diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/adm5120-2.6/config/default | 3 | ||||
| -rw-r--r-- | target/linux/amcc-2.6/config/default | 1 | ||||
| -rw-r--r-- | target/linux/at91-2.6/config/default | 3 | ||||
| -rw-r--r-- | target/linux/avr32-2.6/config/default | 1 | ||||
| -rw-r--r-- | target/linux/generic-2.6/config-2.6.22 | 3 | ||||
| -rw-r--r-- | target/linux/generic-2.6/config-template | 3 | ||||
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.22/060-rootfs_split.patch | 198 | ||||
| -rw-r--r-- | target/linux/generic-2.6/patches/060-rootfs_split.patch | 200 | ||||
| -rw-r--r-- | target/linux/magicbox-2.6/config/default | 1 | ||||
| -rw-r--r-- | target/linux/rdc-2.6/config/default | 3 | 
10 files changed, 288 insertions, 128 deletions
| diff --git a/target/linux/adm5120-2.6/config/default b/target/linux/adm5120-2.6/config/default index eb30a1625..b99e53765 100644 --- a/target/linux/adm5120-2.6/config/default +++ b/target/linux/adm5120-2.6/config/default @@ -184,7 +184,8 @@ CONFIG_MTD_PARTITIONS=y  # CONFIG_MTD_REDBOOT_PARTS is not set  # CONFIG_MTD_ROM is not set  # CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_SPLIT_ROOTFS is not set +# CONFIG_MTD_ROOTFS_ROOT_DEV is not set +# CONFIG_MTD_ROOTFS_SPLIT is not set  # CONFIG_NETDEV_1000 is not set  CONFIG_NET_KEY=y  # CONFIG_NET_PCI is not set diff --git a/target/linux/amcc-2.6/config/default b/target/linux/amcc-2.6/config/default index 4edff5b9d..d0fccac52 100644 --- a/target/linux/amcc-2.6/config/default +++ b/target/linux/amcc-2.6/config/default @@ -121,7 +121,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2  # CONFIG_MTD_REDBOOT_PARTS is not set  # CONFIG_MTD_ROM is not set  # CONFIG_MTD_SLRAM is not set -CONFIG_MTD_SPLIT_ROOTFS=y  # CONFIG_NATSEMI is not set  # CONFIG_NE2K_PCI is not set  # CONFIG_NET_VENDOR_3COM is not set diff --git a/target/linux/at91-2.6/config/default b/target/linux/at91-2.6/config/default index d2160396e..eb0081b22 100644 --- a/target/linux/at91-2.6/config/default +++ b/target/linux/at91-2.6/config/default @@ -210,7 +210,8 @@ CONFIG_MTD_PARTITIONS=y  # CONFIG_MTD_REDBOOT_PARTS is not set  # CONFIG_MTD_ROM is not set  # CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_SPLIT_ROOTFS is not set +# CONFIG_MTD_ROOTFS_ROOT_DEV is not set +# CONFIG_MTD_ROOTFS_SPLIT is not set  # CONFIG_NET_EMATCH is not set  # CONFIG_NET_IPGRE_BROADCAST is not set  # CONFIG_NET_PKTGEN is not set diff --git a/target/linux/avr32-2.6/config/default b/target/linux/avr32-2.6/config/default index 2a6056efe..5c62fa683 100644 --- a/target/linux/avr32-2.6/config/default +++ b/target/linux/avr32-2.6/config/default @@ -83,7 +83,6 @@ CONFIG_MTD_PHYSMAP=y  # CONFIG_MTD_REDBOOT_PARTS is not set  # CONFIG_MTD_ROM is not set  # CONFIG_MTD_SLRAM is not set -CONFIG_MTD_SPLIT_ROOTFS=y  CONFIG_MTD=y  # CONFIG_OWNERSHIP_TRACE is not set  CONFIG_PHYS_OFFSET=0x10000000 diff --git a/target/linux/generic-2.6/config-2.6.22 b/target/linux/generic-2.6/config-2.6.22 index 1c081ae8d..1eaf9d712 100644 --- a/target/linux/generic-2.6/config-2.6.22 +++ b/target/linux/generic-2.6/config-2.6.22 @@ -678,7 +678,8 @@ CONFIG_MODULE_UNLOAD=y  CONFIG_MSDOS_FS=m  CONFIG_MSDOS_PARTITION=y  # CONFIG_MTD_NAND is not set -CONFIG_MTD_SPLIT_ROOTFS=y +CONFIG_MTD_ROOTFS_ROOT_DEV=y +CONFIG_MTD_ROOTFS_SPLIT=y  # CONFIG_MTD_UBI is not set  # CONFIG_MYRI10GE is not set  # CONFIG_NCP_FS is not set diff --git a/target/linux/generic-2.6/config-template b/target/linux/generic-2.6/config-template index 4d9b2b900..b2d67a6ad 100644 --- a/target/linux/generic-2.6/config-template +++ b/target/linux/generic-2.6/config-template @@ -663,7 +663,8 @@ CONFIG_MODULE_UNLOAD=y  CONFIG_MSDOS_FS=m  CONFIG_MSDOS_PARTITION=y  # CONFIG_MTD_NAND is not set -CONFIG_MTD_SPLIT_ROOTFS=y +CONFIG_MTD_ROOTFS_ROOT_DEV=y +CONFIG_MTD_ROOTFS_SPLIT=y  # CONFIG_MYRI10GE is not set  # CONFIG_NCP_FS is not set  CONFIG_NET=y diff --git a/target/linux/generic-2.6/patches-2.6.22/060-rootfs_split.patch b/target/linux/generic-2.6/patches-2.6.22/060-rootfs_split.patch index 4610d3c01..c8fe052b8 100644 --- a/target/linux/generic-2.6/patches-2.6.22/060-rootfs_split.patch +++ b/target/linux/generic-2.6/patches-2.6.22/060-rootfs_split.patch @@ -1,21 +1,28 @@ -diff -urN linux-2.6.21.1.old/drivers/mtd/Kconfig linux-2.6.21.1.dev/drivers/mtd/Kconfig ---- linux-2.6.21.1.old/drivers/mtd/Kconfig	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/drivers/mtd/Kconfig	2007-05-26 19:58:42.320520952 +0200 -@@ -47,6 +47,11 @@ +Index: linux/drivers/mtd/Kconfig +=================================================================== +--- linux.orig/drivers/mtd/Kconfig ++++ linux/drivers/mtd/Kconfig +@@ -47,6 +47,16 @@ config MTD_PARTITIONS   	  devices. Partitioning on NFTL 'devices' is a different - that's the   	  'normal' form of partitioning used on a block device. -+config MTD_SPLIT_ROOTFS -+	bool "Automatically split rootfs partition for squashfs" ++config MTD_ROOTFS_ROOT_DEV ++	bool "Automatically set 'rootfs' partition to be root filesystem" ++	depends on MTD_PARTITIONS ++	default y ++ ++config MTD_ROOTFS_SPLIT ++	bool "Automatically split 'rootfs' partition for squashfs"  +	depends on MTD_PARTITIONS  +	default y  +   config MTD_REDBOOT_PARTS   	tristate "RedBoot partition table parsing"   	depends on MTD_PARTITIONS -diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mtd/mtdpart.c ---- linux-2.6.21.1.old/drivers/mtd/mtdpart.c	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/drivers/mtd/mtdpart.c	2007-05-26 19:58:42.331519280 +0200 +Index: linux/drivers/mtd/mtdpart.c +=================================================================== +--- linux.orig/drivers/mtd/mtdpart.c ++++ linux/drivers/mtd/mtdpart.c  @@ -20,6 +20,8 @@   #include <linux/mtd/mtd.h>   #include <linux/mtd/partitions.h> @@ -25,15 +32,16 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt   /* Our partition linked list */   static LIST_HEAD(mtd_partitions); -@@ -308,6 +310,171 @@ +@@ -308,6 +310,265 @@ int del_mtd_partitions(struct mtd_info *   	return 0;   }  +static u_int32_t cur_offset = 0; -+static int add_mtd_partition(struct mtd_info *master, const struct mtd_partition *part, int i) ++static int add_one_partition(struct mtd_info *master, const struct mtd_partition *part, ++		int i, struct mtd_part **slp)  +{  +	struct mtd_part *slave; -+	 ++  +	/* allocate the partition structure */  +	