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-rw-r--r--fs/xfs/xfs_log_priv.h179
1 files changed, 83 insertions, 96 deletions
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index a884cea82fca..8f285149681f 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -1,33 +1,19 @@
1/* 1/*
2 * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. 2 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
3 * 4 *
4 * This program is free software; you can redistribute it and/or modify it 5 * This program is free software; you can redistribute it and/or
5 * under the terms of version 2 of the GNU General Public License as 6 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
7 * 8 *
8 * This program is distributed in the hope that it would be useful, but 9 * This program is distributed in the hope that it would be useful,
9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
11 * 13 *
12 * Further, this software is distributed without any warranty that it is 14 * You should have received a copy of the GNU General Public License
13 * free of the rightful claim of any third person regarding infringement 15 * along with this program; if not, write the Free Software Foundation,
14 * or the like. Any license provided herein, whether implied or 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
25 *
26 * http://www.sgi.com
27 *
28 * For further information regarding this notice, see:
29 *
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31 */ 17 */
32#ifndef __XFS_LOG_PRIV_H__ 18#ifndef __XFS_LOG_PRIV_H__
33#define __XFS_LOG_PRIV_H__ 19#define __XFS_LOG_PRIV_H__
@@ -35,6 +21,7 @@
35struct xfs_buf; 21struct xfs_buf;
36struct ktrace; 22struct ktrace;
37struct log; 23struct log;
24struct xlog_ticket;
38struct xfs_buf_cancel; 25struct xfs_buf_cancel;
39struct xfs_mount; 26struct xfs_mount;
40 27
@@ -120,77 +107,6 @@ struct xfs_mount;
120 ((i) >> 24) 107 ((i) >> 24)
121#endif 108#endif
122 109
123#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XLOG_GRANT_SUB_SPACE)
124void xlog_grant_sub_space(struct log *log, int bytes, int type);
125#define XLOG_GRANT_SUB_SPACE(log,bytes,type) \
126 xlog_grant_sub_space(log,bytes,type)
127#else
128#define XLOG_GRANT_SUB_SPACE(log,bytes,type) \
129 { \
130 if (type == 'w') { \
131 (log)->l_grant_write_bytes -= (bytes); \
132 if ((log)->l_grant_write_bytes < 0) { \
133 (log)->l_grant_write_bytes += (log)->l_logsize; \
134 (log)->l_grant_write_cycle--; \
135 } \
136 } else { \
137 (log)->l_grant_reserve_bytes -= (bytes); \
138 if ((log)->l_grant_reserve_bytes < 0) { \
139 (log)->l_grant_reserve_bytes += (log)->l_logsize;\
140 (log)->l_grant_reserve_cycle--; \
141 } \
142 } \
143 }
144#endif
145#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XLOG_GRANT_ADD_SPACE)
146void xlog_grant_add_space(struct log *log, int bytes, int type);
147#define XLOG_GRANT_ADD_SPACE(log,bytes,type) \
148 xlog_grant_add_space(log,bytes,type)
149#else
150#define XLOG_GRANT_ADD_SPACE(log,bytes,type) \
151 { \
152 if (type == 'w') { \
153 (log)->l_grant_write_bytes += (bytes); \
154 if ((log)->l_grant_write_bytes > (log)->l_logsize) { \
155 (log)->l_grant_write_bytes -= (log)->l_logsize; \
156 (log)->l_grant_write_cycle++; \
157 } \
158 } else { \
159 (log)->l_grant_reserve_bytes += (bytes); \
160 if ((log)->l_grant_reserve_bytes > (log)->l_logsize) { \
161 (log)->l_grant_reserve_bytes -= (log)->l_logsize;\
162 (log)->l_grant_reserve_cycle++; \
163 } \
164 } \
165 }
166#endif
167#define XLOG_INS_TICKETQ(q,tic) \
168 { \
169 if (q) { \
170 (tic)->t_next = (q); \
