kopia lustrzana https://github.com/espressif/esp-idf
fatfsgen.py: Speedup FAT cluster allocation in fatfsgen.py
Closes IDF-5243pull/9491/head
rodzic
9b87390daf
commit
d56e692f2f
|
@ -22,6 +22,7 @@ class FAT:
|
|||
self.clusters[Cluster.ROOT_BLOCK_ID].allocate_cluster()
|
||||
|
||||
def __init__(self, boot_sector_state: BootSectorState, init_: bool) -> None:
|
||||
self._first_free_cluster_id = 0
|
||||
self.boot_sector_state = boot_sector_state
|
||||
self.clusters: List[Cluster] = [Cluster(cluster_id=i,
|
||||
boot_sector_state=self.boot_sector_state,
|
||||
|
@ -57,9 +58,11 @@ class FAT:
|
|||
|
||||
def find_free_cluster(self) -> Cluster:
|
||||
# finds first empty cluster and allocates it
|
||||
for cluster in self.clusters:
|
||||
for cluster_id, cluster in enumerate(self.clusters[self._first_free_cluster_id:],
|
||||
start=self._first_free_cluster_id):
|
||||
if cluster.is_empty:
|
||||
cluster.allocate_cluster()
|
||||
self._first_free_cluster_id = cluster_id
|
||||
return cluster
|
||||
raise NoFreeClusterException('No free cluster available!')
|
||||
|
||||
|
|
Ładowanie…
Reference in New Issue