fat_lock           76 fs/fat/fat.h   	struct mutex fat_lock;
fat_lock          279 fs/fat/fatent.c 	mutex_lock(&sbi->fat_lock);
fat_lock          284 fs/fat/fatent.c 	mutex_unlock(&sbi->fat_lock);
fat_lock          291 fs/fat/fatent.c 	mutex_init(&sbi->fat_lock);