1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
10 #include <linux/list.h>
11 #include <linux/spinlock.h>
12 #include <linux/writeback.h>
17 * gfs2_log_lock - acquire the right to mess with the log manager
18 * @sdp: the filesystem
22 static inline void gfs2_log_lock(struct gfs2_sbd *sdp)
23 __acquires(&sdp->sd_log_lock)
25 spin_lock(&sdp->sd_log_lock);
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)
35 __releases(&sdp->sd_log_lock)
37 spin_unlock(&sdp->sd_log_lock);
40 static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp,
43 if (++value == sdp->sd_jdesc->jd_blocks) {
46 sdp->sd_log_head = sdp->sd_log_tail = value;
49 static inline void gfs2_ordered_add_inode(struct gfs2_inode *ip)
51 struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
53 if (gfs2_is_jdata(ip) || !gfs2_is_ordered(sdp))
56 if (!test_bit(GIF_ORDERED, &ip->i_flags)) {
57 spin_lock(&sdp->sd_ordered_lock);
58 if (!test_and_set_bit(GIF_ORDERED, &ip->i_flags))
59 list_add(&ip->i_ordered, &sdp->sd_log_ordered);
60 spin_unlock(&sdp->sd_ordered_lock);
64 extern void gfs2_ordered_del_inode(struct gfs2_inode *ip);
65 extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct);
67 extern void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
68 extern int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
69 extern void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
70 u64 seq, u32 tail, u32 lblock, u32 flags,
72 extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
74 extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
75 extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc);
77 extern int gfs2_logd(void *data);
78 extern void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
79 extern void gfs2_glock_remove_revoke(struct gfs2_glock *gl);
80 extern void gfs2_write_revokes(struct gfs2_sbd *sdp);
82 #endif /* __LOG_DOT_H__ */