/*
 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License version 2.
 */

#ifndef __DIO_DOT_H__
#define __DIO_DOT_H__

#include <linux/buffer_head.h>
#include <linux/string.h>
#include "incore.h"

static inline void gfs2_buffer_clear(struct buffer_head *bh)
{
	memset(bh->b_data, 0, bh->b_size);
}

static inline void gfs2_buffer_clear_tail(struct buffer_head *bh, int head)
{
	BUG_ON(head > bh->b_size);
	memset(bh->b_data + head, 0, bh->b_size - head);
}

static inline void gfs2_buffer_copy_tail(struct buffer_head *to_bh,
					 int to_head,
					 struct buffer_head *from_bh,
					 int from_head)
{
	BUG_ON(from_head < to_head);
	memcpy(to_bh->b_data + to_head, from_bh->b_data + from_head,
	       from_bh->b_size - from_head);
	memset(to_bh->b_data + to_bh->b_size + to_head - from_head,
	       0, from_head - to_head);
}

extern const struct address_space_operations gfs2_meta_aops;
extern const struct address_space_operations gfs2_rgrp_aops;

static inline struct gfs2_sbd *gfs2_mapping2sbd(struct address_space *mapping)
{
	struct inode *inode = mapping->host;
	if (mapping->a_ops == &gfs2_meta_aops)
		return (((struct gfs2_glock *)mapping) - 1)->gl_name.ln_sbd;
	else if (mapping->a_ops == &gfs2_rgrp_aops)
		return container_of(mapping, struct gfs2_sbd, sd_aspace);
	else
		return inode->i_sb->s_fs_info;
}

extern struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno);
extern int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
			  int rahead, struct buffer_head **bhp);
extern int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);
extern struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno,
				       int create);
enum {
	REMOVE_JDATA = 0,
	REMOVE_META = 1,
};

extern void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
extern void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
extern int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num,
				     struct buffer_head **bhp);

static inline int gfs2_meta_inode_buffer(struct gfs2_inode *ip,
					 struct buffer_head **bhp)
{
	return gfs2_meta_indirect_buffer(ip, 0, ip->i_no_addr, bhp);
}

struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen);

#define buffer_busy(bh) \
((bh)->b_state & ((1ul << BH_Dirty) | (1ul << BH_Lock) | (1ul << BH_Pinned)))

#endif /* __DIO_DOT_H__ */

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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/usbip?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>usbip</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/usbip/stub_main.c?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>stub_main.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'/><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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-28 15:09:23 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-28 15:09:23 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/usbip/stub_main.c?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>53cd1ad1a68fd10f677445e04ed63aa9ce39b36b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/usbip/stub_main.c?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>c3401d2cbce4615b9a4e1d2bc060e8a310321eaa</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/usbip/stub_main.c?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>drivers/usb/usbip/stub_main.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/usbip/stub_main.c?id=d56a5ca366e785f463b4782f65daac883612a2b2'>d56a5ca366e785f463b4782f65daac883612a2b2</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/usbip/stub_main.c?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b&amp;id2=d56a5ca366e785f463b4782f65daac883612a2b2'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/usbip/stub_main.c?id=e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'>e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/usbip/stub_main.c?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b&amp;id2=e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux</div><div class='commit-msg'>Pull i2c fixes from Wolfram Sang:
 "Two I2C driver bugfixes.

  The 'VLLS mode support' patch should have been entitled 'reconfigure
  pinctrl after suspend' to make the bugfix more clear. Sorry, I missed
  that, yet didn't want to rebase"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: imx-lpi2c: add VLLS mode support
  i2c: i2c-cadence: Initialize configuration before probing devices
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'>Diffstat</a> (limited to 'drivers/usb/usbip/stub_main.c')</div><table summary='diffstat' class='diffstat'>