mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 02:48:37 +02:00
clean of the rootfs_split patch
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8047 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
parent
388d9e834c
commit
6c27cb4e19
@ -184,7 +184,8 @@ CONFIG_MTD_PARTITIONS=y
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# CONFIG_MTD_REDBOOT_PARTS is not set
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# CONFIG_MTD_ROM is not set
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# CONFIG_MTD_SLRAM is not set
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# CONFIG_MTD_SPLIT_ROOTFS is not set
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# CONFIG_MTD_ROOTFS_ROOT_DEV is not set
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# CONFIG_MTD_ROOTFS_SPLIT is not set
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# CONFIG_NETDEV_1000 is not set
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CONFIG_NET_KEY=y
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# CONFIG_NET_PCI is not set
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@ -121,7 +121,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2
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# CONFIG_MTD_REDBOOT_PARTS is not set
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# CONFIG_MTD_ROM is not set
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# CONFIG_MTD_SLRAM is not set
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CONFIG_MTD_SPLIT_ROOTFS=y
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# CONFIG_NATSEMI is not set
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# CONFIG_NE2K_PCI is not set
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# CONFIG_NET_VENDOR_3COM is not set
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@ -210,7 +210,8 @@ CONFIG_MTD_PARTITIONS=y
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# CONFIG_MTD_REDBOOT_PARTS is not set
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# CONFIG_MTD_ROM is not set
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# CONFIG_MTD_SLRAM is not set
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# CONFIG_MTD_SPLIT_ROOTFS is not set
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# CONFIG_MTD_ROOTFS_ROOT_DEV is not set
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# CONFIG_MTD_ROOTFS_SPLIT is not set
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# CONFIG_NET_EMATCH is not set
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# CONFIG_NET_IPGRE_BROADCAST is not set
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# CONFIG_NET_PKTGEN is not set
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@ -83,7 +83,6 @@ CONFIG_MTD_PHYSMAP=y
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# CONFIG_MTD_REDBOOT_PARTS is not set
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# CONFIG_MTD_ROM is not set
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# CONFIG_MTD_SLRAM is not set
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CONFIG_MTD_SPLIT_ROOTFS=y
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CONFIG_MTD=y
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# CONFIG_OWNERSHIP_TRACE is not set
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CONFIG_PHYS_OFFSET=0x10000000
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@ -678,7 +678,8 @@ CONFIG_MODULE_UNLOAD=y
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CONFIG_MSDOS_FS=m
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CONFIG_MSDOS_PARTITION=y
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# CONFIG_MTD_NAND is not set
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CONFIG_MTD_SPLIT_ROOTFS=y
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CONFIG_MTD_ROOTFS_ROOT_DEV=y
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CONFIG_MTD_ROOTFS_SPLIT=y
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# CONFIG_MTD_UBI is not set
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# CONFIG_MYRI10GE is not set
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# CONFIG_NCP_FS is not set
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@ -663,7 +663,8 @@ CONFIG_MODULE_UNLOAD=y
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CONFIG_MSDOS_FS=m
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CONFIG_MSDOS_PARTITION=y
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# CONFIG_MTD_NAND is not set
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CONFIG_MTD_SPLIT_ROOTFS=y
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CONFIG_MTD_ROOTFS_ROOT_DEV=y
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CONFIG_MTD_ROOTFS_SPLIT=y
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# CONFIG_MYRI10GE is not set
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# CONFIG_NCP_FS is not set
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CONFIG_NET=y
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@ -1,21 +1,28 @@
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diff -urN linux-2.6.21.1.old/drivers/mtd/Kconfig linux-2.6.21.1.dev/drivers/mtd/Kconfig
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--- linux-2.6.21.1.old/drivers/mtd/Kconfig 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.dev/drivers/mtd/Kconfig 2007-05-26 19:58:42.320520952 +0200
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@@ -47,6 +47,11 @@
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Index: linux/drivers/mtd/Kconfig
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===================================================================
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--- linux.orig/drivers/mtd/Kconfig
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+++ linux/drivers/mtd/Kconfig
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@@ -47,6 +47,16 @@ config MTD_PARTITIONS
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devices. Partitioning on NFTL 'devices' is a different - that's the
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'normal' form of partitioning used on a block device.
