C++ (Cpp) INFTL_mount示例

示例#1

static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
{
	struct INFTLrecord *inftl;
	unsigned long temp;

	if (mtd->ecctype != MTD_ECC_RS_DiskOnChip)
		return;

	DEBUG(MTD_DEBUG_LEVEL3, "INFTL: add_mtd for %s\n", mtd->name);

	inftl = kmalloc(sizeof(*inftl), GFP_KERNEL);

	if (!inftl) {
		printk(KERN_WARNING "INFTL: Out of memory for data structures\n");
		return;
	}
	memset(inftl, 0, sizeof(*inftl));

	inftl->mbd.mtd = mtd;
	inftl->mbd.devnum = -1;
	inftl->mbd.blksize = 512;
	inftl->mbd.tr = tr;

        if (INFTL_mount(inftl) < 0) {
		printk(KERN_WARNING "INFTL: could not mount device\n");
		kfree(inftl);
		return;
        }

	/* OK, it's a new one. Set up all the data structures. */

	/* Calculate geometry */
	inftl->cylinders = 1024;
	inftl->heads = 16;

	temp = inftl->cylinders * inftl->heads;
	inftl->sectors = inftl->mbd.size / temp;
	if (inftl->mbd.size % temp) {
		inftl->sectors++;
		temp = inftl->cylinders * inftl->sectors;
		inftl->heads = inftl->mbd.size / temp;

		if (inftl->mbd.size % temp) {
			inftl->heads++;
			temp = inftl->heads * inftl->sectors;
			inftl->cylinders = inftl->mbd.size / temp;
		}
	}

	if (inftl->mbd.size != inftl->heads * inftl->cylinders * inftl->sectors) {
		/*
		  Oh no we don't have 
		   mbd.size == heads * cylinders * sectors
		*/
		printk(KERN_WARNING "INFTL: cannot calculate a geometry to "
		       "match size of 0x%lx.\n", inftl->mbd.size);
		printk(KERN_WARNING "INFTL: using C:%d H:%d S:%d "
			"(== 0x%lx sects)\n",
			inftl->cylinders, inftl->heads , inftl->sectors, 
			(long)inftl->cylinders * (long)inftl->heads *
			(long)inftl->sectors );
	}

	if (add_mtd_blktrans_dev(&inftl->mbd)) {
		if (inftl->PUtable)
			kfree(inftl->PUtable);
		if (inftl->VUtable)
			kfree(inftl->VUtable);
		kfree(inftl);
		return;
	}
#ifdef PSYCHO_DEBUG
	printk(KERN_INFO "INFTL: Found new nftl%c\n", nftl->mbd.devnum + 'a');
#endif
	return;
}

示例#2

文件： inftlcore.c 项目： AppEngine/linux-2.6

static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
{
	struct INFTLrecord *inftl;
	unsigned long temp;

	if (mtd->type != MTD_NANDFLASH || mtd->size > UINT_MAX)
		return;
	/* OK, this is moderately ugly.  But probably safe.  Alternatives? */
	if (memcmp(mtd->name, "DiskOnChip", 10))
		return;

	if (!mtd->block_isbad) {
		printk(KERN_ERR
"INFTL no longer supports the old DiskOnChip drivers loaded via docprobe.\n"
"Please use the new diskonchip driver under the NAND subsystem.\n");
		return;
	}

	DEBUG(MTD_DEBUG_LEVEL3, "INFTL: add_mtd for %s\n", mtd->name);

	inftl = kzalloc(sizeof(*inftl), GFP_KERNEL);

	if (!inftl) {
		printk(KERN_WARNING "INFTL: Out of memory for data structures\n");
		return;
	}

	inftl->mbd.mtd = mtd;
	inftl->mbd.devnum = -1;

	inftl->mbd.tr = tr;

	if (INFTL_mount(inftl) < 0) {
		printk(KERN_WARNING "INFTL: could not mount device\n");
		kfree(inftl);
		return;
	}

