linux-kernel - Re: [PATCH] staging: kernel: fixed style warnings in acct.c

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Date:	Fri, 5 Dec 2014 17:30:47 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	"Joshua I. James" <joshua@...ercrimetech.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: kernel: fixed style warnings in acct.c

On Fri, Dec 05, 2014 at 01:47:34PM +0900, Joshua I. James wrote:
> From: "Joshua I. James" <joshua@...ercrimetech.com>
> 
> Fixed style errors identified by checkpatch.
> 
> Output of checkpatch:
> WARNING: Missing a blank line after declarations
> WARNING: line over 80 characters
> ERROR: spaces required around that '==' (ctx:VxV)
> +#if ACCT_VERSION==2
> 
> Signed-off-by: Joshua I. James <joshua@...ercrimetech.com>

1) kernel is not part of staging. Give your subject properly.
2) Do not use Initials in your From and Signed-off.

thanks
sudip

> ---
>  kernel/acct.c | 22 ++++++++++++++++------
>  1 file changed, 16 insertions(+), 6 deletions(-)
> 
> diff --git a/kernel/acct.c b/kernel/acct.c
> index 33738ef..322159c 100644
> --- a/kernel/acct.c
> +++ b/kernel/acct.c
> @@ -105,6 +105,7 @@ static int check_free_space(struct bsd_acct_struct *acct)
>  
>  	if (acct->active) {
>  		u64 suspend = sbuf.f_blocks * SUSPEND;
> +
>  		do_div(suspend, 100);
>  		if (sbuf.f_bavail <= suspend) {
>  			acct->active = 0;
> @@ -112,6 +113,7 @@ static int check_free_space(struct bsd_acct_struct *acct)
>  		}
>  	} else {
>  		u64 resume = sbuf.f_blocks * RESUME;
> +
>  		do_div(resume, 100);
>  		if (sbuf.f_bavail >= resume) {
>  			acct->active = 1;
> @@ -152,8 +154,10 @@ again:
>  
>  static void close_work(struct work_struct *work)
>  {
> -	struct bsd_acct_struct *acct = container_of(work, struct bsd_acct_struct, work);
> +	struct bsd_acct_struct *acct =
> +		container_of(work, struct bsd_acct_struct, work);
>  	struct file *file = acct->file;
> +
>  	if (file->f_op->flush)
>  		file->f_op->flush(file, NULL);
>  	__fput_sync(file);
> @@ -165,6 +169,7 @@ static void acct_kill(struct bsd_acct_struct *acct,
>  {
>  	if (acct) {
>  		struct pid_namespace *ns = acct->ns;
> +
>  		do_acct_process(acct);
>  		INIT_WORK(&acct->work, close_work);
>  		init_completion(&acct->done);
> @@ -182,6 +187,7 @@ static void acct_kill(struct bsd_acct_struct *acct,
>  static void acct_pin_kill(struct fs_pin *pin)
>  {
>  	struct bsd_acct_struct *acct;
> +
>  	acct = container_of(pin, struct bsd_acct_struct, pin);
>  	mutex_lock(&acct->lock);
>  	if (!acct->ns) {
> @@ -448,15 +454,17 @@ static void fill_ac(acct_t *ac)
>  #endif
>  	do_div(elapsed, AHZ);
>  	ac->ac_btime = get_seconds() - elapsed;
> -#if ACCT_VERSION==2
> +#if ACCT_VERSION == 2
>  	ac->ac_ahz = AHZ;
>  #endif
>  
>  	spin_lock_irq(&current->sighand->siglock);
>  	tty = current->signal->tty;	/* Safe as we hold the siglock */
>  	ac->ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0;
> -	ac->ac_utime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_utime)));
> -	ac->ac_stime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_stime)));
> +	ac->ac_utime = encode_comp_t(jiffies_to_AHZ(
> +		cputime_to_jiffies(pacct->ac_utime)));
> +	ac->ac_stime = encode_comp_t(jiffies_to_AHZ(
> +		cputime_to_jiffies(pacct->ac_stime)));
>  	ac->ac_flag = pacct->ac_flag;
>  	ac->ac_mem = encode_comp_t(pacct->ac_mem);
>  	ac->ac_minflt = encode_comp_t(pacct->ac_minflt);
> @@ -504,8 +512,8 @@ static void do_acct_process(struct bsd_acct_struct *acct)
>  
>  		ac.ac_pid = task_tgid_nr_ns(current, ns);
>  		rcu_read_lock();
> -		ac.ac_ppid = task_tgid_nr_ns(rcu_dereference(current->real_parent),
> -					     ns);
> +		ac.ac_ppid = task_tgid_nr_ns(rcu_dereference(
> +			current->real_parent), ns);
>  		rcu_read_unlock();
>  	}
>  #endif
> @@ -516,6 +524,7 @@ static void do_acct_process(struct bsd_acct_struct *acct)
>  	if (file_start_write_trylock(file)) {
>  		/* it's been opened O_APPEND, so position is irrelevant */
>  		loff_t pos = 0;
> +
>  		__kernel_write(file, (char *)&ac, sizeof(acct_t), &pos);
>  		file_end_write(file);
>  	}
> @@ -573,6 +582,7 @@ static void slow_acct_process(struct pid_namespace *ns)
>  {
>  	for ( ; ns; ns = ns->parent) {
>  		struct bsd_acct_struct *acct = acct_get(ns);
> +
>  		if (acct) {
>  			do_acct_process(acct);
>  			mutex_unlock(&acct->lock);
> -- 
> 1.9.1
> 
> --
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