Revision ce4796d1e16cf3761dc2a02b8d588667d05b3078 authored by Linus Torvalds on 07 March 2008, 03:32:33 UTC, committed by Linus Torvalds on 07 March 2008, 03:32:33 UTC
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25:
  sh: Fix up the sh64 build.
  sh: Fix up SH7710 VoIP-GW build.
  sh: Flag PMB support as EXPERIMENTAL.
  sh: Update r7780mp defconfig.
  fb: hitfb: Balance probe/remove section annotations.
  sh: hp6xx: Fix up hp6xx_apm build failure.
  fb: pvr2fb: Fix up remaining section mismatch.
  sh: Fix up section mismatches.
  sh: hp6xx: Correct APM output.
  sh: update se7780 defconfig
  sh: replace remaining __FUNCTION__ occurrences
  sh: export copy-page() to modules
  sh_ksyms_32.c update for gcc 4.3
  sh/mm/pg-sh7705.c must #include <linux/fs.h>
2 parent s 46fbdf8 + 7b9726a
Raw File
log.h
/*
 * 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 __LOG_DOT_H__
#define __LOG_DOT_H__

#include <linux/list.h>
#include <linux/spinlock.h>
#include "incore.h"

/**
 * gfs2_log_lock - acquire the right to mess with the log manager
 * @sdp: the filesystem
 *
 */

static inline void gfs2_log_lock(struct gfs2_sbd *sdp)
{
	spin_lock(&sdp->sd_log_lock);
}

/**
 * gfs2_log_unlock - release the right to mess with the log manager
 * @sdp: the filesystem
 *
 */

static inline void gfs2_log_unlock(struct gfs2_sbd *sdp)
{
	spin_unlock(&sdp->sd_log_lock);
}

static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp,
					  unsigned int value)
{
	if (++value == sdp->sd_jdesc->jd_blocks) {
		value = 0;
	}
	sdp->sd_log_head = sdp->sd_log_tail = value;
}

unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
			    unsigned int ssize);

int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
void gfs2_log_incr_head(struct gfs2_sbd *sdp);

struct buffer_head *gfs2_log_get_buf(struct gfs2_sbd *sdp);
struct buffer_head *gfs2_log_fake_buf(struct gfs2_sbd *sdp,
				      struct buffer_head *real);
void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl);

static inline void gfs2_log_flush(struct gfs2_sbd *sbd, struct gfs2_glock *gl)
{
	if (!gl || test_bit(GLF_LFLUSH, &gl->gl_flags))
		__gfs2_log_flush(sbd, gl);
}

void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
void gfs2_remove_from_ail(struct gfs2_bufdata *bd);

void gfs2_log_shutdown(struct gfs2_sbd *sdp);
void gfs2_meta_syncfs(struct gfs2_sbd *sdp);
int gfs2_logd(void *data);

#endif /* __LOG_DOT_H__ */
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