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+config MTD_SPLIT_ROOTFS
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+ bool "Automatically split rootfs partition for squashfs"
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+config MTD_ROOTFS_ROOT_DEV
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+ bool "Automatically set 'rootfs' partition to be root filesystem"
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+ depends on MTD_PARTITIONS
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+ default y
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+
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+config MTD_ROOTFS_SPLIT
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+ bool "Automatically split 'rootfs' partition for squashfs"
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+ depends on MTD_PARTITIONS
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+ default y
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+
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config MTD_REDBOOT_PARTS
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tristate "RedBoot partition table parsing"
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depends on MTD_PARTITIONS
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diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mtd/mtdpart.c
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--- linux-2.6.21.1.old/drivers/mtd/mtdpart.c 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.dev/drivers/mtd/mtdpart.c 2007-05-26 19:58:42.331519280 +0200
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Index: linux/drivers/mtd/mtdpart.c
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===================================================================
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--- linux.orig/drivers/mtd/mtdpart.c
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+++ linux/drivers/mtd/mtdpart.c
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@@ -20,6 +20,8 @@
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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@ -25,15 +32,16 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt
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/* Our partition linked list */
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static LIST_HEAD(mtd_partitions);
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@@ -308,6 +310,171 @@
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@@ -308,6 +310,265 @@ int del_mtd_partitions(struct mtd_info *
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return 0;
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}
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+static u_int32_t cur_offset = 0;
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+static int add_mtd_partition(struct mtd_info *master, const struct mtd_partition *part, int i)
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+static int add_one_partition(struct mtd_info *master, const struct mtd_partition *part,
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+ int i, struct mtd_part **slp)
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+{
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+ struct mtd_part *slave;
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+
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+
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+ /* allocate the partition structure */
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+ slave = kzalloc (sizeof(*slave), GFP_KERNEL);
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+ if (!slave) {
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@ -191,62 +199,118 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt
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+ slave->registered = 1;
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+ }
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+
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+ if (slp)
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+ *slp = slave;
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+
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+ return 0;
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+}
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+
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+#ifdef CONFIG_MTD_ROOTFS_SPLIT
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+#define ROOTFS_SPLIT_NAME "rootfs_data"
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+static int split_squashfs(struct mtd_info *master, struct mtd_partition *old,
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+ struct mtd_partition **new)
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+{
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+ struct mtd_partition *part = NULL;
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+ int len;
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+ char buf[512];
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+ struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
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+ int ret;
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+
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+ ret = master->read(master, old->offset, sizeof(*sb), &len, buf);
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+ if (ret) {
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+ printk(KERN_ALERT "split_squashfs: error occured while reading "
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+ "from \"%s\"\n", master->name);
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+ goto out;
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+ }
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+
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+ if (len != sizeof(*sb)) {
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+ printk(KERN_ALERT "split_squashfs: unable to read superblock "
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+ "from \"%s\"\n", master->name);
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+ ret=-1;
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+ goto out;
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+ }
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+
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+ if (*((u32 *) buf) != SQUASHFS_MAGIC) {
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+ printk(KERN_ALERT "split_squasfs: no squashfs found in \"%s\"\n",
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+ master->name);
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+ ret=0;
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+ goto out;
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+ }
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+
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+ if (sb->bytes_used <= 0) {
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+ printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n",
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+ master->name);
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+ ret=0;
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+ goto out;
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+ }
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+
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+ part = kmalloc(sizeof(*part)+sizeof(ROOTFS_SPLIT_NAME)+1, GFP_KERNEL);
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+ if (part == NULL) {
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+ printk(KERN_INFO "split_squashfs: no memory for partition \"%s\"\n",
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+ ROOTFS_SPLIT_NAME);
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+ ret = -ENOMEM;
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+ goto out;
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+ }
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+
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+ part->name = (unsigned char *)&part[1];
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+ memcpy(part, old, sizeof(*part));
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+ strcpy(part->name, ROOTFS_SPLIT_NAME);
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+
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+ len = (u32) sb->bytes_used;
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+ len += (part->offset & 0x000fffff);
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+ len += (master->erasesize - 1);