slave = kzalloc (sizeof(*slave), GFP_KERNEL);  +	if (!slave) { @@ -191,62 +199,118 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  +		slave->registered = 1;  +	}  + ++	if (slp) ++		*slp = slave; ++  +	return 0;  +}  + ++#ifdef CONFIG_MTD_ROOTFS_SPLIT ++#define ROOTFS_SPLIT_NAME "rootfs_data" ++static int split_squashfs(struct mtd_info *master, struct mtd_partition *old, ++		struct mtd_partition **new) ++{ ++	struct mtd_partition *part = NULL; ++	int len; ++	char buf[512]; ++	struct squashfs_super_block *sb = (struct squashfs_super_block *) buf; ++	int ret; ++ ++	ret = master->read(master, old->offset, sizeof(*sb), &len, buf); ++	if (ret) { ++		printk(KERN_ALERT "split_squashfs: error occured while reading " ++			"from \"%s\"\n", master->name); ++		goto out; ++	} ++ ++	if (len != sizeof(*sb)) { ++		printk(KERN_ALERT "split_squashfs: unable to read superblock " ++			"from \"%s\"\n", master->name); ++		ret=-1; ++		goto out; ++	} ++ ++	if (*((u32 *) buf) != SQUASHFS_MAGIC) { ++		printk(KERN_ALERT "split_squasfs: no squashfs found in \"%s\"\n", ++			master->name); ++		ret=0; ++		goto out; ++	} ++ ++	if (sb->bytes_used <= 0) { ++		printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n", ++			master->name); ++		ret=0; ++		goto out; ++	} ++ ++	part = kmalloc(sizeof(*part)+sizeof(ROOTFS_SPLIT_NAME)+1, GFP_KERNEL); ++	if (part == NULL) { ++		printk(KERN_INFO "split_squashfs: no memory for partition \"%s\"\n", ++			ROOTFS_SPLIT_NAME); ++		ret = -ENOMEM; ++		goto out; ++	} ++ ++	part->name = (unsigned char *)&part[1]; ++	memcpy(part, old, sizeof(*part)); ++	strcpy(part->name, ROOTFS_SPLIT_NAME); ++ ++	len = (u32) sb->bytes_used; ++	len += (part->offset & 0x000fffff); ++	len +=  (master->erasesize - 1); ++	len &= ~(master->erasesize - 1); ++	len -= (part->offset & 0x000fffff); ++	part->offset += len; ++	part->size -= len; ++ ++	ret = 0; ++ ++out: ++	*new = part; ++	return ret; ++} ++ ++static int split_rootfs_data(struct mtd_info *master, struct mtd_partition *part, ++		int index) ++{ ++	struct mtd_partition *dpart; ++	int ret; ++ ++	ret = split_squashfs(master, part, &dpart); ++	if (ret) ++		return ret; ++ ++	if (dpart == NULL) ++		return 1; ++ ++	printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=%lX, len=%lX \n", ++		ROOTFS_SPLIT_NAME, dpart->offset, dpart->size); ++ ++	ret = add_one_partition(master, dpart, index, NULL); ++	if (ret) ++		kfree(dpart); ++ ++	return ret; ++} ++#endif /* CONFIG_MTD_ROOTFS_SPLIT */ ++   /*    * This function, given a master MTD object and a partition table, creates    * and registers slave MTD objects which are bound to the master according to -@@ -319,169 +487,53 @@ - 		       const struct mtd_partition *parts, +@@ -320,168 +581,31 @@ int add_mtd_partitions(struct mtd_info *   		       int nbparts)   { --	struct mtd_part *slave; + 	struct mtd_part *slave;  -	u_int32_t cur_offset = 0;  -	int i;  +	struct mtd_partition *part; -+	int i, ret = 0; ++	int i, j, ret = 0;   	printk (KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name); - 	for (i = 0; i < nbparts; i++) { -+		part = (struct mtd_partition *) &parts[i]; -+		ret = add_mtd_partition(master, part, i); -+		if (ret) -+			return