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path: root/fs/xfs/xfs_log.c
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Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c162
1 files changed, 86 insertions, 76 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index ae6fef1ff563..b612ce4520ae 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -374,11 +374,10 @@ xfs_log_mount(
int error;
if (!(mp->m_flags & XFS_MOUNT_NORECOVERY))
- cmn_err(CE_NOTE, "XFS mounting filesystem %s", mp->m_fsname);
+ xfs_notice(mp, "Mounting Filesystem");
else {
- cmn_err(CE_NOTE,
- "Mounting filesystem \"%s\" in no-recovery mode. Filesystem will be inconsistent.",
- mp->m_fsname);
+ xfs_notice(mp,
+"Mounting filesystem in no-recovery mode. Filesystem will be inconsistent.");
ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);
}
@@ -393,7 +392,7 @@ xfs_log_mount(
*/
error = xfs_trans_ail_init(mp);
if (error) {
- cmn_err(CE_WARN, "XFS: AIL initialisation failed: error %d", error);
+ xfs_warn(mp, "AIL initialisation failed: error %d", error);
goto out_free_log;
}
mp->m_log->l_ailp = mp->m_ail;
@@ -413,7 +412,8 @@ xfs_log_mount(
if (readonly)
mp->m_flags |= XFS_MOUNT_RDONLY;
if (error) {
- cmn_err(CE_WARN, "XFS: log mount/recovery failed: error %d", error);
+ xfs_warn(mp, "log mount/recovery failed: error %d",
+ error);
goto out_destroy_ail;
}
}
@@ -542,10 +542,8 @@ xfs_log_unmount_write(xfs_mount_t *mp)
*/
}
- if (error) {
- xfs_fs_cmn_err(CE_ALERT, mp,
- "xfs_log_unmount: unmount record failed");
- }
+ if (error)
+ xfs_alert(mp, "%s: unmount record failed", __func__);
spin_lock(&log->l_icloglock);
@@ -763,7 +761,7 @@ xfs_log_need_covered(xfs_mount_t *mp)
break;
case XLOG_STATE_COVER_NEED:
case XLOG_STATE_COVER_NEED2:
- if (!xfs_trans_ail_tail(log->l_ailp) &&
+ if (!xfs_ail_min_lsn(log->l_ailp) &&
xlog_iclogs_empty(log)) {
if (log->l_covered_state == XLOG_STATE_COVER_NEED)
log->l_covered_state = XLOG_STATE_COVER_DONE;
@@ -803,7 +801,7 @@ xlog_assign_tail_lsn(
xfs_lsn_t tail_lsn;
struct log *log = mp->m_log;
- tail_lsn = xfs_trans_ail_tail(mp->m_ail);
+ tail_lsn = xfs_ail_min_lsn(mp->m_ail);
if (!tail_lsn)
tail_lsn = atomic64_read(&log->l_last_sync_lsn);
@@ -852,7 +850,7 @@ xlog_space_left(
* In this case we just want to return the size of the
* log as the amount of space left.
*/
- xfs_fs_cmn_err(CE_ALERT, log->l_mp,
+ xfs_alert(log->l_mp,
"xlog_space_left: head behind tail\n"
" tail_cycle = %d, tail_bytes = %d\n"
" GH cycle = %d, GH bytes = %d",
@@ -1001,7 +999,7 @@ xlog_alloc_log(xfs_mount_t *mp,
log = kmem_zalloc(sizeof(xlog_t), KM_MAYFAIL);
if (!log) {
- xlog_warn("XFS: Log allocation failed: No memory!");
+ xfs_warn(mp, "Log allocation failed: No memory!");
goto out;
}
@@ -1029,24 +1027,24 @@ xlog_alloc_log(xfs_mount_t *mp,
if (xfs_sb_version_hassector(&mp->m_sb)) {
log2_size = mp->m_sb.sb_logsectlog;
if (log2_size < BBSHIFT) {
- xlog_warn("XFS: Log sector size too small "
- "(0x%x < 0x%x)", log2_size, BBSHIFT);
+ xfs_warn(mp, "Log sector size too small (0x%x < 0x%x)",
+ log2_size, BBSHIFT);
goto out_free_log;
}
log2_size -= BBSHIFT;
if (log2_size > mp->m_sectbb_log) {
- xlog_warn("XFS: Log sector size too large "
- "(0x%x > 0x%x)", log2_size, mp->m_sectbb_log);
+ xfs_warn(mp, "Log sector size too large (0x%x > 0x%x)",
+ log2_size, mp->m_sectbb_log);
goto out_free_log;
}
/* for larger sector sizes, must have v2 or external log */
if (log2_size && log->l_logBBstart > 0 &&
!xfs_sb_version_haslogv2(&mp->m_sb)) {
-
- xlog_warn("XFS: log sector size (0x%x) invalid "
- "for configuration.", log2_size);
+ xfs_warn(mp,
+ "log sector size (0x%x) invalid for configuration.",
+ log2_size);
goto out_free_log;
}
}
@@ -1241,7 +1239,7 @@ xlog_grant_push_ail(
* the filesystem is shutting down.