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+ len &= ~(master->erasesize - 1);
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+ len -= (part->offset & 0x000fffff);
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+ part->offset += len;
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+ part->size -= len;
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+
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+ ret = 0;
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+
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+out:
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+ *new = part;
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+ return ret;
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+}
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+
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+static int split_rootfs_data(struct mtd_info *master, struct mtd_partition *part,
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+ int index)
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+{
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+ struct mtd_partition *dpart;
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+ int ret;
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+
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+ ret = split_squashfs(master, part, &dpart);
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+ if (ret)
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+ return ret;
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+
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+ if (dpart == NULL)
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+ return 1;
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+
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+ printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=%lX, len=%lX \n",
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+ ROOTFS_SPLIT_NAME, dpart->offset, dpart->size);
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+
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+ ret = add_one_partition(master, dpart, index, NULL);
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+ if (ret)
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+ kfree(dpart);
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+
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+ return ret;
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+}
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+#endif /* CONFIG_MTD_ROOTFS_SPLIT */
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+
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/*
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* This function, given a master MTD object and a partition table, creates
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* and registers slave MTD objects which are bound to the master according to
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@@ -319,169 +487,53 @@
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const struct mtd_partition *parts,
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@@ -320,168 +581,31 @@ int add_mtd_partitions(struct mtd_info *
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int nbparts)
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{
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- struct mtd_part *slave;
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struct mtd_part *slave;
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- u_int32_t cur_offset = 0;
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- int i;
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+ struct mtd_partition *part;
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+ int i, ret = 0;
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+ int i, j, ret = 0;
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printk (KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
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for (i = 0; i < nbparts; i++) {
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+ part = (struct mtd_partition *) &parts[i];
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+ ret = add_mtd_partition(master, part, i);
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+ if (ret)
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+ return ret;
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+ if (strcmp(part->name, "rootfs") == 0) {
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+#ifdef CONFIG_MTD_SPLIT_ROOTFS
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+ int len;
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+ char buf[512];
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+ struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
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+#define ROOTFS_SPLIT_NAME "rootfs_data"
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+ if ((master->read(master, part->offset, sizeof(struct squashfs_super_block), &len, buf) == 0) &&
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+ (len == sizeof(struct squashfs_super_block)) &&
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+ (*((u32 *) buf) == SQUASHFS_MAGIC) &&
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+ (sb->bytes_used > 0)) {
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+
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+
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+ part = kmalloc(sizeof(struct mtd_partition), GFP_KERNEL);
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+ memcpy(part, &parts[i], sizeof(struct mtd_partition));
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+
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+ part->name = kmalloc(sizeof(ROOTFS_SPLIT_NAME) + 1, GFP_KERNEL);
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+ strcpy(part->name, ROOTFS_SPLIT_NAME);
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+
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+ len = (u32) sb->bytes_used;
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+ len += (part->offset & 0x000fffff);
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+ len += (master->erasesize - 1);
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+ len &= ~(master->erasesize - 1);
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+ len -= (part->offset & 0x000fffff);
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+ part->offset += len;
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+ part->size -= len;
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+
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+ if (master->erasesize <= part->size)
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+ ret = add_mtd_partition(master, part, i + 1);
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+ else
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+ kfree(part->name);
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+ if (ret)
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+ return ret;
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- for (i = 0; i < nbparts; i++) {
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-
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- /* allocate the partition structure */
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- slave = kzalloc (sizeof(*slave), GFP_KERNEL);
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- if (!slave) {
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@ -324,8 +388,7 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt
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- printk(KERN_NOTICE "Moving partition %d: "
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- "0x%08x -> 0x%08x\n", i,
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- cur_offset, slave->offset);
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+ kfree(part);
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}
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- }
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- }
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- if (slave->mtd.size == MTDPART_SIZ_FULL)
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- slave->mtd.size = master->size - slave->offset;
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@ -390,7 +453,20 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt
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- offs + slave->offset))
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- slave->mtd.ecc_stats.badblocks++;