	/* OK, it's a new one. Set up all the data structures. */

	/* Calculate geometry */
	inftl->cylinders = 1024;
	inftl->heads = 16;

	temp = inftl->cylinders * inftl->heads;
	inftl->sectors = inftl->mbd.size / temp;
	if (inftl->mbd.size % temp) {
		inftl->sectors++;
		temp = inftl->cylinders * inftl->sectors;
		inftl->heads = inftl->mbd.size / temp;

		if (inftl->mbd.size % temp) {
			inftl->heads++;
			temp = inftl->heads * inftl->sectors;
			inftl->cylinders = inftl->mbd.size / temp;
		}
	}

	if (inftl->mbd.size != inftl->heads * inftl->cylinders * inftl->sectors) {
		/*
		  Oh no we don't have
		   mbd.size == heads * cylinders * sectors
		*/
		printk(KERN_WARNING "INFTL: cannot calculate a geometry to "
		       "match size of 0x%lx.\n", inftl->mbd.size);
		printk(KERN_WARNING "INFTL: using C:%d H:%d S:%d "
			"(== 0x%lx sects)\n",
			inftl->cylinders, inftl->heads , inftl->sectors,
			(long)inftl->cylinders * (long)inftl->heads *
			(long)inftl->sectors );
	}

	if (add_mtd_blktrans_dev(&inftl->mbd)) {
		kfree(inftl->PUtable);
		kfree(inftl->VUtable);
		kfree(inftl);
		return;
	}
#ifdef PSYCHO_DEBUG
	printk(KERN_INFO "INFTL: Found new inftl%c\n", inftl->mbd.devnum + 'a');
#endif
	return;
}

示例#3

文件： inftlcore.c 项目： DirtyDroidX/android_kernel_htc_m8ul

static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
{
	struct INFTLrecord *inftl;
	unsigned long temp;

	if (mtd->type != MTD_NANDFLASH || mtd->size > UINT_MAX)
		return;
	
	if (memcmp(mtd->name, "DiskOnChip", 10))
		return;

	if (!mtd->_block_isbad) {
		printk(KERN_ERR
"INFTL no longer supports the old DiskOnChip drivers loaded via docprobe.\n"
"Please use the new diskonchip driver under the NAND subsystem.\n");
		return;
	}

	pr_debug("INFTL: add_mtd for %s\n", mtd->name);

	inftl = kzalloc(sizeof(*inftl), GFP_KERNEL);

	if (!inftl)
		return;

	inftl->mbd.mtd = mtd;
	inftl->mbd.devnum = -1;

	inftl->mbd.tr = tr;

	if (INFTL_mount(inftl) < 0) {
		printk(KERN_WARNING "INFTL: could not mount device\n");
		kfree(inftl);
		return;
	}

	

	
	inftl->cylinders = 1024;
	inftl->heads = 16;

	temp = inftl->cylinders * inftl->heads;
	inftl->sectors = inftl->mbd.size / temp;
	if (inftl->mbd.size % temp) {
		inftl->sectors++;
		temp = inftl->cylinders * inftl->sectors;
		inftl->heads = inftl->mbd.size / temp;

		if (inftl->mbd.size % temp) {
			inftl->heads++;
			temp = inftl->heads * inftl->sectors;
			inftl->cylinders = inftl->mbd.size / temp;
		}
	}

	if (inftl->mbd.size != inftl->heads * inftl->cylinders * inftl->sectors) {
		printk(KERN_WARNING "INFTL: cannot calculate a geometry to "
		       "match size of 0x%lx.\n", inftl->mbd.size);
		printk(KERN_WARNING "INFTL: using C:%d H:%d S:%d "
			"(== 0x%lx sects)\n",
			inftl->cylinders, inftl->heads , inftl->sectors,
			(long)inftl->cylinders * (long)inftl->heads *
			(long)inftl->sectors );
	}

	if (add_mtd_blktrans_dev(&inftl->mbd)) {
		kfree(inftl->PUtable);
		kfree(inftl->VUtable);
		kfree(inftl);
		return;
	}
#ifdef PSYCHO_DEBUG
	printk(KERN_INFO "INFTL: Found new inftl%c\n", inftl->mbd.devnum + 'a');
#endif
	return;
}