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.
13 #include <linux/list.h>
14 #include <linux/spinlock.h>
15 #include <linux/writeback.h>
19 * gfs2_log_lock - acquire the right to mess with the log manager
20 * @sdp: the filesystem
24 static inline void gfs2_log_lock(struct gfs2_sbd *sdp)
25 __acquires(&sdp->sd_log_lock)
27 spin_lock(&sdp->sd_log_lock);
31 * gfs2_log_unlock - release the right to mess with the log manager
32 * @sdp: the filesystem
36 static inline void gfs2_log_unlock(struct gfs2_sbd *sdp)
37 __releases(&sdp->sd_log_lock)
39 spin_unlock(&sdp->sd_log_lock);
42 static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp,
45 if (++value == sdp->sd_jdesc->jd_blocks) {
48 sdp->sd_log_head = sdp->sd_log_tail = value;
51 static inline void gfs2_ordered_add_inode(struct gfs2_inode *ip)
53 struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
55 if (!test_bit(GIF_ORDERED, &ip->i_flags)) {
56 spin_lock(&sdp->sd_ordered_lock);
57 if (!test_and_set_bit(GIF_ORDERED, &ip->i_flags))
58 list_add(&ip->i_ordered, &sdp->sd_log_le_ordered);
59 spin_unlock(&sdp->sd_ordered_lock);
62 extern void gfs2_ordered_del_inode(struct gfs2_inode *ip);
63 extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
66 extern int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
67 extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl);
68 extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
69 extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
70 extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc);
72 extern void gfs2_log_shutdown(struct gfs2_sbd *sdp);
73 extern void gfs2_meta_syncfs(struct gfs2_sbd *sdp);
74 extern int gfs2_logd(void *data);
76 #endif /* __LOG_DOT_H__ */