m68knommu: remove local gettimeofday code
[wrt350n-kernel.git] / fs / gfs2 / log.h
blob7711528165088002a3601de4c57ef101eae755ba
1 /*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License version 2.
8 */
10 #ifndef __LOG_DOT_H__
11 #define __LOG_DOT_H__
13 #include <linux/list.h>
14 #include <linux/spinlock.h>
15 #include "incore.h"
17 /**
18 * gfs2_log_lock - acquire the right to mess with the log manager
19 * @sdp: the filesystem
23 static inline void gfs2_log_lock(struct gfs2_sbd *sdp)
25 spin_lock(&sdp->sd_log_lock);
28 /**
29 * gfs2_log_unlock - release the right to mess with the log manager
30 * @sdp: the filesystem
34 static inline void gfs2_log_unlock(struct gfs2_sbd *sdp)
36 spin_unlock(&sdp->sd_log_lock);
39 static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp,
40 unsigned int value)
42 if (++value == sdp->sd_jdesc->jd_blocks) {
43 value = 0;
45 sdp->sd_log_head = sdp->sd_log_tail = value;
48 unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
49 unsigned int ssize);
51 int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
52 void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
53 void gfs2_log_incr_head(struct gfs2_sbd *sdp);
55 struct buffer_head *gfs2_log_get_buf(struct gfs2_sbd *sdp);
56 struct buffer_head *gfs2_log_fake_buf(struct gfs2_sbd *sdp,
57 struct buffer_head *real);
58 void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl);
60 static inline void gfs2_log_flush(struct gfs2_sbd *sbd, struct gfs2_glock *gl)
62 if (!gl || test_bit(GLF_LFLUSH, &gl->gl_flags))
63 __gfs2_log_flush(sbd, gl);
66 void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
67 void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
69 void gfs2_log_shutdown(struct gfs2_sbd *sdp);
70 void gfs2_meta_syncfs(struct gfs2_sbd *sdp);
71 int gfs2_logd(void *data);
73 #endif /* __LOG_DOT_H__ */