{
.ckd_cache = &ccc_thread_kmem,
.ckd_name = "ccc_thread_kmem",
lu_kmem_fini(ccc_caches);
}
-int ccc_lock_init(const struct lu_env *env,
- struct cl_object *obj, struct cl_lock *lock,
- const struct cl_io *unused,
- const struct cl_lock_operations *lkops)
-{
- struct ccc_lock *clk;
- int result;
-
- CLOBINVRNT(env, obj, vvp_object_invariant(obj));
-
- clk = kmem_cache_zalloc(ccc_lock_kmem, GFP_NOFS);
- if (clk) {
- cl_lock_slice_add(lock, &clk->clk_cl, obj, lkops);
- result = 0;
- } else {
- result = -ENOMEM;
- }
- return result;
-}
-
static void vvp_object_size_lock(struct cl_object *obj)
{
struct inode *inode = vvp_object_inode(obj);
ll_inode_size_unlock(inode);
}
-/*****************************************************************************
- *
- * Lock operations.
- *
- */
-
-void ccc_lock_fini(const struct lu_env *env, struct cl_lock_slice *slice)
-{
- struct ccc_lock *clk = cl2ccc_lock(slice);
-
- kmem_cache_free(ccc_lock_kmem, clk);
-}
-
-int ccc_lock_enqueue(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- struct cl_io *unused, struct cl_sync_io *anchor)
-{
- CLOBINVRNT(env, slice->cls_obj, vvp_object_invariant(slice->cls_obj));
- return 0;
-}
-
/*****************************************************************************
*
* io operations.
*
*/
-struct ccc_lock *cl2ccc_lock(const struct cl_lock_slice *slice)
-{
- return container_of(slice, struct ccc_lock, clk_cl);
-}
-
struct ccc_io *cl2ccc_io(const struct lu_env *env,
const struct cl_io_slice *slice)
{
* "llite_" (var. "ll_") prefix.
*/
+struct kmem_cache *vvp_lock_kmem;
struct kmem_cache *vvp_object_kmem;
static struct kmem_cache *vvp_thread_kmem;
static struct kmem_cache *vvp_session_kmem;
static struct lu_kmem_descr vvp_caches[] = {
+ {
+ .ckd_cache = &vvp_lock_kmem,
+ .ckd_name = "vvp_lock_kmem",
+ .ckd_size = sizeof(struct vvp_lock),
+ },
{
.ckd_cache = &vvp_object_kmem,
.ckd_name = "vvp_object_kmem",
extern struct lu_context_key ccc_key;
extern struct lu_context_key ccc_session_key;
+extern struct kmem_cache *vvp_lock_kmem;
extern struct kmem_cache *vvp_object_kmem;
struct ccc_thread_info {
struct cl_device *vdv_next;
};
-struct ccc_lock {
- struct cl_lock_slice clk_cl;
+struct vvp_lock {
+ struct cl_lock_slice vlk_cl;
};
struct ccc_req {
void ccc_umount(const struct lu_env *env, struct cl_device *dev);
int ccc_global_init(struct lu_device_type *device_type);
void ccc_global_fini(struct lu_device_type *device_type);
-int ccc_lock_init(const struct lu_env *env, struct cl_object *obj,
- struct cl_lock *lock, const struct cl_io *io,
- const struct cl_lock_operations *lkops);
-void ccc_lock_delete(const struct lu_env *env,
- const struct cl_lock_slice *slice);
-void ccc_lock_fini(const struct lu_env *env, struct cl_lock_slice *slice);
-int ccc_lock_enqueue(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- struct cl_io *io, struct cl_sync_io *anchor);
int ccc_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
__u32 enqflags, enum cl_lock_mode mode,
return cl2vvp_page(slice)->vpg_page;
}
-struct ccc_lock *cl2ccc_lock(const struct cl_lock_slice *slice);
+static inline struct vvp_lock *cl2vvp_lock(const struct cl_lock_slice *slice)
+{
+ return container_of(slice, struct vvp_lock, vlk_cl);
+}
+
struct ccc_io *cl2ccc_io(const struct lu_env *env,
const struct cl_io_slice *slice);
struct ccc_req *cl2ccc_req(const struct cl_req_slice *slice);
#define DEBUG_SUBSYSTEM S_LLITE
-#include "../include/obd.h"
+#include "../include/obd_support.h"
#include "../include/lustre_lite.h"
#include "vvp_internal.h"
*
*/
+static void vvp_lock_fini(const struct lu_env *env, struct cl_lock_slice *slice)
+{
+ struct vvp_lock *vlk = cl2vvp_lock(slice);
+
+ kmem_cache_free(vvp_lock_kmem, vlk);
+}
+
+static int vvp_lock_enqueue(const struct lu_env *env,
+ const struct cl_lock_slice *slice,
+ struct cl_io *unused, struct cl_sync_io *anchor)
+{
+ CLOBINVRNT(env, slice->cls_obj, vvp_object_invariant(slice->cls_obj));
+
+ return 0;
+}
+
static const struct cl_lock_operations vvp_lock_ops = {
- .clo_fini = ccc_lock_fini,
- .clo_enqueue = ccc_lock_enqueue
+ .clo_fini = vvp_lock_fini,
+ .clo_enqueue = vvp_lock_enqueue,
};
int vvp_lock_init(const struct lu_env *env, struct cl_object *obj,
- struct cl_lock *lock, const struct cl_io *io)
+ struct cl_lock *lock, const struct cl_io *unused)
{
- return ccc_lock_init(env, obj, lock, io, &vvp_lock_ops);
+ struct vvp_lock *vlk;
+ int result;
+
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));
+
+ vlk = kmem_cache_zalloc(vvp_lock_kmem, GFP_NOFS);
+ if (vlk) {
+ cl_lock_slice_add(lock, &vlk->vlk_cl, obj, &vvp_lock_ops);
+ result = 0;
+ } else {
+ result = -ENOMEM;
+ }
+ return result;
}
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