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trans_logger: fix emergency mode

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Thomas Schoebel-Theuer 2014-03-10 16:22:44 +01:00 committed by Thomas Schoebel-Theuer
parent e0a123e827
commit 7fa4bf1ecd
2 changed files with 10 additions and 2 deletions
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11
kernel/mars_trans_logger.c
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@ -797,6 +797,7 @@ int trans_logger_ref_get(struct trans_logger_output *output, struct mref_object
}
if (unlikely(brick->stopped_logging)) { // only in EMERGENCY mode
mref_a->is_emergency = true;
/* Wait until writeback has finished.
* We have to this because writeback is out-of-order.
* Otherwise consistency could be violated for some time.
@ -900,7 +901,7 @@ restart:
}
// only READ is allowed on non-shadow buffers
if (unlikely(mref->ref_rw != READ)) {
if (unlikely(mref->ref_rw != READ && !mref_a->is_emergency)) {
MARS_FAT("bad operation %d on non-shadow\n", mref->ref_rw);
}
@ -1004,7 +1005,7 @@ void trans_logger_ref_io(struct trans_logger_output *output, struct mref_object
}
// only READ is allowed on non-shadow buffers
if (unlikely(mref->ref_rw != READ)) {
if (unlikely(mref->ref_rw != READ && !mref_a->is_emergency)) {
MARS_FAT("bad operation %d on non-shadow\n", mref->ref_rw);
}
@ -3046,6 +3047,9 @@ char *trans_logger_statistics(struct trans_logger_brick *brick, int verbose)
"continuous=%d "
"replay_code=%d "
"log_reads=%d | "
"cease_logging=%d "
"stopped_logging=%d "
"congested=%d | "
"replay_start_pos = %lld "
"replay_end_pos = %lld | "
"new_input_nr = %d "
@ -3100,6 +3104,9 @@ char *trans_logger_statistics(struct trans_logger_brick *brick, int verbose)
brick->continuous_replay_mode,
brick->replay_code,
brick->log_reads,
brick->cease_logging,
brick->stopped_logging,
_congested(brick),
brick->replay_start_pos,
brick->replay_end_pos,
brick->new_input_nr,

1
kernel/mars_trans_logger.h
View File

@ -124,6 +124,7 @@ struct trans_logger_mref_aspect {
bool is_fired;
bool is_completed;
bool is_persistent;
bool is_emergency;
struct timespec stamp;
loff_t log_pos;
struct generic_callback cb;