/* These two functions are called by the USB and shutdown handlers */
void tree_flush(void)
{
#ifdef HAVE_TAGCACHE
tagcache_shutdown();
#endif
#ifdef HAVE_TC_RAMCACHE
tagcache_unload_ramcache();
#endif
#ifdef HAVE_DIRCACHE
{
int old_val = global_status.dircache_size;
if (global_settings.dircache)
{
if (!dircache_is_initializing())
global_status.dircache_size = dircache_get_cache_size();
# ifdef HAVE_EEPROM_SETTINGS
if (firmware_settings.initialized)
dircache_save();
# endif
dircache_disable();
}
else
{
global_status.dircache_size = 0;
}
if (old_val != global_status.dircache_size)
status_save();
}
#endif
}
static int init_dircache(bool preinit)
{
#ifdef HAVE_DIRCACHE
int result = 0;
bool clear = false;
if (preinit)
dircache_init();
if (!global_settings.dircache)
return 0;
# ifdef HAVE_EEPROM_SETTINGS
if (firmware_settings.initialized && firmware_settings.disk_clean
&& preinit)
{
result = dircache_load();
if (result < 0)
{
firmware_settings.disk_clean = false;
if (global_status.dircache_size <= 0)
{
/* This will be in default language, settings are not
applied yet. Not really any easy way to fix that. */
splash(0, str(LANG_SCANNING_DISK));
clear = true;
}
dircache_build(global_status.dircache_size);
}
}
else
# endif
{
if (preinit)
return -1;
if (!dircache_is_enabled()
&& !dircache_is_initializing())
{
if (global_status.dircache_size <= 0)
{
splash(0, str(LANG_SCANNING_DISK));
clear = true;
}
result = dircache_build(global_status.dircache_size);
}
if (result < 0)
{
/* Initialization of dircache failed. Manual action is
* necessary to enable dircache again.
*/
splashf(0, "Dircache failed, disabled. Result: %d", result);
global_settings.dircache = false;
}
}
if (clear)
{
backlight_on();
show_logo();
global_status.dircache_size = dircache_get_cache_size();
status_save();
}
return result;
#else
(void)preinit;
return 0;
#endif
}
