diff options
Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r-- | fs/xfs/xfs_log.c | 60 |
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, | |||
124 | STATIC int xlog_iclogs_empty(xlog_t *log); | 124 | STATIC 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 | |||
131 | void | ||
132 | xlog_trace_loggrant_alloc(xlog_t *log) | ||
133 | { | ||
134 | log->l_grant_trace = ktrace_alloc(XLOG_TRACE_LOGGRANT_SIZE, KM_NOFS); | ||
135 | } | ||
136 | |||
137 | void | ||
138 | xlog_trace_loggrant_dealloc(xlog_t *log) | ||
139 | { | ||
140 | ktrace_free(log->l_grant_trace); | ||
141 | } | ||
142 | |||
127 | void | 143 | void |
128 | xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string) | 144 | xlog_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 | ||
159 | void | 170 | void |
171 | xlog_trace_iclog_alloc(xlog_in_core_t *iclog) | ||
172 | { | ||
173 | iclog->ic_trace = ktrace_alloc(XLOG_TRACE_ICLOG_SIZE, KM_NOFS); | ||
174 | } | ||
175 | |||
176 | void | ||
177 | xlog_trace_iclog_dealloc(xlog_in_core_t *iclog) | ||
178 | { | ||
179 | ktrace_free(iclog->ic_trace); | ||
180 | } | ||
181 | |||
182 | void | ||
160 | xlog_trace_iclog(xlog_in_core_t *iclog, uint state) | 183 | xlog_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 */ |