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-rw-r--r--kernel/acct.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/kernel/acct.c b/kernel/acct.c
index 4168f63..b756f52 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -165,7 +165,7 @@ out:
}
/*
- * Close the old accouting file (if currently open) and then replace
+ * Close the old accounting file (if currently open) and then replace
* it with file (if non-NULL).
*
* NOTE: acct_globals.lock MUST be held on entry and exit.
@@ -199,11 +199,16 @@ static void acct_file_reopen(struct file *file)
}
}
-/*
- * sys_acct() is the only system call needed to implement process
- * accounting. It takes the name of the file where accounting records
- * should be written. If the filename is NULL, accounting will be
- * shutdown.
+/**
+ * sys_acct - enable/disable process accounting
+ * @name: file name for accounting records or NULL to shutdown accounting
+ *
+ * Returns 0 for success or negative errno values for failure.
+ *
+ * sys_acct() is the only system call needed to implement process
+ * accounting. It takes the name of the file where accounting records
+ * should be written. If the filename is NULL, accounting will be
+ * shutdown.
*/
asmlinkage long sys_acct(const char __user *name)
{
@@ -220,7 +225,7 @@ asmlinkage long sys_acct(const char __user *name)
return (PTR_ERR(tmp));
}
/* Difference from BSD - they don't do O_APPEND */
- file = filp_open(tmp, O_WRONLY|O_APPEND, 0);
+ file = filp_open(tmp, O_WRONLY|O_APPEND|O_LARGEFILE, 0);
putname(tmp);
if (IS_ERR(file)) {
return (PTR_ERR(file));
@@ -250,9 +255,12 @@ asmlinkage long sys_acct(const char __user *name)
return (0);
}
-/*
- * If the accouting is turned on for a file in the filesystem pointed
- * to by sb, turn accouting off.
+/**
+ * acct_auto_close - turn off a filesystem's accounting if it is on
+ * @sb: super block for the filesystem
+ *
+ * If the accounting is turned on for a file in the filesystem pointed
+ * to by sb, turn accounting off.
*/
void acct_auto_close(struct super_block *sb)
{
@@ -503,8 +511,11 @@ static void do_acct_process(long exitcode, struct file *file)
set_fs(fs);
}
-/*
+/**
* acct_process - now just a wrapper around do_acct_process
+ * @exitcode: task exit code
+ *
+ * handles process accounting for an exiting task
*/
void acct_process(long exitcode)
{
@@ -530,9 +541,9 @@ void acct_process(long exitcode)
}
-/*
- * acct_update_integrals
- * - update mm integral fields in task_struct
+/**
+ * acct_update_integrals - update mm integral fields in task_struct
+ * @tsk: task_struct for accounting
*/
void acct_update_integrals(struct task_struct *tsk)
{
@@ -547,9 +558,9 @@ void acct_update_integrals(struct task_struct *tsk)
}
}
-/*
- * acct_clear_integrals
- * - clear the mm integral fields in task_struct
+/**
+ * acct_clear_integrals - clear the mm integral fields in task_struct
+ * @tsk: task_struct whose accounting fields are cleared
*/
void acct_clear_integrals(struct task_struct *tsk)
{
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