/*
 * Copyright (C) 2008 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 v2 as published by the Free Software Foundation.
 *
 * 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 __TREE_LOG_
#define __TREE_LOG_

#include "ctree.h"
#include "transaction.h"

/* return value for btrfs_log_dentry_safe that means we don't need to log it at all */
#define BTRFS_NO_LOG_SYNC 256

struct btrfs_log_ctx {
	int log_ret;
	int log_transid;
	int io_err;
	bool log_new_dentries;
	struct inode *inode;
	struct list_head list;
};

static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx,
				      struct inode *inode)
{
	ctx->log_ret = 0;
	ctx->log_transid = 0;
	ctx->io_err = 0;
	ctx->log_new_dentries = false;
	ctx->inode = inode;
	INIT_LIST_HEAD(&ctx->list);
}

static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info,
					     struct btrfs_trans_handle *trans)
{
	ACCESS_ONCE(fs_info->last_trans_log_full_commit) = trans->transid;
}

static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info,
					     struct btrfs_trans_handle *trans)
{
	return ACCESS_ONCE(fs_info->last_trans_log_full_commit) ==
		trans->transid;
}

int btrfs_sync_log(struct btrfs_trans_handle *trans,
		   struct btrfs_root *root, struct btrfs_log_ctx *ctx);
int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root);
int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans,
			     struct btrfs_fs_info *fs_info);
int btrfs_recover_log_trees(struct btrfs_root *tree_root);
int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
			  struct btrfs_root *root, struct dentry *dentry,
			  const loff_t start,
			  const loff_t end,
			  struct btrfs_log_ctx *ctx);
int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
				 struct btrfs_root *root,
				 const char *name, int name_len,
				 struct inode *dir, u64 index);
int btrfs_del_inode_ref_in_log(struct btrfs_trans_handle *trans,
			       struct btrfs_root *root,
			       const char *name, int name_len,
			       struct inode *inode, u64 dirid);
void btrfs_end_log_trans(struct btrfs_root *root);
int btrfs_pin_log_trans(struct btrfs_root *root);
void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans,
			     struct inode *dir, struct inode *inode,
			     int for_rename);
void btrfs_record_snapshot_destroy(struct btrfs_trans_handle *trans,
				   struct inode *dir);
int btrfs_log_new_name(struct btrfs_trans_handle *trans,
			struct inode *inode, struct inode *old_dir,
			struct dentry *parent);
#endif
ux/net-next.git/diff/sound?id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec&amp;id2=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/usb?id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec&amp;id2=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/usb/caiaq?id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec&amp;id2=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>caiaq</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/usb/caiaq/audio.h?id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec&amp;id2=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>audio.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'/><input type='hidden' name='id2' value='0c744ea4f77d72b3dcebb7a8f2684633ec79be88'/><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><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec&amp;id2=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>Diffstat</a> (limited to 'sound/usb/caiaq/audio.h')</div><table summary='diffstat' class='diffstat'>