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clean of the rootfs_split patch

Browse Source 
SVN-Revision: 8047
This commit is contained in:
Gabor Juhos 2007-07-19 07:13:20 +00:00
parent 01696b71cc
commit 934a641058
10 changed files with 288 additions and 128 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
target/linux/adm5120-2.6/config/default
View File

@ -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

1
target/linux/amcc-2.6/config/default
View File

@ -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

3
target/linux/at91-2.6/config/default
View File

@ -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

1
target/linux/avr32-2.6/config/default
View File

@ -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

3
target/linux/generic-2.6/config-2.6.22
View File

@ -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

3
target/linux/generic-2.6/config-template
View File

@ -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

198
target/linux/generic-2.6/patches-2.6.22/060-rootfs_split.patch
View File

@ -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
}
}

200
target/linux/generic-2.6/patches/060-rootfs_split.patch
View File

@ -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
}
}

1
target/linux/magicbox-2.6/config/default
View File

@ -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

3
target/linux/rdc-2.6/config/default
View File

@ -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