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Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c161
1 files changed, 151 insertions, 10 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 42975cb9e538..54a6f1142403 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -159,11 +159,15 @@ xfs_buftarg_t *xlog_target;
void
xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string)
{
- if (! log->l_grant_trace) {
- log->l_grant_trace = ktrace_alloc(1024, KM_NOSLEEP);
- if (! log->l_grant_trace)
+ unsigned long cnts;
+
+ if (!log->l_grant_trace) {
+ log->l_grant_trace = ktrace_alloc(2048, KM_NOSLEEP);
+ if (!log->l_grant_trace)
return;
}
+ /* ticket counts are 1 byte each */
+ cnts = ((unsigned long)tic->t_ocnt) | ((unsigned long)tic->t_cnt) << 8;
ktrace_enter(log->l_grant_trace,
(void *)tic,
@@ -178,10 +182,10 @@ xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string)
(void *)((unsigned long)CYCLE_LSN(log->l_tail_lsn)),
(void *)((unsigned long)BLOCK_LSN(log->l_tail_lsn)),
(void *)string,
- (void *)((unsigned long)13),
- (void *)((unsigned long)14),
- (void *)((unsigned long)15),
- (void *)((unsigned long)16));
+ (void *)((unsigned long)tic->t_trans_type),
+ (void *)cnts,
+ (void *)((unsigned long)tic->t_curr_res),
+ (void *)((unsigned long)tic->t_unit_res));
}
void
@@ -274,9 +278,11 @@ xfs_log_done(xfs_mount_t *mp,
* Release ticket if not permanent reservation or a specifc
* request has been made to release a permanent reservation.
*/
+ xlog_trace_loggrant(log, ticket, "xfs_log_done: (non-permanent)");
xlog_ungrant_log_space(log, ticket);
xlog_state_put_ticket(log, ticket);
} else {
+ xlog_trace_loggrant(log, ticket, "xfs_log_done: (permanent)");
xlog_regrant_reserve_log_space(log, ticket);
}
@@ -399,7 +405,8 @@ xfs_log_reserve(xfs_mount_t *mp,
int cnt,
xfs_log_ticket_t *ticket,
__uint8_t client,
- uint flags)
+ uint flags,
+ uint t_type)
{
xlog_t *log = mp->m_log;
xlog_ticket_t *internal_ticket;
@@ -421,13 +428,19 @@ xfs_log_reserve(xfs_mount_t *mp,
if (*ticket != NULL) {
ASSERT(flags & XFS_LOG_PERM_RESERV);
internal_ticket = (xlog_ticket_t *)*ticket;
+ xlog_trace_loggrant(log, internal_ticket, "xfs_log_reserve: existing ticket (permanent trans)");
xlog_grant_push_ail(mp, internal_ticket->t_unit_res);
retval = xlog_regrant_write_log_space(log, internal_ticket);
} else {
/* may sleep if need to allocate more tickets */
internal_ticket = xlog_ticket_get(log, unit_bytes, cnt,
client, flags);
+ internal_ticket->t_trans_type = t_type;
*ticket = internal_ticket;
+ xlog_trace_loggrant(log, internal_ticket,
+ (internal_ticket->t_flags & XLOG_TIC_PERM_RESERV) ?