*/
if (!XLOG_FORCED_SHUTDOWN(log))
- xfs_trans_ail_push(log->l_ailp, threshold_lsn);
+ xfs_ail_push(log->l_ailp, threshold_lsn);
}
/*
@@ -1563,38 +1561,36 @@ xlog_print_tic_res(
"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);
+ xfs_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,
+ uint r_type = ticket->t_res_arr[i].r_type;
+ xfs_warn(mp, "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);
}
- xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, mp,
+ xfs_alert_tag(mp, XFS_PTAG_LOGRES,
"xfs_log_write: reservation ran out. Need to up reservation");
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
}
@@ -1682,7 +1678,7 @@ xlog_write_setup_ophdr(
case XFS_LOG:
break;
default:
- xfs_fs_cmn_err(CE_WARN, log->l_mp,
+ xfs_warn(log->l_mp,
"Bad XFS transaction clientid 0x%x in ticket 0x%p",
ophdr->oh_clientid, ticket);
return NULL;
@@ -2264,7 +2260,7 @@ xlog_state_do_callback(
if (repeats > 5000) {
flushcnt += repeats;
repeats = 0;
- xfs_fs_cmn_err(CE_WARN, log->l_mp,
+ xfs_warn(log->l_mp,
"%s: possible infinite loop (%d iterations)",
__func__, flushcnt);
}
@@ -3052,10 +3048,8 @@ xfs_log_force(
int error;
error = _xfs_log_force(mp, flags, NULL);
- if (error) {
- xfs_fs_cmn_err(CE_WARN, mp, "xfs_log_force: "
- "error %d returned.", error);
- }
+ if (error)
+ xfs_warn(mp, "%s: error %d returned.", __func__, error);
}
/*
@@ -3204,10 +3198,8 @@ xfs_log_force_lsn(
int error;
error = _xfs_log_force_lsn(mp, lsn, flags, NULL);
- if (error) {
- xfs_fs_cmn_err(CE_WARN, mp, "xfs_log_force: "
- "error %d returned.", error);
- }
+ if (error)
+ xfs_warn(mp, "%s: error %d returned.", __func__, error);
}
/*
@@ -3412,9 +3404,20 @@ xlog_verify_dest_ptr(
}
if (!good_ptr)
- xlog_panic("xlog_verify_dest_ptr: invalid ptr");
+ xfs_emerg(log->l_mp, "%s: invalid ptr", __func__);
}
+/*
+ * Check to make sure the grant write head didn't just over lap the tail. If
+ * the cycles are the same, we can't be overlapping. Otherwise, make sure that
+ * the cycles differ by exactly one and check the byte count.
+ *
+ * This check is run unlocked, so can give false positives. Rather than assert
+ * on failures, use a warn-once flag and a panic tag to allow the admin to
+ * determine if they want to panic the machine when such an error occurs. For
+ * debug kernels this will have the same effect as using an assert but, unlinke
+ * an assert, it can be turned off at runtime.
+ */
STATIC void
xlog_verify_grant_tail(
struct log *log)
@@ -3422,17 +3425,22 @@ xlog_verify_grant_tail(
int tail_cycle, tail_blocks;
int cycle, space;
- /*
- * Check to make sure the grant write head didn't just over lap the
- * tail. If the cycles are the same, we can't be overlapping.
- * Otherwise, make sure that the cycles differ by exactly one and
- * check the byte count.
