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__ */
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