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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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9
fs/eventfd.c
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@ -287,17 +287,14 @@ static ssize_t eventfd_write(struct file *file, const char __user *buf, size_t c
}
#ifdef CONFIG_PROC_FS
static int eventfd_show_fdinfo(struct seq_file *m, struct file *f)
static void eventfd_show_fdinfo(struct seq_file *m, struct file *f)
{
struct eventfd_ctx *ctx = f->private_data;
int ret;
spin_lock_irq(&ctx->wqh.lock);
ret = seq_printf(m, "eventfd-count: %16llx\n",
(unsigned long long)ctx->count);
seq_printf(m, "eventfd-count: %16llx\n",
(unsigned long long)ctx->count);
spin_unlock_irq(&ctx->wqh.lock);
return ret;
}
#endif