- */
xlog_crack_grant_head(&log->l_grant_write_head, &cycle, &space);
xlog_crack_atomic_lsn(&log->l_tail_lsn, &tail_cycle, &tail_blocks);
if (tail_cycle != cycle) {
- ASSERT(cycle - 1 == tail_cycle);
- ASSERT(space <= BBTOB(tail_blocks));
+ if (cycle - 1 != tail_cycle &&
+ !(log->l_flags & XLOG_TAIL_WARN)) {
+ xfs_alert_tag(log->l_mp, XFS_PTAG_LOGRES,
+ "%s: cycle - 1 != tail_cycle", __func__);
+ log->l_flags |= XLOG_TAIL_WARN;
+ }
+
+ if (space > BBTOB(tail_blocks) &&
+ !(log->l_flags & XLOG_TAIL_WARN)) {
+ xfs_alert_tag(log->l_mp, XFS_PTAG_LOGRES,
+ "%s: space > BBTOB(tail_blocks)", __func__);
+ log->l_flags |= XLOG_TAIL_WARN;
+ }
}
}
@@ -3448,16 +3456,16 @@ xlog_verify_tail_lsn(xlog_t *log,
blocks =
log->l_logBBsize - (log->l_prev_block - BLOCK_LSN(tail_lsn));
if (blocks < BTOBB(iclog->ic_offset)+BTOBB(log->l_iclog_hsize))
- xlog_panic("xlog_verify_tail_lsn: ran out of log space");
+ xfs_emerg(log->l_mp, "%s: ran out of log space", __func__);
} else {
ASSERT(CYCLE_LSN(tail_lsn)+1 == log->l_prev_cycle);
if (BLOCK_LSN(tail_lsn) == log->l_prev_block)
- xlog_panic("xlog_verify_tail_lsn: tail wrapped");
+ xfs_emerg(log->l_mp, "%s: tail wrapped", __func__);
blocks = BLOCK_LSN(tail_lsn) - log->l_prev_block;
if (blocks < BTOBB(iclog->ic_offset) + 1)
- xlog_panic("xlog_verify_tail_lsn: ran out of log space");
+ xfs_emerg(log->l_mp, "%s: ran out of log space", __func__);
}
} /* xlog_verify_tail_lsn */
@@ -3497,22 +3505,23 @@ xlog_verify_iclog(xlog_t *log,
icptr = log->l_iclog;
for (i=0; i < log->l_iclog_bufs; i++) {
if (icptr == NULL)
- xlog_panic("xlog_verify_iclog: invalid ptr");
+ xfs_emerg(log->l_mp, "%s: invalid ptr", __func__);
icptr = icptr->ic_next;
}
if (icptr != log->l_iclog)
- xlog_panic("xlog_verify_iclog: corrupt iclog ring");
+ xfs_emerg(log->l_mp, "%s: corrupt iclog ring", __func__);
spin_unlock(&log->l_icloglock);
/* check log magic numbers */
if (be32_to_cpu(iclog->ic_header.h_magicno) != XLOG_HEADER_MAGIC_NUM)
- xlog_panic("xlog_verify_iclog: invalid magic num");
+ xfs_emerg(log->l_mp, "%s: invalid magic num", __func__);
ptr = (xfs_caddr_t) &iclog->ic_header;
for (ptr += BBSIZE; ptr < ((xfs_caddr_t)&iclog->ic_header) + count;
ptr += BBSIZE) {
if (be32_to_cpu(*(__be32 *)ptr) == XLOG_HEADER_MAGIC_NUM)
- xlog_panic("xlog_verify_iclog: unexpected magic num");
+ xfs_emerg(log->l_mp, "%s: unexpected magic num",
+ __func__);
}
/* check fields */
@@ -3542,9 +3551,10 @@ xlog_verify_iclog(xlog_t *log,
}
}
if (clientid != XFS_TRANSACTION && clientid != XFS_LOG)
- cmn_err(CE_WARN, "xlog_verify_iclog: "
- "invalid clientid %d op 0x%p offset 0x%lx",
- clientid, ophead, (unsigned long)field_offset);
+ xfs_warn(log->l_mp,
+ "%s: invalid clientid %d op 0x%p offset 0x%lx",
+ __func__, clientid, ophead,
+ (unsigned long)field_offset);
/* check length */
field_offset = (__psint_t)