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fs: Convert show_fdinfo functions to void

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seq_printf functions shouldn't really check the return value.
Checking seq_has_overflowed() occasionally is used instead.

Update vfs documentation.

Link: http://lkml.kernel.org/p/e37e6e7b76acbdcc3bb4ab2a57c8f8ca1ae11b9a.1412031505.git.joe@perches.com

Cc: David S. Miller <davem@davemloft.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Joe Perches <joe@perches.com>
[ did a few clean ups ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Joe Perches 2014-09-29 16:08:25 -07:00 • committed by Steven Rostedt
parent f365ef9b79
commit a3816ab0e8
10 changed files with 63 additions and 83 deletions
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27
fs/timerfd.c
View file

@ -288,7 +288,7 @@ static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
}
#ifdef CONFIG_PROC_FS
static int timerfd_show(struct seq_file *m, struct file *file)
static void timerfd_show(struct seq_file *m, struct file *file)
{
struct timerfd_ctx *ctx = file->private_data;
struct itimerspec t;
@ -298,18 +298,19 @@ static int timerfd_show(struct seq_file *m, struct file *file)
t.it_interval = ktime_to_timespec(ctx->tintv);
spin_unlock_irq(&ctx->wqh.lock);
return seq_printf(m,
"clockid: %d\n"
"ticks: %llu\n"
"settime flags: 0%o\n"
"it_value: (%llu, %llu)\n"
"it_interval: (%llu, %llu)\n",
ctx->clockid, (unsigned long long)ctx->ticks,
ctx->settime_flags,
(unsigned long long)t.it_value.tv_sec,
(unsigned long long)t.it_value.tv_nsec,
(unsigned long long)t.it_interval.tv_sec,
(unsigned long long)t.it_interval.tv_nsec);
seq_printf(m,
"clockid: %d\n"
"ticks: %llu\n"
"settime flags: 0%o\n"
"it_value: (%llu, %llu)\n"
"it_interval: (%llu, %llu)\n",
ctx->clockid,
(unsigned long long)ctx->ticks,
ctx->settime_flags,
(unsigned long long)t.it_value.tv_sec,
(unsigned long long)t.it_value.tv_nsec,
(unsigned long long)t.it_interval.tv_sec,
(unsigned long long)t.it_interval.tv_nsec);
}
#else
#define timerfd_show NULL