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dm vdo thread-registry: rename all methods to reflect vdo-only use

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Otherwise, uds_ prefix is misleading (vdo_ is the new catch-all for
code that is used by vdo-only or _both_ vdo and the indexer code).

Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
This commit is contained in:
Mike Snitzer 2024-02-09 14:04:34 -06:00
parent cb6f8b7500
commit 82b354ffe2
4 changed files with 21 additions and 21 deletions
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12
drivers/md/dm-vdo/memory-alloc.c
View file

@ -15,14 +15,14 @@
/*
* UDS and VDO keep track of which threads are allowed to allocate memory freely, and which threads
* must be careful to not do a memory allocation that does an I/O request. The allocating_threads
* threads_registry and its associated methods implement this tracking.
* must be careful to not do a memory allocation that does an I/O request. The 'allocating_threads'
* thread_registry and its associated methods implement this tracking.
*/
static struct thread_registry allocating_threads;
static bool allocations_allowed(void)
{
const bool *pointer = uds_lookup_thread(&allocating_threads);
const bool *pointer = vdo_lookup_thread(&allocating_threads);
return (pointer != NULL) ? *pointer : false;
}
@ -48,13 +48,13 @@ void uds_register_allocating_thread(struct registered_thread *new_thread,
flag_ptr = &allocation_always_allowed;
}
uds_register_thread(&allocating_threads, new_thread, flag_ptr);
vdo_register_thread(&allocating_threads, new_thread, flag_ptr);
}
/* Unregister the current thread as an allocating thread. */
void uds_unregister_allocating_thread(void)
{
uds_unregister_thread(&allocating_threads);
vdo_unregister_thread(&allocating_threads);
}
/*
@ -384,7 +384,7 @@ int uds_duplicate_string(const char *string, const char *what, char **new_string
void uds_memory_init(void)
{
spin_lock_init(&memory_stats.lock);
uds_initialize_thread_registry(&allocating_threads);
vdo_initialize_thread_registry(&allocating_threads);
}
void uds_memory_exit(void)

8
drivers/md/dm-vdo/thread-device.c
View file

@ -14,23 +14,23 @@ static struct thread_registry device_id_thread_registry;
void uds_register_thread_device_id(struct registered_thread *new_thread,
unsigned int *id_ptr)
{
uds_register_thread(&device_id_thread_registry, new_thread, id_ptr);
vdo_register_thread(&device_id_thread_registry, new_thread, id_ptr);
}
void uds_unregister_thread_device_id(void)
{
uds_unregister_thread(&device_id_thread_registry);
vdo_unregister_thread(&device_id_thread_registry);
}
int uds_get_thread_device_id(void)
{
const unsigned int *pointer;
pointer = uds_lookup_thread(&device_id_thread_registry);
pointer = vdo_lookup_thread(&device_id_thread_registry);
return (pointer != NULL) ? *pointer : -1;
}
void uds_initialize_thread_device_registry(void)
{
uds_initialize_thread_registry(&device_id_thread_registry);
vdo_initialize_thread_registry(&device_id_thread_registry);
}

8
drivers/md/dm-vdo/thread-registry.c
View file

@ -14,14 +14,14 @@
* their normal operation. For example, we do not want to invoke the logger while holding a lock.
*/
void uds_initialize_thread_registry(struct thread_registry *registry)
void vdo_initialize_thread_registry(struct thread_registry *registry)
{
INIT_LIST_HEAD(&registry->links);
spin_lock_init(&registry->lock);
}
/* Register the current thread and associate it with a data pointer. */
void uds_register_thread(struct thread_registry *registry,
void vdo_register_thread(struct thread_registry *registry,
struct registered_thread *new_thread, const void *pointer)
{
struct registered_thread *thread;
@ -51,7 +51,7 @@ void uds_register_thread(struct thread_registry *registry,
}
}
void uds_unregister_thread(struct thread_registry *registry)
void vdo_unregister_thread(struct thread_registry *registry)
{
struct registered_thread *thread;
bool found_it = false;
@ -74,7 +74,7 @@ void uds_unregister_thread(struct thread_registry *registry)
}
}
const void *uds_lookup_thread(struct thread_registry *registry)
const void *vdo_lookup_thread(struct thread_registry *registry)
{
struct registered_thread *thread;
const void *result = NULL;

14
drivers/md/dm-vdo/thread-registry.h
View file

@ -3,8 +3,8 @@
* Copyright 2023 Red Hat
*/
#ifndef UDS_THREAD_REGISTRY_H
#define UDS_THREAD_REGISTRY_H
#ifndef VDO_THREAD_REGISTRY_H
#define VDO_THREAD_REGISTRY_H
#include <linux/list.h>
#include <linux/spinlock.h>
@ -20,13 +20,13 @@ struct registered_thread {
struct task_struct *task;
};
void uds_initialize_thread_registry(struct thread_registry *registry);
void vdo_initialize_thread_registry(struct thread_registry *registry);
void uds_register_thread(struct thread_registry *registry,
void vdo_register_thread(struct thread_registry *registry,
struct registered_thread *new_thread, const void *pointer);
void uds_unregister_thread(struct thread_registry *registry);
void vdo_unregister_thread(struct thread_registry *registry);
const void *uds_lookup_thread(struct thread_registry *registry);
const void *vdo_lookup_thread(struct thread_registry *registry);
#endif /* UDS_THREAD_REGISTRY_H */
#endif /* VDO_THREAD_REGISTRY_H */