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Revision 4309e092421e08f411830b2675bc1538a9b90e9b authored by Linus Torvalds on 19 August 2008, 16:59:02 UTC, committed by Linus Torvalds on 19 August 2008, 16:59:02 UTC 
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (94 commits)
  pkt_sched: Prevent livelock in TX queue running.
  Revert "pkt_sched: Add BH protection for qdisc_stab_lock."
  Revert "pkt_sched: Protect gen estimators under est_lock."
  pkt_sched: remove bogus block (cleanup)
  nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomization
  netfilter: ctnetlink: sleepable allocation with spin lock bh
  netfilter: ctnetlink: fix sleep in read-side lock section
  netfilter: ctnetlink: fix double helper assignation for NAT'ed conntracks
  netfilter: ipt_addrtype: Fix matching of inverted destination address type
  dccp: Fix panic caused by too early termination of retransmission mechanism
  pkt_sched: Don't hold qdisc lock over qdisc_destroy().
  pkt_sched: Add lockdep annotation for qdisc locks
  pkt_sched: Never schedule non-root qdiscs.
  removed unused #include <version.h>
  rt2x00: Fix txdone_entry_desc_flags
  b43: Fix for another Bluetooth Coexistence SPROM Programming error for BCM4306
  mac80211: remove kdoc references to IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE
  p54u: reset skb's data/tail pointer on requeue
  p54: move p54_vdcf_init to the right place.
  iwlwifi: fix printk newlines
  ...
2 parent s 1fca254 + 195648b
Raw File
lops.h 
/*
 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
 * Copyright (C) 2004-2008 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 __LOPS_DOT_H__
#define __LOPS_DOT_H__

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

#define BUF_OFFSET \
	((sizeof(struct gfs2_log_descriptor) + sizeof(__be64) - 1) & \
	 ~(sizeof(__be64) - 1))
#define DATABUF_OFFSET \
	((sizeof(struct gfs2_log_descriptor) + (2 * sizeof(__be64) - 1)) & \
	 ~(2 * sizeof(__be64) - 1))

extern const struct gfs2_log_operations gfs2_glock_lops;
extern const struct gfs2_log_operations gfs2_buf_lops;
extern const struct gfs2_log_operations gfs2_revoke_lops;
extern const struct gfs2_log_operations gfs2_rg_lops;
extern const struct gfs2_log_operations gfs2_databuf_lops;

extern const struct gfs2_log_operations *gfs2_log_ops[];

static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
{
	unsigned int limit;

	limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64);
	return limit;
}

static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
{
	unsigned int limit;

	limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64));
	return limit;
}

static inline void lops_init_le(struct gfs2_log_element *le,
				const struct gfs2_log_operations *lops)
{
	INIT_LIST_HEAD(&le->le_list);
	le->le_ops = lops;
}

static inline void lops_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le)
{
	if (le->le_ops->lo_add)
		le->le_ops->lo_add(sdp, le);
}

static inline void lops_before_commit(struct gfs2_sbd *sdp)
{
	int x;
	for (x = 0; gfs2_log_ops[x]; x++)
		if (gfs2_log_ops[x]->lo_before_commit)
			gfs2_log_ops[x]->lo_before_commit(sdp);
}

static inline void lops_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai)
{
	int x;
	for (x = 0; gfs2_log_ops[x]; x++)
		if (gfs2_log_ops[x]->lo_after_commit)
			gfs2_log_ops[x]->lo_after_commit(sdp, ai);
}

static inline void lops_before_scan(struct gfs2_jdesc *jd,
				    struct gfs2_log_header_host *head,
				    unsigned int pass)
{
	int x;
	for (x = 0; gfs2_log_ops[x]; x++)
		if (gfs2_log_ops[x]->lo_before_scan)
			gfs2_log_ops[x]->lo_before_scan(jd, head, pass);
}

static inline int lops_scan_elements(struct gfs2_jdesc *jd, unsigned int start,
				     struct gfs2_log_descriptor *ld,
				     __be64 *ptr,
				     unsigned int pass)
{
	int x, error;
	for (x = 0; gfs2_log_ops[x]; x++)
		if (gfs2_log_ops[x]->lo_scan_elements) {
			error = gfs2_log_ops[x]->lo_scan_elements(jd, start,
								  ld, ptr, pass);
			if (error)
				return error;
		}

	return 0;
}

static inline void lops_after_scan(struct gfs2_jdesc *jd, int error,
				   unsigned int pass)
{
	int x;
	for (x = 0; gfs2_log_ops[x]; x++)
		if (gfs2_log_ops[x]->lo_before_scan)
			gfs2_log_ops[x]->lo_after_scan(jd, error, pass);
}

#endif /* __LOPS_DOT_H__ */
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