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Revert the kernel mutex split phase I patch. Some artefacts have been left

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in the code but they have nothing to do with the kernel mutex split code.
Some subsequent commits use the new functions. This patch has been tested
with: ./mtr --suite=innodb with UNIV_DEBUG and UNIV_SYNC_DEBUG enabled.
All tests were successful.
This commit is contained in:
Sunny Bains
2010-05-12 11:18:10 +10:00
parent 8de7ea8f2c
commit 02fc9f0223
9 changed files with 280 additions and 431 deletions
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41
storage/innobase/include/srv0srv.h
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@ -239,6 +239,7 @@ extern ibool srv_print_latch_waits;
# define srv_print_latch_waits FALSE
#endif /* UNIV_DEBUG */
extern ulint srv_activity_count;
extern ulint srv_fatal_semaphore_wait_threshold;
extern ulint srv_dml_needed_delay;
@ -313,6 +314,12 @@ typedef struct export_var_struct export_struc;
/** Status variables to be passed to MySQL */
extern export_struc export_vars;
/** The server system */
typedef struct srv_sys_struct srv_sys_t;
/** The server system */
extern srv_sys_t* srv_sys;
# ifdef UNIV_PFS_THREAD
/* Keys to register InnoDB threads with performance schema */
extern mysql_pfs_key_t trx_rollback_clean_thread_key;
@ -414,8 +421,6 @@ enum srv_thread_type {
be biggest) */
};
struct srv_slot_struct;
/*********************************************************************//**
Boots Innobase server.
@return DB_SUCCESS or error code */
@ -466,6 +471,17 @@ srv_set_io_thread_op_info(
const char* str); /*!< in: constant char string describing the
state */
/*********************************************************************//**
Releases threads of the type given from suspension in the thread table.
NOTE! The server mutex has to be reserved by the caller!
@return number of threads released: this may be less than n if not
enough threads were suspended at the moment */
UNIV_INTERN
ulint
srv_release_threads(
/*================*/
enum srv_thread_type type, /*!< in: thread type */
ulint n); /*!< in: number of threads to release */
/*********************************************************************//**
The master thread controlling the server.
@return a dummy parameter */
UNIV_INTERN
@ -612,13 +628,6 @@ void
srv_export_innodb_status(void);
/*==========================*/
/******************************************************************//**
Increment the server activity counter. */
UNIV_INTERN
void
srv_inc_activity_count(void);
/*=========================*/
/*********************************************************************//**
Asynchronous purge thread.
@return a dummy parameter */
@ -700,6 +709,20 @@ struct export_var_struct{
ulint innodb_rows_deleted; /*!< srv_n_rows_deleted */
};
/** Thread slot in the thread table */
typedef struct srv_slot_struct srv_slot_t;
/** Thread table is an array of slots */
typedef srv_slot_t srv_table_t;
/** The server system struct */
struct srv_sys_struct{
srv_table_t* threads; /*!< server thread table */
UT_LIST_BASE_NODE_T(que_thr_t)
tasks; /*!< task queue */
};
extern ulint srv_n_threads_active[];
#else /* !UNIV_HOTBACKUP */
# define srv_use_adaptive_hash_indexes FALSE
# define srv_use_checksums TRUE