ret; -+		if (strcmp(part->name, "rootfs") == 0) { -+#ifdef CONFIG_MTD_SPLIT_ROOTFS -+			int len; -+			char buf[512]; -+			struct squashfs_super_block *sb = (struct squashfs_super_block *) buf; -+#define ROOTFS_SPLIT_NAME "rootfs_data" -+			if ((master->read(master, part->offset, sizeof(struct squashfs_super_block), &len, buf) == 0) && -+					(len == sizeof(struct squashfs_super_block)) && -+					(*((u32 *) buf) == SQUASHFS_MAGIC) && -+					(sb->bytes_used > 0)) { -+ -+				 -+				part = kmalloc(sizeof(struct mtd_partition), GFP_KERNEL); -+				memcpy(part, &parts[i], sizeof(struct mtd_partition)); -+				 -+				part->name = kmalloc(sizeof(ROOTFS_SPLIT_NAME) + 1, GFP_KERNEL); -+				strcpy(part->name, ROOTFS_SPLIT_NAME); -+ -+				len = (u32) sb->bytes_used; -+				len += (part->offset & 0x000fffff); -+				len +=  (master->erasesize - 1); -+				len &= ~(master->erasesize - 1); -+				len -= (part->offset & 0x000fffff); -+				part->offset += len; -+				part->size -= len; -+			 -+				if (master->erasesize <= part->size) -+					ret = add_mtd_partition(master, part, i + 1); -+				else -+					kfree(part->name); -+				if (ret) -+					return ret; -  +-	for (i = 0; i < nbparts; i++) { +-  -		/* allocate the partition structure */  -		slave = kzalloc (sizeof(*slave), GFP_KERNEL);  -		if (!slave) { @@ -324,8 +388,7 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  -				printk(KERN_NOTICE "Moving partition %d: "  -				       "0x%08x -> 0x%08x\n", i,  -				       cur_offset, slave->offset); -+				kfree(part); - 			} +-			}  -		}  -		if (slave->mtd.size == MTDPART_SIZ_FULL)  -			slave->mtd.size = master->size - slave->offset; @@ -390,7 +453,20 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  -							offs + slave->offset))  -					slave->mtd.ecc_stats.badblocks++;  -				offs += slave->mtd.erasesize; --			} ++	for (i = 0, j = 0; i < nbparts; i++) { ++		part = (struct mtd_partition *) &parts[i]; ++		ret = add_one_partition(master, part, j, &slave); ++		if (ret) ++			return ret; ++		j++; ++ ++		if (strcmp(part->name, "rootfs") == 0 && slave->registered) { ++#if CONFIG_MTD_ROOTFS_ROOT_DEV ++			if (ROOT_DEV == 0) { ++				printk(KERN_NOTICE "mtd: partition \"rootfs\" " ++					"set to be root filesystem\n"); ++				ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index); + 			}  -		}  -  -		if(parts[i].mtdp) @@ -403,8 +479,12 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  -			/* register our partition */  -			add_mtd_device(&slave->mtd);  -			slave->registered = 1; -+#endif /* CONFIG_MTD_SPLIT_ROOTFS */ -+			ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, i); ++#endif ++#if CONFIG_MTD_ROOTFS_SPLIT ++			ret = split_rootfs_data(master, part, j); ++			if (ret == 0) ++				j++; ++#endif   		}   	} diff --git a/target/linux/generic-2.6/patches/060-rootfs_split.patch b/target/linux/generic-2.6/patches/060-rootfs_split.patch index 7e4161e8d..c8fe052b8 100644 --- a/target/linux/generic-2.6/patches/060-rootfs_split.patch +++ b/target/linux/generic-2.6/patches/060-rootfs_split.patch @@ -1,21 +1,28 @@ -diff -urN linux-2.6.21.1.old/drivers/mtd/Kconfig linux-2.6.21.1.dev/drivers/mtd/Kconfig ---- linux-2.6.21.1.old/drivers/mtd/Kconfig	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/drivers/mtd/Kconfig	2007-05-26 19:58:42.320520952 +0200 -@@ -49,6 +49,11 @@ +Index: linux/drivers/mtd/Kconfig +=================================================================== +--- linux.orig/drivers/mtd/Kconfig ++++ linux/drivers/mtd/Kconfig +@@ -47,6 +47,16 @@ config MTD_PARTITIONS   	  devices. Partitioning on NFTL 'devices' is a different - that's the   	  'normal' form of partitioning used on a block device. -+config MTD_SPLIT_ROOTFS -+	bool "Automatically split rootfs partition for squashfs" ++config MTD_ROOTFS_ROOT_DEV ++	bool "Automatically set 'rootfs' partition to be root filesystem" ++	depends on MTD_PARTITIONS ++	default y ++ ++config MTD_ROOTFS_SPLIT ++	bool "Automatically split 'rootfs' partition for squashfs"  +	depends on MTD_PARTITIONS  +	default y  +   config MTD_REDBOOT_PARTS   	tristate "RedBoot partition table parsing"   	depends on MTD_PARTITIONS -diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mtd/mtdpart.c ---- linux-2.6.21.1.old/drivers/mtd/mtdpart.c	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/drivers/mtd/mtdpart.c	2007-05-26 19:58:42.331519280 +0200 +Index: linux/drivers/mtd/mtdpart.c +=================================================================== +--- linux.orig/drivers/mtd/mtdpart.c ++++ linux/drivers/mtd/mtdpart.c  @@ -20,6 +20,8 @@   #include <linux/mtd/mtd.h>   #include <linux/mtd/partitions.h> @@ -25,15 +32,16 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt   /* Our partition linked list */   static LIST_HEAD(mtd_partitions); -@@ -308,6 +310,172 @@ +@@ -308,6 +310,265 @@ int del_mtd_partitions(struct mtd_info *   	return 0;   }  +static u_int32_t cur_offset = 0; -+static int add_mtd_partition(struct mtd_info *master, const struct mtd_partition *part, int i) ++static int add_one_partition(struct mtd_info *master, const struct mtd_partition *part, ++		int i, struct mtd_part **slp)  +{  +	struct mtd_part *slave; -+	 ++  +	/* allocate the partition structure */  +	slave = kzalloc (sizeof(*slave), GFP_KERNEL);  +	if (!slave) { @@ -54,7 +62,6 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  +	slave->mtd.subpage_sft = master->subpage_sft;  +  +	slave->mtd.name = part->name; -+	slave->mtd.bank_size = master->bank_size;  +	slave->mtd.owner = master->owner;  +  +	slave->mtd.read = part_read; @@ -192,62 +199,118 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  +		slave->registered = 1;  +	}  + ++	if (slp) ++		*slp = slave; ++  +	return 0;  +}  + ++#ifdef CONFIG_MTD_ROOTFS_SPLIT ++#define ROOTFS_SPLIT_NAME "rootfs_data" ++static int split_squashfs(struct mtd_info *master, struct mtd_partition *old, ++		struct mtd_partition **new) ++{ ++	struct mtd_partition *part = NULL; ++	int len; ++	char buf[512]; ++	struct squashfs_super_block *sb = (struct squashfs_super_block *) buf; ++	int ret; ++ ++	ret = master->read(master, old->offset, sizeof(*sb), &len, buf); ++	if (ret) { ++		printk(KERN_ALERT "split_squashfs: error occured while reading " ++			"from \"%s\"\n", master->name); ++		goto out; ++	} ++ ++	if (len != sizeof(*sb)) { ++		printk(KERN_ALERT "split_squashfs: unable to read superblock " ++			"from \"%s\"\n", master->name); ++		ret=-1; ++		goto out; ++	} ++ ++	if (*((u32 *) buf) != SQUASHFS_MAGIC) { ++		printk(KERN_ALERT "split_squasfs: no squashfs found in \"%s\"\n", ++			master->name); ++		ret=0; ++		goto out; ++	} ++ ++	if (sb->bytes_used <= 0) { ++		printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n", ++			master->name); ++		ret=0; ++		goto out; ++	} ++ ++	part = kmalloc(sizeof(*part)+sizeof(ROOTFS_SPLIT_NAME)+1, GFP_KERNEL); ++	if (part == NULL) { ++		printk(KERN_INFO "split_squashfs: no memory for partition \"%s\"\n", ++			ROOTFS_SPLIT_NAME); ++		ret = -ENOMEM; ++		goto out; ++	} ++ ++	part->name = (unsigned char *)&part[1]; ++	memcpy(part, old, sizeof(*part)); ++	strcpy(part->name, ROOTFS_SPLIT_NAME); ++ ++	len = (u32) sb->bytes_used; ++	len += (part->offset & 0x000fffff); ++	len +=  (master->erasesize - 1); ++	len &= ~(master->erasesize - 1); ++	len -= (part->offset & 0x000fffff); ++	part->offset += len; ++	part->size -= len; ++ ++	ret = 0; ++ ++out: ++	*new = part; ++	return ret; ++} ++ ++static int split_rootfs_data(struct mtd_info *master, struct mtd_partition *part, ++		int index) ++{ ++	struct mtd_partition *dpart; ++	int ret; ++ ++	ret = split_squashfs(master, part, &dpart); ++	if (ret) ++		return ret; ++ ++	if (dpart == NULL) ++		return 1; ++ ++	printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=%lX, len=%lX \n", ++		ROOTFS_SPLIT_NAME, dpart->offset, dpart->size); ++ ++	ret = add_one_partition(master, dpart, index, NULL); ++	if (ret) ++		kfree(dpart); ++ ++	return ret; ++} ++#endif /* CONFIG_MTD_ROOTFS_SPLIT */ ++   /*    * This function, given a master MTD object and a partition table, creates    * and registers slave MTD objects which are bound to the master according to -@@ -319,170 +487,53 @@ - 		       const struct mtd_partition *parts, +@@ -320,168 +581,31 @@ int add_mtd_partitions(struct mtd_info *   		       int nbparts)   { --	struct mtd_part *slave; + 	struct mtd_part *slave;  -	u_int32_t cur_offset = 0;  -	int i;  +	struct mtd_partition *part; -+	int i, ret = 0; ++	int i, j, ret = 0;   	printk (KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name); - 	for (i = 0; i < nbparts; i++) { -+		part = (struct mtd_partition *) &parts[i]; -+		ret = add_mtd_partition(master, part, i); -+		if (ret) -+			return ret; -+		if (strcmp(part->name, "rootfs") == 0) { -+#ifdef CONFIG_MTD_SPLIT_ROOTFS -+			int len; -+			char buf[512]; -+			struct squashfs_super_block *sb = (struct squashfs_super_block *) buf; -+#define ROOTFS_SPLIT_NAME "rootfs_data" -+			if ((master->read(master, part->offset, sizeof(struct squashfs_super_block), &len, buf) == 0) && -+					(len == sizeof(struct squashfs_super_block)) && -+					(*((u32 *) buf) == SQUASHFS_MAGIC) && -+					(sb->bytes_used > 0)) { -+ -+				 -+				part = kmalloc(sizeof(struct mtd_partition), GFP_KERNEL); -+				memcpy(part, &parts[i], sizeof(struct mtd_partition)); -+				 -+				part->name = kmalloc(sizeof(ROOTFS_SPLIT_NAME) + 1, GFP_KERNEL); -+				strcpy(part->name, ROOTFS_SPLIT_NAME); -+ -+				len = (u32) sb->bytes_used; -+				len += (part->offset & 0x000fffff); -+				len +=  (master->erasesize - 1); -+				len &= ~(master->erasesize - 1); -+				len -= (part->offset & 0x000fffff); -+				part->offset += len; -+				part->size -= len; -+			 -+				if (master->erasesize <= part->size) -+					ret = add_mtd_partition(master, part, i + 1); -+				else -+					kfree(part->name); -+				if (ret) -+					return ret; -  +-	for (i = 0; i < nbparts; i++) { +-  -		/* allocate the partition structure */  -		slave = kzalloc (sizeof(*slave), GFP_KERNEL);  -		if (!slave) { @@ -268,7 +331,6 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  -		slave->mtd.subpage_sft = master->subpage_sft;  -  -		slave->mtd.name = parts[i].name; --		slave->mtd.bank_size = master->bank_size;  -		slave->mtd.owner = master->owner;  -  -		slave->mtd.read = part_read; @@ -326,8 +388,7 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  -				printk(KERN_NOTICE "Moving partition %d: "  -				       "0x%08x -> 0x%08x\n", i,  -				       cur_offset, slave->offset); -+				kfree(part); - 			} +-			}  -		}  -		if (slave->mtd.size == MTDPART_SIZ_FULL)  -			slave->mtd.size = master->size - slave->offset; @@ -392,7 +453,20 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  -							offs + slave->offset))  -					slave->mtd.ecc_stats.badblocks++;  -				offs += slave->mtd.erasesize; --			} ++	for (i = 0, j = 0; i < nbparts; i++) { ++		part = (struct mtd_partition *) &parts[i]; ++		ret = add_one_partition(master, part, j, &slave); ++		if (ret) ++			return ret; ++		j++; ++ ++		if (strcmp(part->name, "rootfs") == 0 && slave->registered) { ++#if CONFIG_MTD_ROOTFS_ROOT_DEV ++			if (ROOT_DEV == 0) { ++				printk(KERN_NOTICE "mtd: partition \"rootfs\" " ++					"set to be root filesystem\n"); ++				ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index); + 			}  -		}  -  -		if(parts[i].mtdp) @@ -405,8 +479,12 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt  -			/* register our partition */  -			add_mtd_device(&slave->mtd);  -			slave->registered = 1; -+#endif /* CONFIG_MTD_SPLIT_ROOTFS */ -+			ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, i); ++#endif ++#if CONFIG_MTD_ROOTFS_SPLIT ++			ret = split_rootfs_data(master, part, j); ++			if (ret == 0) ++				j++; ++#endif   		}   	} diff --git a/target/linux/magicbox-2.6/config/default b/target/linux/magicbox-2.6/config/default index 83c9d4b2a..3e36514e9 100644 --- a/target/linux/magicbox-2.6/config/default +++ b/target/linux/magicbox-2.6/config/default @@ -129,7 +129,6 @@ CONFIG_MTD_PHYSMAP_START=0xffc00000  # CONFIG_MTD_REDBOOT_PARTS is not set  # CONFIG_MTD_ROM is not set  # CONFIG_MTD_SLRAM is not set -CONFIG_MTD_SPLIT_ROOTFS=y  # CONFIG_NATSEMI is not set  # CONFIG_NE2K_PCI is not set  # CONFIG_NET_VENDOR_3COM is not set diff --git a/target/linux/rdc-2.6/config/default b/target/linux/rdc-2.6/config/default index c29b715c9..4d4859778 100644 --- a/target/linux/rdc-2.6/config/default +++ b/target/linux/rdc-2.6/config/default @@ -183,7 +183,8 @@ CONFIG_MTD_RDC3210_SIZE=0x400000  # CONFIG_MTD_ROM is not set  # CONFIG_MTD_SC520CDP is not set  # CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_SPLIT_ROOTFS is not set +# CONFIG_MTD_ROOTFS_ROOT_DEV is not set +# CONFIG_MTD_ROOTFS_SPLIT is not set  # CONFIG_MTD_TS5500 is not set  # CONFIG_MTRR is not set  # CONFIG_MVIAC3_2 is not set | 