171 (tic)->t_prev = (q)->t_prev; \
172 (q)->t_prev->t_next = (tic); \
173 (q)->t_prev = (tic); \
174 } else { \
175 (tic)->t_prev = (tic)->t_next = (tic); \
176 (q) = (tic); \
177 } \
178 (tic)->t_flags |= XLOG_TIC_IN_Q; \
179 }
180#define XLOG_DEL_TICKETQ(q,tic) \
181 { \
182 if ((tic) == (tic)->t_next) { \
183 (q) = NULL; \
184 } else { \
185 (q) = (tic)->t_next; \
186 (tic)->t_next->t_prev = (tic)->t_prev; \
187 (tic)->t_prev->t_next = (tic)->t_next; \
188 } \
189 (tic)->t_next = (tic)->t_prev = NULL; \
190 (tic)->t_flags &= ~XLOG_TIC_IN_Q; \
191 }
192
193
194#define GRANT_LOCK(log) mutex_spinlock(&(log)->l_grant_lock) 110#define GRANT_LOCK(log) mutex_spinlock(&(log)->l_grant_lock)
195#define GRANT_UNLOCK(log, s) mutex_spinunlock(&(log)->l_grant_lock, s) 111#define GRANT_UNLOCK(log, s) mutex_spinunlock(&(log)->l_grant_lock, s)
196#define LOG_LOCK(log) mutex_spinlock(&(log)->l_icloglock) 112#define LOG_LOCK(log) mutex_spinlock(&(log)->l_icloglock)
@@ -576,6 +492,77 @@ typedef struct log {
576 * alignment mask */ 492 * alignment mask */
577} xlog_t; 493} xlog_t;
578 494
495#define XLOG_FORCED_SHUTDOWN(log) ((log)->l_flags & XLOG_IO_ERROR)
496
497#define XLOG_GRANT_SUB_SPACE(log,bytes,type) \
498 xlog_grant_sub_space(log,bytes,type)
499static inline void xlog_grant_sub_space(struct log *log, int bytes, int type)
500{
501 if (type == 'w') { \
502 (log)->l_grant_write_bytes -= (bytes); \
503 if ((log)->l_grant_write_bytes < 0) { \
504 (log)->l_grant_write_bytes += (log)->l_logsize; \
505 (log)->l_grant_write_cycle--; \
506 } \
507 } else { \
508 (log)->l_grant_reserve_bytes -= (bytes); \
509 if ((log)->l_grant_reserve_bytes < 0) { \
510 (log)->l_grant_reserve_bytes += (log)->l_logsize;\
511 (log)->l_grant_reserve_cycle--; \
512 } \
513 } \
514}
515
516#define XLOG_GRANT_ADD_SPACE(log,bytes,type) \
517 xlog_grant_add_space(log,bytes,type)
518static inline void
519xlog_grant_add_space(struct log *log, int bytes, int type)
520{
521 if (type == 'w') { \
522 (log)->l_grant_write_bytes += (bytes); \
523 if ((log)->l_grant_write_bytes > (log)->l_logsize) { \
524 (log)->l_grant_write_bytes -= (log)->l_logsize; \
525 (log)->l_grant_write_cycle++; \
526 } \
527 } else { \
528 (log)->l_grant_reserve_bytes += (bytes); \
529 if ((log)->l_grant_reserve_bytes > (log)->l_logsize) { \
530 (log)->l_grant_reserve_bytes -= (log)->l_logsize;\
531 (log)->l_grant_reserve_cycle++; \
532 } \
533 } \
534}
535
536#define XLOG_INS_TICKETQ(q, tic) xlog_ins_ticketq(q, tic)
537static inline void
538xlog_ins_ticketq(struct xlog_ticket *q, struct xlog_ticket *tic)
539{ \
540 if (q) { \
541 (tic)->t_next = (q); \
542 (tic)->t_prev = (q)->t_prev; \
543 (q)->t_prev->t_next = (tic); \
544 (q)->t_prev = (tic); \
545 } else { \
546 (tic)->t_prev = (tic)->t_next = (tic); \
547 (q) = (tic); \
548 } \
549 (tic)->t_flags |= XLOG_TIC_IN_Q; \
550}
551
552#define XLOG_DEL_TICKETQ(q, tic) xlog_del_ticketq(q, tic)
553static inline void
554xlog_del_ticketq(struct xlog_ticket *q, struct xlog_ticket *tic)
555{ \
556 if ((tic) == (tic)->t_next) { \
557 (q) = NULL; \
558 } else { \
559 (q) = (tic)->t_next; \
560 (tic)->t_next->t_prev = (tic)->t_prev; \
561 (tic)->t_prev->t_next = (tic)->t_next; \
562 } \
563 (tic)->t_next = (tic)->t_prev = NULL; \
564 (tic)->t_flags &= ~XLOG_TIC_IN_Q; \
565}
579 566
580/* common routines */ 567/* common routines */
581extern xfs_lsn_t xlog_assign_tail_lsn(struct xfs_mount *mp); 568extern xfs_lsn_t xlog_assign_tail_lsn(struct xfs_mount *mp);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 14:20:45 -0500