/*
 * 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/log/?id=937b682cc0bcebe19df7911f3697be7fd8c5dee6'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?id=937b682cc0bcebe19df7911f3697be7fd8c5dee6'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings?id=937b682cc0bcebe19df7911f3697be7fd8c5dee6'>dt-bindings</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/pinctrl?id=937b682cc0bcebe19df7911f3697be7fd8c5dee6'>pinctrl</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/pinctrl/stm32f746-pinfunc.h?id=937b682cc0bcebe19df7911f3697be7fd8c5dee6'>stm32f746-pinfunc.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/pinctrl/stm32f746-pinfunc.h?id=937b682cc0bcebe19df7911f3697be7fd8c5dee6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
><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>Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</td><td class='right'>2017-01-24 09:57:18 -0800</td></tr>
<tr><th>committer</th><td>Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</td><td class='right'>2017-01-24 09:57:18 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ceph/osd_client.c?h=nds-private-remove&amp;id=62ed8ceda1699acae01b666497f004bfd3d67a6f'>62ed8ceda1699acae01b666497f004bfd3d67a6f</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/ceph/osd_client.c?id=62ed8ceda1699acae01b666497f004bfd3d67a6f'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=62ed8ceda1699acae01b666497f004bfd3d67a6f'>fe38c83c49dfd568b540666948ef78cb9d082c38</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/ceph/osd_client.c?h=nds-private-remove&amp;id=62ed8ceda1699acae01b666497f004bfd3d67a6f'>net/ceph/osd_client.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ceph/osd_client.c?h=nds-private-remove&amp;id=1c3415a06b1016a596bfe59e0cfee56c773aa958'>1c3415a06b1016a596bfe59e0cfee56c773aa958</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ceph/osd_client.c?h=nds-private-remove&amp;id=62ed8ceda1699acae01b666497f004bfd3d67a6f&amp;id2=1c3415a06b1016a596bfe59e0cfee56c773aa958'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ceph/osd_client.c?h=nds-private-remove&amp;id=7a308bb3016f57e5be11a677d15b821536419d36'>7a308bb3016f57e5be11a677d15b821536419d36</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ceph/osd_client.c?h=nds-private-remove&amp;id=62ed8ceda1699acae01b666497f004bfd3d67a6f&amp;id2=7a308bb3016f57e5be11a677d15b821536419d36'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'v4.10-rc5' into for-linus</div><div class='commit-msg'>Sync up with mainline to apply fixup to a commit that came through
power supply tree.
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=62ed8ceda1699acae01b666497f004bfd3d67a6f'>Diffstat</a> (limited to 'net/ceph/osd_client.c')</div><table summary='diffstat' class='diffstat'>