#include <linux/fs.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>

static int devinfo_show(struct seq_file *f, void *v)
{
	int i = *(loff_t *) v;

	if (i < CHRDEV_MAJOR_HASH_SIZE) {
		if (i == 0)
			seq_puts(f, "Character devices:\n");
		chrdev_show(f, i);
	}
#ifdef CONFIG_BLOCK
	else {
		i -= CHRDEV_MAJOR_HASH_SIZE;
		if (i == 0)
			seq_puts(f, "\nBlock devices:\n");
		blkdev_show(f, i);
	}
#endif
	return 0;
}

static void *devinfo_start(struct seq_file *f, loff_t *pos)
{
	if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
		return pos;
	return NULL;
}

static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
{
	(*pos)++;
	if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
		return NULL;
	return pos;
}

static void devinfo_stop(struct seq_file *f, void *v)
{
	/* Nothing to do */
}

static const struct seq_operations devinfo_ops = {
	.start = devinfo_start,
	.next  = devinfo_next,
	.stop  = devinfo_stop,
	.show  = devinfo_show
};

static int devinfo_open(struct inode *inode, struct file *filp)
{
	return seq_open(filp, &devinfo_ops);
}

static const struct file_operations proc_devinfo_operations = {
	.open		= devinfo_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

static int __init proc_devices_init(void)
{
	proc_create("devices", 0, NULL, &proc_devinfo_operations);
	return 0;
}
fs_initcall(proc_devices_init);
><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=0e0694ff1a7791274946b7f51bae692da0001a08'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=0e0694ff1a7791274946b7f51bae692da0001a08'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace?id=0e0694ff1a7791274946b7f51bae692da0001a08'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events?id=0e0694ff1a7791274946b7f51bae692da0001a08'>events</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/jbd2.h?id=0e0694ff1a7791274946b7f51bae692da0001a08'>jbd2.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='0e0694ff1a7791274946b7f51bae692da0001a08'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Mauro Carvalho Chehab &lt;mchehab@s-opensource.com&gt;</td><td class='right'>2016-12-26 14:09:28 -0200</td></tr>
<tr><th>committer</th><td>Mauro Carvalho Chehab &lt;mchehab@s-opensource.com&gt;</td><td class='right'>2016-12-26 14:09:28 -0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/jbd2.h?id=0e0694ff1a7791274946b7f51bae692da0001a08'>0e0694ff1a7791274946b7f51bae692da0001a08</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/trace/events/jbd2.h?id=0e0694ff1a7791274946b7f51bae692da0001a08'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0e0694ff1a7791274946b7f51bae692da0001a08'>53d28f58d793c151aa870f17d38ddec6ac01ec7a</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/jbd2.h?id=0e0694ff1a7791274946b7f51bae692da0001a08'>include/trace/events/jbd2.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/jbd2.h?id=65390ea01ce678379da32b01f39fcfac4903f256'>65390ea01ce678379da32b01f39fcfac4903f256</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/jbd2.h?id=0e0694ff1a7791274946b7f51bae692da0001a08&amp;id2=65390ea01ce678379da32b01f39fcfac4903f256'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/jbd2.h?id=c739c0a7c3c2472d7562b8f802cdce44d2597c8b'>c739c0a7c3c2472d7562b8f802cdce44d2597c8b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/jbd2.h?id=0e0694ff1a7791274946b7f51bae692da0001a08&amp;id2=c739c0a7c3c2472d7562b8f802cdce44d2597c8b'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'patchwork' into v4l_for_linus</div><div class='commit-msg'>* patchwork:
  [media] s5k4ecgx: select CRC32 helper
  [media] dvb: avoid warning in dvb_net
  [media] v4l: tvp5150: Don't override output pinmuxing at stream on/off time
  [media] v4l: tvp5150: Fix comment regarding output pin muxing
  [media] v4l: tvp5150: Reset device at probe time, not in get/set format handlers
  [media] pctv452e: move buffer to heap, no mutex
  [media] media/cobalt: use pci_irq_allocate_vectors
  [media] cec: fix race between configuring and unconfiguring
  [media] cec: move cec_report_phys_addr into cec_config_thread_func
  [media] cec: replace cec_report_features by cec_fill_msg_report_features
  [media] cec: update log_addr[] before finishing configuration
  [media] cec: CEC_MSG_GIVE_FEATURES should abort for CEC version &lt; 2
  [media] cec: when canceling a message, don't overwrite old status info
  [media] cec: fix report_current_latency
  [media] smiapp: Make suspend and resume functions __maybe_unused
  [media] smiapp: Implement power-on and power-off sequences without runtime PM
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0e0694ff1a7791274946b7f51bae692da0001a08'>Diffstat</a> (limited to 'include/trace/events/jbd2.h')</div><table summary='diffstat' class='diffstat'>