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* Added a transaction listener mechanism to be notified when a

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transaction ends or has been aborted.
* BFS now listens for transactions when it created an inode to see if 
  the transaction will be aborted without freeing the inode (in which 
  case it will panic for now).
* Started implementing tracing support, but it's not working yet.
* Minor cleanup.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23492 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2008-01-13 17:18:29 +00:00
parent 5276dad057
commit 4fc4f2c8ae
9 changed files with 298 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
headers/os/drivers/fs_cache.h
+13 -2
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2004-2007, Haiku Inc. All Rights Reserved.
* Copyright 2004-2008, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _FS_CACHE_H
@@ -11,7 +11,14 @@
#include <fs_interface.h>
typedef void (*transaction_notification_hook)(int32 id, void *data);
enum {
TRANSACTION_WRITTEN,
TRANSACTION_ABORTED,
TRANSACTION_ENDED
};
typedef void (*transaction_notification_hook)(int32 id, int32 event,
void *data);
#ifdef __cplusplus
extern "C" {
@@ -27,6 +34,10 @@ extern int32 cache_detach_sub_transaction(void *_cache, int32 id,
transaction_notification_hook hook, void *data);
extern status_t cache_abort_sub_transaction(void *_cache, int32 id);
extern status_t cache_start_sub_transaction(void *_cache, int32 id);
extern status_t cache_add_transaction_listener(void *_cache, int32 id,
transaction_notification_hook hook, void *data);
extern status_t cache_remove_transaction_listener(void *_cache, int32 id,
transaction_notification_hook hook, void *data);
extern status_t cache_next_block_in_transaction(void *_cache, int32 id,
uint32 *_cookie, off_t *_blockNumber, void **_data,
void **_unchangedData);
headers/private/fs_shell/fssh_api_wrapper.h
+7 -1
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2007, Ingo Weinhold, [email protected].
* Copyright 2007-2008, Ingo Weinhold, [email protected].
* Distributed under the terms of the MIT License.
*/
#ifndef _FSSH_API_WRAPPER_H
@@ -787,6 +787,10 @@
////////////////////////////////////////////////////////////////////////////////
// #pragma mark - fssh_fs_cache.h
#define TRANSACTION_WRITTEN FSSH_TRANSACTION_WRITTEN
#define TRANSACTION_ABORTED FSSH_TRANSACTION_ABORTED
#define TRANSACTION_ENDED FSSH_TRANSACTION_ENDED
#define transaction_notification_hook fssh_transaction_notification_hook
/* transactions */
@@ -797,6 +801,8 @@
#define cache_detach_sub_transaction fssh_cache_detach_sub_transaction
#define cache_abort_sub_transaction fssh_cache_abort_sub_transaction
#define cache_start_sub_transaction fssh_cache_start_sub_transaction
#define cache_add_transaction_listener fssh_cache_add_transaction_listener
#define cache_remove_transaction_listener fssh_cache_remove_transaction_listener
#define cache_next_block_in_transaction fssh_cache_next_block_in_transaction
#define cache_blocks_in_transaction fssh_cache_blocks_in_transaction
#define cache_blocks_in_sub_transaction fssh_cache_blocks_in_sub_transaction
headers/private/fs_shell/fssh_fs_cache.h
+15 -2
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2004-2007, Haiku Inc. All Rights Reserved.
* Copyright 2004-2008, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _FSSH_FS_CACHE_H
@@ -11,7 +11,14 @@
#include "fssh_fs_interface.h"
typedef void (*fssh_transaction_notification_hook)(int32_t id, void *data);
enum {
FSSH_TRANSACTION_WRITTEN,
FSSH_TRANSACTION_ABORTED,
FSSH_TRANSACTION_ENDED
};
typedef void (*fssh_transaction_notification_hook)(int32_t id, int32_t event,
void *data);
#ifdef __cplusplus
extern "C" {
@@ -31,6 +38,12 @@ extern fssh_status_t fssh_cache_abort_sub_transaction(void *_cache,
int32_t id);
extern fssh_status_t fssh_cache_start_sub_transaction(void *_cache,
int32_t id);
extern fssh_status_t fssh_cache_add_transaction_listener(void *_cache,
int32_t id, fssh_transaction_notification_hook hook,
void *data);
extern fssh_status_t fssh_cache_remove_transaction_listener(void *_cache,
int32_t id, fssh_transaction_notification_hook hook,
void *data);
extern fssh_status_t fssh_cache_next_block_in_transaction(void *_cache,
int32_t id, uint32_t *_cookie,
fssh_off_t *_blockNumber, void **_data,