/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * uptodate.h
 *
 * Cluster uptodate tracking
 *
 * Copyright (C) 2002, 2004, 2005 Oracle.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#ifndef OCFS2_UPTODATE_H
#define OCFS2_UPTODATE_H

/*
 * The caching code relies on locking provided by the user of
 * struct ocfs2_caching_info.  These operations connect that up.
 */
struct ocfs2_caching_operations {
	/*
	 * A u64 representing the owning structure.  Usually this
	 * is the block number (i_blkno or whatnot).  This is used so
	 * that caching log messages can identify the owning structure.
	 */
	u64	(*co_owner)(struct ocfs2_caching_info *ci);

	/* The superblock is needed during I/O. */
	struct super_block *(*co_get_super)(struct ocfs2_caching_info *ci);
	/*
	 * Lock and unlock the caching data.  These will not sleep, and
	 * should probably be spinlocks.
	 */
	void	(*co_cache_lock)(struct ocfs2_caching_info *ci);
	void	(*co_cache_unlock)(struct ocfs2_caching_info *ci);

	/*
	 * Lock and unlock for disk I/O.  These will sleep, and should
	 * be mutexes.
	 */
	void	(*co_io_lock)(struct ocfs2_caching_info *ci);
	void	(*co_io_unlock)(struct ocfs2_caching_info *ci);
};

int __init init_ocfs2_uptodate_cache(void);
void exit_ocfs2_uptodate_cache(void);

void ocfs2_metadata_cache_init(struct ocfs2_caching_info *ci,
			       const struct ocfs2_caching_operations *ops);
void ocfs2_metadata_cache_purge(struct ocfs2_caching_info *ci);
void ocfs2_metadata_cache_exit(struct ocfs2_caching_info *ci);

u64 ocfs2_metadata_cache_owner(struct ocfs2_caching_info *ci);
void ocfs2_metadata_cache_io_lock(struct ocfs2_caching_info *ci);
void ocfs2_metadata_cache_io_unlock(struct ocfs2_caching_info *ci);

int ocfs2_buffer_uptodate(struct ocfs2_caching_info *ci,
			  struct buffer_head *bh);
void ocfs2_set_buffer_uptodate(struct ocfs2_caching_info *ci,
			       struct buffer_head *bh);
void ocfs2_set_new_buffer_uptodate(struct ocfs2_caching_info *ci,
				   struct buffer_head *bh);
void ocfs2_remove_from_cache(struct ocfs2_caching_info *ci,
			     struct buffer_head *bh);
void ocfs2_remove_xattr_clusters_from_cache(struct ocfs2_caching_info *ci,
					    sector_t block,
					    u32 c_len);
int ocfs2_buffer_read_ahead(struct ocfs2_caching_info *ci,
			    struct buffer_head *bh);

#endif /* OCFS2_UPTODATE_H */
drivers/usb/gadget?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>gadget</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>udc</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2e4333c14de06a333783d6812cf3c4998f78b0c8'/><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'>2016-12-11 10:17:39 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-11 10:17:39 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>2e4333c14de06a333783d6812cf3c4998f78b0c8</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/gadget/udc?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>368428514d70f34f2261c7f954f241f886d6bb51</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/udc?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>drivers/usb/gadget/udc</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?id=045169816b31b10faed984b01c390db1b32ee4c1'>045169816b31b10faed984b01c390db1b32ee4c1</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc?id=2e4333c14de06a333783d6812cf3c4998f78b0c8&amp;id2=045169816b31b10faed984b01c390db1b32ee4c1'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?id=ba735155b9647b6167fd50276ca0fbfbce4e836c'>ba735155b9647b6167fd50276ca0fbfbce4e836c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc?id=2e4333c14de06a333783d6812cf3c4998f78b0c8&amp;id2=ba735155b9647b6167fd50276ca0fbfbce4e836c'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus</div><div class='commit-msg'>Pull MIPS fixes from Ralf Baechle:
 "Two more MIPS fixes for 4.9:

   - RTC: Return -ENODEV so an external RTC will be tried

   - Fix mask of GPE frequency

  These two have been tested on Imagination's automated test system and
  also both received positive reviews on the linux-mips mailing list"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: Lantiq: Fix mask of GPE frequency
  MIPS: Return -ENODEV from weak implementation of rtc_mips_set_time
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>Diffstat</a> (limited to 'drivers/usb/gadget/udc')</div><table summary='diffstat' class='diffstat'>