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main: reduce mars_find_dent searching further

This commit is contained in:
Thomas Schoebel-Theuer 2020-08-27 13:37:44 +02:00
parent 963d656f26
commit ab60fbdf4e
2 changed files with 15 additions and 6 deletions
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15
kernel/sy_old/mars_main.c
View File

@ -4756,19 +4756,22 @@ int make_log_finalize(struct mars_global *global, struct mars_dent *dent)
*/
if (!rot->created_hole) {
int new_sequence = rot->max_sequence + 10;
char *new_vers = path_make("%s/version-%09d-%s", rot->parent_path, new_sequence, my_id());
char *new_vval = path_make("00000000000000000000000000000000,log-%09d-%s,0:", new_sequence, my_id());
char *new_path = path_make("%s/log-%09d-%s", rot->parent_path, new_sequence + 1, my_id());
if (likely(new_vers && new_vval && new_path &&
!mars_find_dent(global, new_path))) {
unsigned char *new_val = ordered_readlink(new_path, NULL);
bool is_deleted = is_deleted_link(new_val);
if (is_deleted) {
char *new_vers = path_make("%s/version-%09d-%s", rot->parent_path, new_sequence, my_id());
char *new_vval = path_make("00000000000000000000000000000000,log-%09d-%s,0:", new_sequence, my_id());
MARS_INF_TO(rot->log_say, "EMERGENCY: creating new logfile '%s'\n", new_path);
ordered_symlink(new_vval, new_vers, NULL);
_create_new_logfile(new_path);
rot->created_hole = true;
brick_string_free(new_vers);
brick_string_free(new_vval);
}
brick_string_free(new_vers);
brick_string_free(new_vval);
brick_string_free(new_path);
brick_string_free(new_val);
}
} else {
rot->created_hole = false;

6
kernel/sy_old/strategy.h
View File

@ -242,6 +242,12 @@ extern struct mars_brick *make_brick_all(
#define MARS_ERR_ONCE(dent, args...) if (!dent->d_once_error++) MARS_ERR(args)
static inline
bool is_deleted_link(const char *str)
{
return (!str || !str[0]);
}
bool push_link(const char *peer_name,
const char *src,
const char *dst);