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Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c60
1 files changed, 40 insertions, 20 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index ccba14eb9dbe..7812bd036e2b 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -124,16 +124,27 @@ STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog,
124STATIC int xlog_iclogs_empty(xlog_t *log); 124STATIC int xlog_iclogs_empty(xlog_t *log);
125 125
126#if defined(XFS_LOG_TRACE) 126#if defined(XFS_LOG_TRACE)
127
128#define XLOG_TRACE_LOGGRANT_SIZE 2048
129#define XLOG_TRACE_ICLOG_SIZE 256
130
131void
132xlog_trace_loggrant_alloc(xlog_t *log)
133{
134 log->l_grant_trace = ktrace_alloc(XLOG_TRACE_LOGGRANT_SIZE, KM_NOFS);
135}
136
137void
138xlog_trace_loggrant_dealloc(xlog_t *log)
139{
140 ktrace_free(log->l_grant_trace);
141}
142
127void 143void
128xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string) 144xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string)
129{ 145{
130 unsigned long cnts; 146 unsigned long cnts;
131 147
132 if (!log->l_grant_trace) {
133 log->l_grant_trace = ktrace_alloc(2048, KM_NOSLEEP);
134 if (!log->l_grant_trace)
135 return;
136 }
137 /* ticket counts are 1 byte each */ 148 /* ticket counts are 1 byte each */
138 cnts = ((unsigned long)tic->t_ocnt) | ((unsigned long)tic->t_cnt) << 8; 149 cnts = ((unsigned long)tic->t_ocnt) | ((unsigned long)tic->t_cnt) << 8;
139 150
@@ -157,10 +168,20 @@ xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string)
157} 168}
158 169
159void 170void
171xlog_trace_iclog_alloc(xlog_in_core_t *iclog)
172{
173 iclog->ic_trace = ktrace_alloc(XLOG_TRACE_ICLOG_SIZE, KM_NOFS);
174}
175
176void
177xlog_trace_iclog_dealloc(xlog_in_core_t *iclog)
178{
179 ktrace_free(iclog->ic_trace);
180}
181
182void
160xlog_trace_iclog(xlog_in_core_t *iclog, uint state) 183xlog_trace_iclog(xlog_in_core_t *iclog, uint state)
161{ 184{
162 if (!iclog->ic_trace)
163 iclog->ic_trace = ktrace_alloc(256, KM_NOFS);
164 ktrace_enter(iclog->ic_trace, 185 ktrace_enter(iclog->ic_trace,
165 (void *)((unsigned long)state), 186 (void *)((unsigned long)state),
166 (void *)((unsigned long)current_pid()), 187 (void *)((unsigned long)current_pid()),
@@ -170,8 +191,15 @@ xlog_trace_iclog(xlog_in_core_t *iclog, uint state)
170 (void *)NULL, (void *)NULL); 191 (void *)NULL, (void *)NULL);
171} 192}
172#else 193#else
194
195#define xlog_trace_loggrant_alloc(log)
196#define xlog_trace_loggrant_dealloc(log)
173#define xlog_trace_loggrant(log,tic,string) 197#define xlog_trace_loggrant(log,tic,string)
198
199#define xlog_trace_iclog_alloc(iclog)
200#define xlog_trace_iclog_dealloc(iclog)
174#define xlog_trace_iclog(iclog,state) 201#define xlog_trace_iclog(iclog,state)
202
175#endif /* XFS_LOG_TRACE */ 203#endif /* XFS_LOG_TRACE */
176 204
177 205
@@ -1231,6 +1259,7 @@ xlog_alloc_log(xfs_mount_t *mp,
1231 spin_lock_init(&log->l_grant_lock); 1259 spin_lock_init(&log->l_grant_lock);
1232 sv_init(&log->l_flush_wait, 0, "flush_wait"); 1260 sv_init(&log->l_flush_wait, 0, "flush_wait");
1233 1261
1262 xlog_trace_loggrant_alloc(log);
1234 /* log record size must be multiple of BBSIZE; see xlog_rec_header_t */ 1263 /* log record size must be multiple of BBSIZE; see xlog_rec_header_t */
1235 ASSERT((XFS_BUF_SIZE(bp) & BBMASK) == 0); 1264 ASSERT((XFS_BUF_SIZE(bp) & BBMASK) == 0);
1236 1265
@@ -1285,6 +1314,8 @@ xlog_alloc_log(xfs_mount_t *mp,
1285 sv_init(&iclog->ic_force_wait, SV_DEFAULT, "iclog-force"); 1314 sv_init(&iclog->ic_force_wait, SV_DEFAULT, "iclog-force");
1286 sv_init(&iclog->ic_write_wait, SV_DEFAULT, "iclog-write"); 1315 sv_init(&iclog->ic_write_wait, SV_DEFAULT, "iclog-write");
1287 1316
1317 xlog_trace_iclog_alloc(iclog);
1318
1288 iclogp = &iclog->ic_next; 1319 iclogp = &iclog->ic_next;
1289 } 1320 }
1290 *iclogp = log->l_iclog; /* complete ring */ 1321 *iclogp = log->l_iclog; /* complete ring */
@@ -1565,11 +1596,7 @@ xlog_dealloc_log(xlog_t *log)
1565 sv_destroy(&iclog->ic_force_wait); 1596 sv_destroy(&iclog->ic_force_wait);
1566 sv_destroy(&iclog->ic_write_wait); 1597 sv_destroy(&iclog->ic_write_wait);
1567 xfs_buf_free(iclog->ic_bp); 1598 xfs_buf_free(iclog->ic_bp);
1568#ifdef XFS_LOG_TRACE 1599 xlog_trace_iclog_dealloc(iclog);
1569 if (iclog->ic_trace != NULL) {
1570 ktrace_free(iclog->ic_trace);
1571 }
1572#endif
1573 next_iclog = iclog->ic_next; 1600 next_iclog = iclog->ic_next;
1574 kmem_free(iclog); 1601 kmem_free(iclog);
1575 iclog = next_iclog; 1602 iclog = next_iclog;
@@ -1578,14 +1605,7 @@ xlog_dealloc_log(xlog_t *log)
1578 spinlock_destroy(&log->l_grant_lock); 1605 spinlock_destroy(&log->l_grant_lock);
1579 1606
1580 xfs_buf_free(log->l_xbuf); 1607 xfs_buf_free(log->l_xbuf);
1581#ifdef XFS_LOG_TRACE 1608 xlog_trace_loggrant_dealloc(log);
1582 if (log->l_trace != NULL) {
1583 ktrace_free(log->l_trace);
1584 }
1585 if (log->l_grant_trace != NULL) {
1586 ktrace_free(log->l_grant_trace);
1587 }
1588#endif
1589 log->l_mp->m_log = NULL; 1609 log->l_mp->m_log = NULL;
1590 kmem_free(log); 1610 kmem_free(log);
1591} /* xlog_dealloc_log */ 1611} /* xlog_dealloc_log */