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- offs += slave->mtd.erasesize;
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- }
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+ for (i = 0, j = 0; i < nbparts; i++) {
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+ part = (struct mtd_partition *) &parts[i];
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+ ret = add_one_partition(master, part, j, &slave);
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+ if (ret)
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+ return ret;
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+ j++;
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+
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+ if (strcmp(part->name, "rootfs") == 0 && slave->registered) {
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+#if CONFIG_MTD_ROOTFS_ROOT_DEV
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+ if (ROOT_DEV == 0) {
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+ printk(KERN_NOTICE "mtd: partition \"rootfs\" "
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+ "set to be root filesystem\n");
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+ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index);
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}
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- }
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-
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- if(parts[i].mtdp)
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@ -403,8 +479,12 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt
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- /* register our partition */
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- add_mtd_device(&slave->mtd);
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- slave->registered = 1;
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+#endif /* CONFIG_MTD_SPLIT_ROOTFS */
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+ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, i);
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+#endif
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+#if CONFIG_MTD_ROOTFS_SPLIT
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+ ret = split_rootfs_data(master, part, j);
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+ if (ret == 0)
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+ j++;
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+#endif
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}
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}
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|
@ -1,21 +1,28 @@
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diff -urN linux-2.6.21.1.old/drivers/mtd/Kconfig linux-2.6.21.1.dev/drivers/mtd/Kconfig
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--- linux-2.6.21.1.old/drivers/mtd/Kconfig 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.dev/drivers/mtd/Kconfig 2007-05-26 19:58:42.320520952 +0200
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@@ -49,6 +49,11 @@
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Index: linux/drivers/mtd/Kconfig
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===================================================================
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--- linux.orig/drivers/mtd/Kconfig
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+++ linux/drivers/mtd/Kconfig
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@@ -47,6 +47,16 @@ config MTD_PARTITIONS
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devices. Partitioning on NFTL 'devices' is a different - that's the
|
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'normal' form of partitioning used on a block device.
|
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|
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+config MTD_SPLIT_ROOTFS
|
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+ bool "Automatically split rootfs partition for squashfs"
|
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+config MTD_ROOTFS_ROOT_DEV
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+ bool "Automatically set 'rootfs' partition to be root filesystem"
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+ depends on MTD_PARTITIONS
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+ default y
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+
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+config MTD_ROOTFS_SPLIT
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+ bool "Automatically split 'rootfs' partition for squashfs"
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+ depends on MTD_PARTITIONS
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+ default y
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+
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config MTD_REDBOOT_PARTS
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tristate "RedBoot partition table parsing"
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depends on MTD_PARTITIONS
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diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mtd/mtdpart.c
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--- linux-2.6.21.1.old/drivers/mtd/mtdpart.c 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.dev/drivers/mtd/mtdpart.c 2007-05-26 19:58:42.331519280 +0200
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Index: linux/drivers/mtd/mtdpart.c
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===================================================================
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--- linux.orig/drivers/mtd/mtdpart.c
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+++ linux/drivers/mtd/mtdpart.c
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@@ -20,6 +20,8 @@
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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@ -25,15 +32,16 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt
|
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|
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/* Our partition linked list */
|
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static LIST_HEAD(mtd_partitions);
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@@ -308,6 +310,172 @@
|
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@@ -308,6 +310,265 @@ int del_mtd_partitions(struct mtd_info *
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return 0;
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}
|
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+static u_int32_t cur_offset = 0;
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+static int add_mtd_partition(struct mtd_info *master, const struct mtd_partition *part, int i)
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+static int add_one_partition(struct mtd_info *master, const struct mtd_partition *part,
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+ int i, struct mtd_part **slp)
|
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+{
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+ struct mtd_part *slave;
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+
|
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+
|
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+ /* allocate the partition structure */
|
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+ slave = kzalloc (sizeof(*slave), GFP_KERNEL);
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+ if (!slave) {
|
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@ -54,7 +62,6 @@ diff -urN linux-2.6.21.1.old/drivers/mtd/mtdpart.c linux-2.6.21.1.dev/drivers/mt
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+ slave->mtd.subpage_sft = master->subpage_sft;
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+
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+ slave->mtd.name = part->name;
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+ slave->mtd.bank_size = master->bank_size;
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+ slave->mtd.owner = master->owner;
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+
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+ 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
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -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
|
||||
|
@ -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
|
||||
|
Loading…
Reference in New Issue
Block a user