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src/log-writes: Add new discard check point

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Despite the existing <number>|fua|flush checkpoint, add a new
discard check point to make sure discard is not screwing up things.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Qu Wenruo
2019-10-22 15:58:05 +08:00
committed by Eryu Guan
parent 03d3f75cb4
commit 9b56b948e9
1 changed files with 8 additions and 2 deletions
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src/log-writes/replay-log.c
+8 -2
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@@ -64,8 +64,8 @@ static void usage(void)
fprintf(stderr, "\t--no-discard - don't process discard entries\n");
fprintf(stderr, "\t--fsck - the fsck command to run, must specify "
"--check\n");
fprintf(stderr, "\t--check [<number>|flush|fua] when to check the "
"file system, mush specify --fsck\n");
fprintf(stderr, "\t--check [<number>|flush|fua|discard] when to check "
"the file system, mush specify --fsck\n");
fprintf(stderr, "\t--start-sector <sector> - replay ops on region "
"from <sector> onto <device>\n");
fprintf(stderr, "\t--end-sector <sector> - replay ops on region "
@@ -115,6 +115,7 @@ enum log_replay_check_mode {
CHECK_NUMBER = 1,
CHECK_FUA = 2,
CHECK_FLUSH = 3,
CHECK_DISCARD = 4,
};
static int seek_to_mark(struct log *log, struct log_write_entry *entry,
@@ -253,6 +254,8 @@ int main(int argc, char **argv)
check_mode = CHECK_FLUSH;
} else if (!strcmp(optarg, "fua")) {
check_mode = CHECK_FUA;
} else if (!strcmp(optarg, "discard")) {
check_mode = CHECK_DISCARD;
} else {
check_mode = CHECK_NUMBER;
check_number = strtoull(optarg, &tmp, 0);
@@ -369,6 +372,9 @@ int main(int argc, char **argv)
else if ((check_mode == CHECK_FLUSH) &&
should_stop(entry, LOG_FLUSH_FLAG, NULL))
ret = run_fsck(log, fsck_command);
else if ((check_mode == CHECK_DISCARD) &&
should_stop(entry, LOG_DISCARD_FLAG, NULL))
ret = run_fsck(log, fsck_command);
else
ret = 0;
if (ret) {