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infra: improved dent debugging

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This commit is contained in:
Thomas Schoebel-Theuer 2020-08-25 10:30:58 +02:00
parent 7935ac1037
commit b63c7f13cf
1 changed files with 32 additions and 15 deletions
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47
kernel/sy_old/sy_generic.c
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@ -3246,6 +3246,36 @@ void _show_one(struct mars_brick *test, int *brick_count)
}
}
static
void _show_dent_list(struct mars_global *global, int *count)
{
struct list_head *tmp;
down_read(&global->dent_mutex);
for (tmp = global->dent_anchor.next; tmp != &global->dent_anchor; tmp = tmp->next) {
struct mars_dent *dent;
struct list_head *sub;
dent = container_of(tmp, struct mars_dent, dent_link);
MARS_STAT("dent %d%d %d '%s' '%s' stamp=%ld.%09ld\n",
dent->d_no_scan,
dent->d_running,
dent->d_class,
SAFE_STR(dent->d_path),
SAFE_STR(dent->new_link),
dent->new_stat.mtime.tv_sec, dent->new_stat.mtime.tv_nsec);
(*count)++;
for (sub = dent->brick_list.next; sub != &dent->brick_list; sub = sub->next) {
struct mars_brick *test;
test = container_of(sub, struct mars_brick, dent_brick_link);
MARS_STAT(" owner of brick '%s'\n", SAFE_STR(test->brick_path));
}
if (dent->d_subtree)
_show_dent_list(dent->d_subtree, count);
}
up_read(&global->dent_mutex);
}
void show_statistics(struct mars_global *global, const char *class)
{
struct list_head *tmp;
@ -3274,27 +3304,14 @@ void show_statistics(struct mars_global *global, const char *class)
MARS_STAT("================================== %s bricks:\n", class);
for (tmp = global->brick_anchor.next; tmp != &global->brick_anchor; tmp = tmp->next) {
struct mars_brick *test;
test = container_of(tmp, struct mars_brick, global_brick_link);
_show_one(test, &brick_count);
}
up_read(&global->brick_mutex);
MARS_STAT("================================== %s dents:\n", class);
down_read(&global->dent_mutex);
for (tmp = global->dent_anchor.next; tmp != &global->dent_anchor; tmp = tmp->next) {
struct mars_dent *dent;
struct list_head *sub;
dent = container_of(tmp, struct mars_dent, dent_link);
MARS_STAT("dent %d '%s' '%s' stamp=%ld.%09ld\n", dent->d_class, SAFE_STR(dent->d_path), SAFE_STR(dent->new_link), dent->new_stat.mtime.tv_sec, dent->new_stat.mtime.tv_nsec);
dent_count++;
for (sub = dent->brick_list.next; sub != &dent->brick_list; sub = sub->next) {
struct mars_brick *test;
test = container_of(sub, struct mars_brick, dent_brick_link);
MARS_STAT(" owner of brick '%s'\n", SAFE_STR(test->brick_path));
}
}
up_read(&global->dent_mutex);
_show_dent_list(global, &dent_count);
MARS_STAT("==================== %s STATISTICS: %d dents, %d bricks, %lld KB free\n", class, dent_count, brick_count, global_remaining_space);
}
EXPORT_SYMBOL_GPL(show_statistics);