+ "xfs_log_reserve: create new ticket (permanent trans)" :
+ "xfs_log_reserve: create new ticket");
xlog_grant_push_ail(mp,
(internal_ticket->t_unit_res *
internal_ticket->t_cnt));
@@ -601,8 +614,9 @@ xfs_log_unmount_write(xfs_mount_t *mp)
if (! (XLOG_FORCED_SHUTDOWN(log))) {
reg[0].i_addr = (void*)&magic;
reg[0].i_len = sizeof(magic);
+ XLOG_VEC_SET_TYPE(&reg[0], XLOG_REG_TYPE_UNMOUNT);
- error = xfs_log_reserve(mp, 600, 1, &tic, XFS_LOG, 0);
+ error = xfs_log_reserve(mp, 600, 1, &tic, XFS_LOG, 0, 0);
if (!error) {
/* remove inited flag */
((xlog_ticket_t *)tic)->t_flags = 0;
@@ -1272,6 +1286,7 @@ xlog_commit_record(xfs_mount_t *mp,
reg[0].i_addr = NULL;
reg[0].i_len = 0;
+ XLOG_VEC_SET_TYPE(&reg[0], XLOG_REG_TYPE_COMMIT);
ASSERT_ALWAYS(iclog);
if ((error = xlog_write(mp, reg, 1, ticket, commitlsnp,
@@ -1605,6 +1620,117 @@ xlog_state_finish_copy(xlog_t *log,
/*
+ * print out info relating to regions written which consume
+ * the reservation
+ */
+#if defined(XFS_LOG_RES_DEBUG)
+STATIC void
+xlog_print_tic_res(xfs_mount_t *mp, xlog_ticket_t *ticket)
+{
+ uint i;
+ uint ophdr_spc = ticket->t_res_num_ophdrs * (uint)sizeof(xlog_op_header_t);
+
+ /* match with XLOG_REG_TYPE_* in xfs_log.h */
+ static char *res_type_str[XLOG_REG_TYPE_MAX] = {
+ "bformat",
+ "bchunk",
+ "efi_format",
+ "efd_format",
+ "iformat",
+ "icore",
+ "iext",
+ "ibroot",
+ "ilocal",
+ "iattr_ext",
+ "iattr_broot",
+ "iattr_local",
+ "qformat",
+ "dquot",
+ "quotaoff",
+ "LR header",
+ "unmount",
+ "commit",
+ "trans header"
+ };
+ static char *trans_type_str[XFS_TRANS_TYPE_MAX] = {
+ "SETATTR_NOT_SIZE",
+ "SETATTR_SIZE",
+ "INACTIVE",
+ "CREATE",
+ "CREATE_TRUNC",
+ "TRUNCATE_FILE",
+ "REMOVE",
+ "LINK",
+ "RENAME",
+ "MKDIR",
+ "RMDIR",
+ "SYMLINK",
+ "SET_DMATTRS",
+ "GROWFS",
+ "STRAT_WRITE",
+ "DIOSTRAT",
+ "WRITE_SYNC",
+ "WRITEID",
+ "ADDAFORK",
+ "ATTRINVAL",
+ "ATRUNCATE",
+ "ATTR_SET",
+ "ATTR_RM",
+ "ATTR_FLAG",
+ "CLEAR_AGI_BUCKET",
+ "QM_SBCHANGE",
+ "DUMMY1",
+ "DUMMY2",
+ "QM_QUOTAOFF",
+ "QM_DQALLOC",
+ "QM_SETQLIM",
+ "QM_DQCLUSTER",
+ "QM_QINOCREATE",
+ "QM_QUOTAOFF_END",
+ "SB_UNIT",
+ "FSYNC_TS",
+ "GROWFSRT_ALLOC",
+ "GROWFSRT_ZERO",
+ "GROWFSRT_FREE",
+ "SWAPEXT"
+ };
+
+ xfs_fs_cmn_err(CE_WARN, mp,
+ "xfs_log_write: reservation summary:\n"
+ " trans type = %s (%u)\n"
+ " unit res = %d bytes\n"
+ " current res = %d bytes\n"
+ " total reg = %u bytes (o/flow = %u bytes)\n"
+ " ophdrs = %u (ophdr space = %u bytes)\n"
+ " ophdr + reg = %u bytes\n"
+ " num regions = %u\n",
+ ((ticket->t_trans_type <= 0 ||
+ ticket->t_trans_type > XFS_TRANS_TYPE_MAX) ?
+ "bad-trans-type" : trans_type_str[ticket->t_trans_type-1]),
+ ticket->t_trans_type,
+ ticket->t_unit_res,
+ ticket->t_curr_res,
+ ticket->t_res_arr_sum, ticket->t_res_o_flow,
+ ticket->t_res_num_ophdrs, ophdr_spc,
+ ticket->t_res_arr_sum +
+ ticket->t_res_o_flow + ophdr_spc,
+ ticket->t_res_num);
+
+ for (i = 0; i < ticket->t_res_num; i++) {
+ uint r_type = ticket->t_res_arr[i].r_type;
+ cmn_err(CE_WARN,
+ "region[%u]: %s - %u bytes\n",
+ i,
+ ((r_type <= 0 || r_type > XLOG_REG_TYPE_MAX) ?
+ "bad-rtype" : res_type_str[r_type-1]),
+ ticket->t_res_arr[i].r_len);
+ }
+}
+#else
+#define xlog_print_tic_res(mp, ticket)
+#endif
+
+/*
* Write some region out to in-core log
*
* This will be called when writing externally provided regions or when
@@ -1677,16 +1803,21 @@ xlog_write(xfs_mount_t * mp,
* xlog_op_header_t and may need to be double word aligned.
*/
len = 0;
- if (ticket->t_flags & XLOG_TIC_INITED) /* acct for start rec of xact */
+ if (ticket->t_flags & XLOG_TIC_INITED) { /* acct for start rec of xact */
len += sizeof(xlog_op_header_t);
+ XLOG_TIC_ADD_OPHDR(ticket);
+ }
for (index = 0; index < nentries; index++) {
len += sizeof(xlog_op_header_t); /* each region gets >= 1 */
+ XLOG_TIC_ADD_OPHDR(ticket);
len += reg[index].i_len;
+ XLOG_TIC_ADD_REGION(ticket, reg[index].i_len, reg[index].i_type);
}
contwr = *start_lsn = 0;
if (ticket->t_curr_res < len) {
+ xlog_print_tic_res(mp, ticket);
#ifdef DEBUG
xlog_panic(
"xfs_log_write: reservation ran out. Need to up reservation");
@@ -1790,6 +1921,7 @@ xlog_write(xfs_mount_t * mp,
len += sizeof(xlog_op_header_t); /* from splitting of region */
/* account for new log op header */
ticket->t_curr_res -= sizeof(xlog_op_header_t);
+ XLOG_TIC_ADD_OPHDR(ticket);
}
xlog_verify_dest_ptr(log, ptr);
@@ -2282,6 +2414,9 @@ restart:
*/
if (log_offset == 0) {
ticket->t_curr_res -= log->l_iclog_hsize;
+ XLOG_TIC_ADD_REGION(ticket,
+ log->l_iclog_hsize,
+ XLOG_REG_TYPE_LRHEADER);
INT_SET(head->h_cycle, ARCH_CONVERT, log->l_curr_cycle);
ASSIGN_LSN(head->h_lsn, log);
ASSERT(log->l_curr_block >= 0);
@@ -2468,6 +2603,7 @@ xlog_regrant_write_log_space(xlog_t *log,
#endif
tic->t_curr_res = tic->t_unit_res;
+ XLOG_TIC_RESET_RES(tic);
if (tic->t_cnt > 0)
return (0);
@@ -2608,6 +2744,7 @@ xlog_regrant_reserve_log_space(xlog_t *log,
XLOG_GRANT_SUB_SPACE(log, ticket->t_curr_res, 'w');
XLOG_GRANT_SUB_SPACE(log, ticket->t_curr_res, 'r');
ticket->t_curr_res = ticket->t_unit_res;
+ XLOG_TIC_RESET_RES(ticket);
xlog_trace_loggrant(log, ticket,
"xlog_regrant_reserve_log_space: sub current res");
xlog_verify_grant_head(log, 1);
@@ -2624,6 +2761,7 @@ xlog_regrant_reserve_log_space(xlog_t *log,
xlog_verify_grant_head(log, 0);
GRANT_UNLOCK(log, s);
ticket->t_curr_res = ticket->t_unit_res;
+ XLOG_TIC_RESET_RES(ticket);
} /* xlog_regrant_reserve_log_space */
@@ -3237,10 +3375,13 @@ xlog_ticket_get(xlog_t *log,
tic->t_tid = (xlog_tid_t)((__psint_t)tic & 0xffffffff);
tic->t_clientid = client;
tic->t_flags = XLOG_TIC_INITED;
+ tic->t_trans_type = 0;
if (xflags & XFS_LOG_PERM_RESERV)
tic->t_flags |= XLOG_TIC_PERM_RESERV;
sv_init(&(tic->t_sema), SV_DEFAULT, "logtick");
+ XLOG_TIC_RESET_RES(tic);
+
return tic;
} /* xlog_ticket_get */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 19:30:12 +0000