aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/acct.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/acct.c')
-rw-r--r--kernel/acct.c43
1 files changed, 27 insertions, 16 deletions
diff --git a/kernel/acct.c b/kernel/acct.c
index f70e6027cca9..b756f527497e 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -165,7 +165,7 @@ out:
165} 165}
166 166
167/* 167/*
168 * Close the old accouting file (if currently open) and then replace 168 * Close the old accounting file (if currently open) and then replace
169 * it with file (if non-NULL). 169 * it with file (if non-NULL).
170 * 170 *
171 * NOTE: acct_globals.lock MUST be held on entry and exit. 171 * NOTE: acct_globals.lock MUST be held on entry and exit.
@@ -199,11 +199,16 @@ static void acct_file_reopen(struct file *file)
199 } 199 }
200} 200}
201 201
202/* 202/**
203 * sys_acct() is the only system call needed to implement process 203 * sys_acct - enable/disable process accounting
204 * accounting. It takes the name of the file where accounting records 204 * @name: file name for accounting records or NULL to shutdown accounting
205 * should be written. If the filename is NULL, accounting will be 205 *
206 * shutdown. 206 * Returns 0 for success or negative errno values for failure.
207 *
208 * sys_acct() is the only system call needed to implement process
209 * accounting. It takes the name of the file where accounting records
210 * should be written. If the filename is NULL, accounting will be
211 * shutdown.
207 */ 212 */
208asmlinkage long sys_acct(const char __user *name) 213asmlinkage long sys_acct(const char __user *name)
209{ 214{
@@ -250,9 +255,12 @@ asmlinkage long sys_acct(const char __user *name)
250 return (0); 255 return (0);
251} 256}
252 257
253/* 258/**
254 * If the accouting is turned on for a file in the filesystem pointed 259 * acct_auto_close - turn off a filesystem's accounting if it is on
255 * to by sb, turn accouting off. 260 * @sb: super block for the filesystem
261 *
262 * If the accounting is turned on for a file in the filesystem pointed
263 * to by sb, turn accounting off.
256 */ 264 */
257void acct_auto_close(struct super_block *sb) 265void acct_auto_close(struct super_block *sb)
258{ 266{
@@ -503,8 +511,11 @@ static void do_acct_process(long exitcode, struct file *file)
503 set_fs(fs); 511 set_fs(fs);
504} 512}
505 513
506/* 514/**
507 * acct_process - now just a wrapper around do_acct_process 515 * acct_process - now just a wrapper around do_acct_process
516 * @exitcode: task exit code
517 *
518 * handles process accounting for an exiting task
508 */ 519 */
509void acct_process(long exitcode) 520void acct_process(long exitcode)
510{ 521{
@@ -530,9 +541,9 @@ void acct_process(long exitcode)
530} 541}
531 542
532 543
533/* 544/**
534 * acct_update_integrals 545 * acct_update_integrals - update mm integral fields in task_struct
535 * - update mm integral fields in task_struct 546 * @tsk: task_struct for accounting
536 */ 547 */
537void acct_update_integrals(struct task_struct *tsk) 548void acct_update_integrals(struct task_struct *tsk)
538{ 549{
@@ -547,9 +558,9 @@ void acct_update_integrals(struct task_struct *tsk)
547 } 558 }
548} 559}
549 560
550/* 561/**
551 * acct_clear_integrals 562 * acct_clear_integrals - clear the mm integral fields in task_struct
552 * - clear the mm integral fields in task_struct 563 * @tsk: task_struct whose accounting fields are cleared
553 */ 564 */
554void acct_clear_integrals(struct task_struct *tsk) 565void acct_clear_integrals(struct task_struct *tsk)
555{ 566{