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infra: earlier stop searching in unordered list part

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Thomas Schoebel-Theuer 2020-08-19 14:20:56 +02:00 committed by Thomas Schoebel-Theuer
parent b63c7f13cf
commit d60326ca42
2 changed files with 10 additions and 1 deletions
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1
kernel/sy_old/strategy.h
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@ -105,6 +105,7 @@ typedef void (*dent_skip_fn)(struct mars_dent *);
bool d_running; \
bool d_killme; \
bool d_use_channel; \
bool d_unordered; \
struct kstat new_stat; \
struct kstat old_stat; \
char *new_link; \

10
kernel/sy_old/sy_generic.c
View File

@ -1552,8 +1552,12 @@ void _mars_order(struct mars_cookie *cookie, struct mars_dent *dent)
tmp = anchor->next;
while (tmp != anchor) {
struct mars_dent *test = container_of(tmp, struct mars_dent, dent_link);
int cmp = dent_compare(test, dent);
int cmp;
if (test->d_unordered)
break;
cmp = dent_compare(test, dent);
if (!cmp) {
mars_free_dent(global, dent);
dent = test;
@ -1582,6 +1586,8 @@ void _mars_order(struct mars_cookie *cookie, struct mars_dent *dent)
test = container_of(hash_try,
struct mars_dent,
dent_hash_link);
if (test->d_unordered)
break;
if (unlikely(test->d_hash != hash_try_index)) {
MARS_ERR("bad target hash index %d\n", test->d_hash);
break;
@ -1602,6 +1608,7 @@ void _mars_order(struct mars_cookie *cookie, struct mars_dent *dent)
/* not found: finish dent and insert into data stuctures */
dent->d_unordered = false;
list_add(&dent->dent_link, start);
start = hash_anchor;
@ -1659,6 +1666,7 @@ void _mars_order_all(struct mars_cookie *cookie)
strncmp(dent->d_name, "alive-", 6) &&
true) {
get_inode(dent->d_path, dent, true);
dent->d_unordered = true;
/* time-* must be the very last items */
if (strncmp(dent->d_name, "time-", 5))
list_add(&dent->dent_link, &later_anchor);