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-rw-r--r--deadshred.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/deadshred.c b/deadshred.c
index 24d02fa..8b8a74c 100644
--- a/deadshred.c
+++ b/deadshred.c
@@ -24,6 +24,7 @@ static const char *clkcstr = "CLOCK_MONOTONIC_COARSE";
static struct timespec max_success = {-1, 0};
static struct timespec start_time;
+#define MAP_SAVE_INTERVAL 3600
static const struct timespec status_print_interval = {0, MILLISECONDS(500)};
static const struct timespec poll_timeout = {1, 0};
static int auxthread_pipe[2];
@@ -110,7 +111,7 @@ auxthread_loop(void *input)
{
struct pollfd pfd = {.fd = auxthread_pipe[0], .events = POLLIN};
ssize_t r;
- int terminate = 0;
+ int terminate = 0, save_map = 0;
int map_fd = ((struct auxthread_input *)input)->map_fd;
const char *map_fname = ((struct auxthread_input *)input)->map_fname;
struct status s = ((struct auxthread_input *)input)->initial_status;
@@ -171,7 +172,7 @@ auxthread_loop(void *input)
goto read_spans_again;
}
- update_map(map_fd, &s, map_fname);
+ save_map = 1;
goto have_time;
}
if (clock_gettime(clck, &s.now))
@@ -183,6 +184,10 @@ auxthread_loop(void *input)
}
print_status(0, &s);
wravg_update_time(&s);
+ if (save_map) {
+ save_map = 0;
+ update_map(map_fd, &s, map_fname);
+ }
} while (!terminate);
free(s.spans);
@@ -199,6 +204,8 @@ shredspan(int fd, struct span *span, const char *fname, int have_map)
int bad = span->bad > 0;
int first_fail = 1;
int was_successful = 0;
+ int need_save = 0;
+ int need_save_in = -1;
const char *random_data;
off = (status.direction == FORWARDS ? span->start : span->end);
@@ -217,6 +224,9 @@ shredspan(int fd, struct span *span, const char *fname, int have_map)
if (clock_gettime(clck, &status.now))
eprintf("clock_gettime %s:", clkcstr);
if (was_successful) {
+ need_save |= !need_save_in;
+ if (need_save_in < 0)
+ need_save_in = MAP_SAVE_INTERVAL;
was_successful = 0;
status.last_success = status.now;
}
@@ -225,11 +235,16 @@ shredspan(int fd, struct span *span, const char *fname, int have_map)
size_t spans_transfer_size;
size_t spans_offset = 0;
size_t status_off = 0;
+ if (need_save_in > 0)
+ need_save_in--;
libsimple_sumtimespec(&when, &status.now, &status_print_interval);
- if (have_map && 0) /* TODO periodically 1 instead 0 */
+ if (have_map && need_save) {
+ need_save = 0;
+ need_save_in = -1;
status.nspans -= status.span_off;
- else
+ } else {
status.nspans = 0;
+ }
spans_transfer_size = status.nspans * sizeof(*status.spans);
spans_transfer_size += spans_offset = status.span_off * sizeof(*status.spans);
write_status_again: