#include <assert.h>
#include "fio.h"
-#include "list.h"
-#include "crc/crc16.h"
+#include "flist.h"
+#include "hash.h"
#define HASH_BUCKETS 512
#define HASH_MASK (HASH_BUCKETS - 1)
-unsigned int file_hash_size = HASH_BUCKETS * sizeof(struct list_head);
+unsigned int file_hash_size = HASH_BUCKETS * sizeof(struct flist_head);
-static struct list_head *file_hash;
+static struct flist_head *file_hash;
static struct fio_mutex *hash_lock;
static unsigned short hash(const char *name)
{
- return crc16((const unsigned char *) name, strlen(name)) & HASH_MASK;
+ return jhash(name, strlen(name), 0) & HASH_MASK;
}
void remove_file_hash(struct fio_file *f)
{
fio_mutex_down(hash_lock);
- if (f->flags & FIO_FILE_HASHED) {
- assert(!list_empty(&f->hash_list));
- list_del_init(&f->hash_list);
- f->flags &= ~FIO_FILE_HASHED;
+ if (fio_file_hashed(f)) {
+ assert(!flist_empty(&f->hash_list));
+ flist_del_init(&f->hash_list);
+ fio_file_clear_hashed(f);
}
fio_mutex_up(hash_lock);
static struct fio_file *__lookup_file_hash(const char *name)
{
- struct list_head *bucket = &file_hash[hash(name)];
- struct list_head *n;
+ struct flist_head *bucket = &file_hash[hash(name)];
+ struct flist_head *n;
- list_for_each(n, bucket) {
- struct fio_file *f = list_entry(n, struct fio_file, hash_list);
+ flist_for_each(n, bucket) {
+ struct fio_file *f = flist_entry(n, struct fio_file, hash_list);
+
+ if (!f->file_name)
+ continue;
if (!strcmp(f->file_name, name)) {
assert(f->fd != -1);
{
struct fio_file *alias;
- if (f->flags & FIO_FILE_HASHED)
+ if (fio_file_hashed(f))
return NULL;
- INIT_LIST_HEAD(&f->hash_list);
+ INIT_FLIST_HEAD(&f->hash_list);
fio_mutex_down(hash_lock);
alias = __lookup_file_hash(f->file_name);
if (!alias) {
- f->flags |= FIO_FILE_HASHED;
- list_add_tail(&f->hash_list, &file_hash[hash(f->file_name)]);
+ fio_file_set_hashed(f);
+ flist_add_tail(&f->hash_list, &file_hash[hash(f->file_name)]);
}
fio_mutex_up(hash_lock);
fio_mutex_down(hash_lock);
for (i = 0; i < HASH_BUCKETS; i++)
- has_entries += !list_empty(&file_hash[i]);
+ has_entries += !flist_empty(&file_hash[i]);
fio_mutex_up(hash_lock);
if (has_entries)
file_hash = ptr;
for (i = 0; i < HASH_BUCKETS; i++)
- INIT_LIST_HEAD(&file_hash[i]);
+ INIT_FLIST_HEAD(&file_hash[i]);
- hash_lock = fio_mutex_init(1);
+ hash_lock = fio_mutex_init(FIO_MUTEX_UNLOCKED);
}