]>
Commit | Line | Data |
---|---|---|
7336d0e6 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
b3b94faa DT |
2 | /* |
3 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
3a8a9a10 | 4 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
5 | */ |
6 | ||
7 | #ifndef __LOG_DOT_H__ | |
8 | #define __LOG_DOT_H__ | |
9 | ||
f2f7ba52 SW |
10 | #include <linux/list.h> |
11 | #include <linux/spinlock.h> | |
4667a0ec | 12 | #include <linux/writeback.h> |
f2f7ba52 | 13 | #include "incore.h" |
845802b1 | 14 | #include "inode.h" |
f2f7ba52 | 15 | |
b3b94faa DT |
16 | /** |
17 | * gfs2_log_lock - acquire the right to mess with the log manager | |
18 | * @sdp: the filesystem | |
19 | * | |
20 | */ | |
21 | ||
22 | static inline void gfs2_log_lock(struct gfs2_sbd *sdp) | |
2d81afb8 | 23 | __acquires(&sdp->sd_log_lock) |
b3b94faa DT |
24 | { |
25 | spin_lock(&sdp->sd_log_lock); | |
26 | } | |
27 | ||
28 | /** | |
29 | * gfs2_log_unlock - release the right to mess with the log manager | |
30 | * @sdp: the filesystem | |
31 | * | |
32 | */ | |
33 | ||
34 | static inline void gfs2_log_unlock(struct gfs2_sbd *sdp) | |
2d81afb8 | 35 | __releases(&sdp->sd_log_lock) |
b3b94faa DT |
36 | { |
37 | spin_unlock(&sdp->sd_log_lock); | |
38 | } | |
39 | ||
40 | static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp, | |
41 | unsigned int value) | |
42 | { | |
43 | if (++value == sdp->sd_jdesc->jd_blocks) { | |
44 | value = 0; | |
b3b94faa DT |
45 | } |
46 | sdp->sd_log_head = sdp->sd_log_tail = value; | |
47 | } | |
48 | ||
45138990 SW |
49 | static inline void gfs2_ordered_add_inode(struct gfs2_inode *ip) |
50 | { | |
977767a7 | 51 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); |
45138990 | 52 | |
977767a7 | 53 | if (gfs2_is_jdata(ip) || !gfs2_is_ordered(sdp)) |
845802b1 AG |
54 | return; |
55 | ||
7542486b | 56 | if (list_empty(&ip->i_ordered)) { |
45138990 | 57 | spin_lock(&sdp->sd_ordered_lock); |
7542486b | 58 | if (list_empty(&ip->i_ordered)) |
a5b1d3fc | 59 | list_add(&ip->i_ordered, &sdp->sd_log_ordered); |
45138990 SW |
60 | spin_unlock(&sdp->sd_ordered_lock); |
61 | } | |
62 | } | |
2e9eeaa1 | 63 | |
45138990 | 64 | extern void gfs2_ordered_del_inode(struct gfs2_inode *ip); |
2e9eeaa1 | 65 | extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct); |
68942870 | 66 | extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd); |
24972557 | 67 | extern void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks); |
ed4878e8 | 68 | extern int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks); |
c1696fb8 | 69 | extern void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, |
7c70b896 BP |
70 | u64 seq, u32 tail, u32 lblock, u32 flags, |
71 | int op_flags); | |
24972557 | 72 | extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, |
c1696fb8 | 73 | u32 type); |
ed4878e8 | 74 | extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans); |
4667a0ec | 75 | extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc); |
9ff78289 | 76 | extern void log_flush_wait(struct gfs2_sbd *sdp); |
2bcd610d | 77 | |
ed4878e8 | 78 | extern int gfs2_logd(void *data); |
5d054964 | 79 | extern void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); |
fe5e7ba1 | 80 | extern void gfs2_glock_remove_revoke(struct gfs2_glock *gl); |
5d054964 | 81 | extern void gfs2_write_revokes(struct gfs2_sbd *sdp); |
b3b94faa DT |
82 | |
83 | #endif /* __LOG_DOT_H__ */ |