diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/generic/patches-3.10/400-rootfs_split.patch | 143 | ||||
| -rw-r--r-- | target/linux/x86/base-files/lib/upgrade/platform.sh | 6 |
2 files changed, 4 insertions, 145 deletions
diff --git a/target/linux/generic/patches-3.10/400-rootfs_split.patch b/target/linux/generic/patches-3.10/400-rootfs_split.patch index 2bb7774fc6..4c8e019240 100644 --- a/target/linux/generic/patches-3.10/400-rootfs_split.patch +++ b/target/linux/generic/patches-3.10/400-rootfs_split.patch @@ -35,7 +35,7 @@ /* * MTD methods which simply translate the effective address and pass through -@@ -613,6 +615,144 @@ int mtd_del_partition(struct mtd_info *m +@@ -613,6 +615,92 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -123,64 +123,12 @@ + + return 0; +} -+ -+static int refresh_rootfs_split(struct mtd_info *mtd) -+{ -+ struct mtd_partition tpart; -+ struct mtd_part *part; -+ char *name; -+ //int index = 0; -+ int offset, size; -+ int ret; -+ -+ part = PART(mtd); -+ -+ /* check for the new squashfs offset first */ -+ ret = split_squashfs(part->master, part->offset, &offset); -+ if (ret) -+ return ret; -+ -+ if ((offset > 0) && !mtd->split) { -+ printk(KERN_INFO "%s: creating new split partition for \"%s\"\n", __func__, mtd->name); -+ /* if we don't have a rootfs split partition, create a new one */ -+ tpart.name = (char *) mtd->name; -+ tpart.size = mtd->size; -+ tpart.offset = part->offset; -+ -+ return split_rootfs_data(part->master, &part->mtd, &tpart); -+ } else if ((offset > 0) && mtd->split) { -+ /* update the offsets of the existing partition */ -+ size = mtd->size + part->offset - offset; -+ -+ part = PART(mtd->split); -+ part->offset = offset; -+ part->mtd.size = size; -+ printk(KERN_INFO "%s: %s partition \"" ROOTFS_SPLIT_NAME "\", offset: 0x%06x (0x%06x)\n", -+ __func__, (!strcmp(part->mtd.name, ROOTFS_SPLIT_NAME) ? "updating" : "creating"), -+ (u32) part->offset, (u32) part->mtd.size); -+ name = kmalloc(sizeof(ROOTFS_SPLIT_NAME) + 1, GFP_KERNEL); -+ strcpy(name, ROOTFS_SPLIT_NAME); -+ part->mtd.name = name; -+ } else if ((offset <= 0) && mtd->split) { -+ printk(KERN_INFO "%s: removing partition \"%s\"\n", __func__, mtd->split->name); -+ -+ /* mark existing partition as removed */ -+ part = PART(mtd->split); -+ name = kmalloc(sizeof(ROOTFS_SPLIT_NAME) + 1, GFP_KERNEL); -+ strcpy(name, ROOTFS_REMOVED_NAME); -+ part->mtd.name = name; -+ part->offset = 0; -+ part->mtd.size = 0; -+ } -+ -+ return 0; -+} +#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 -@@ -629,6 +769,9 @@ int add_mtd_partitions(struct mtd_info * +@@ -629,6 +717,9 @@ int add_mtd_partitions(struct mtd_info * struct mtd_part *slave; uint64_t cur_offset = 0; int i; @@ -190,7 +138,7 @@ printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name); -@@ -643,12 +786,53 @@ int add_mtd_partitions(struct mtd_info * +@@ -643,6 +734,21 @@ int add_mtd_partitions(struct mtd_info * add_mtd_device(&slave->mtd); @@ -212,53 +160,6 @@ cur_offset = slave->offset + slave->mtd.size; } - return 0; - } - -+int mtd_device_refresh(struct mtd_info *mtd) -+{ -+ int ret = 0; -+ -+ if (IS_PART(mtd)) { -+ struct mtd_part *part; -+ struct mtd_info *master; -+ -+ part = PART(mtd); -+ master = part->master; -+ if (master->refresh_device) -+ ret = master->refresh_device(master); -+ } -+ -+ if (!ret && mtd->refresh_device) -+ ret = mtd->refresh_device(mtd); -+ -+#ifdef CONFIG_MTD_ROOTFS_SPLIT -+ if (!ret && IS_PART(mtd) && !strcmp(mtd->name, "rootfs")) -+ refresh_rootfs_split(mtd); -+#endif -+ -+ return 0; -+} -+EXPORT_SYMBOL_GPL(mtd_device_refresh); -+ - static DEFINE_SPINLOCK(part_parser_lock); - static LIST_HEAD(part_parsers); - ---- a/drivers/mtd/mtdchar.c -+++ b/drivers/mtd/mtdchar.c -@@ -1010,6 +1010,12 @@ static int mtdchar_ioctl(struct file *fi - break; - } - -+ case MTDREFRESH: -+ { -+ ret = mtd_device_refresh(mtd); -+ break; -+ } -+ - default: - ret = -ENOTTY; - } --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -114,6 +114,7 @@ struct nand_ecclayout { @@ -269,48 +170,12 @@ struct mtd_info { u_char type; uint32_t flags; -@@ -226,6 +227,9 @@ struct mtd_info { +@@ -226,6 +227,8 @@ struct mtd_info { int (*_block_markbad) (struct mtd_info *mtd, loff_t ofs); int (*_suspend) (struct mtd_info *mtd); void (*_resume) (struct mtd_info *mtd); -+ int (*refresh_device)(struct mtd_info *mtd); + struct mtd_info *split; + /* * If the driver is something smart, like UBI, it may need to maintain * its own reference counting. The below functions are only for driver. -@@ -368,6 +372,7 @@ extern int mtd_device_parse_register(str - int defnr_parts); - #define mtd_device_register(master, parts, nr_parts) \ - mtd_device_parse_register(master, NULL, NULL, parts, nr_parts) -+extern int mtd_device_refresh(struct mtd_info *master); - extern int mtd_device_unregister(struct mtd_info *master); - extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num); - extern int __get_mtd_device(struct mtd_info *mtd); ---- a/include/linux/mtd/partitions.h -+++ b/include/linux/mtd/partitions.h -@@ -36,12 +36,14 @@ - * erasesize aligned (e.g. use MTDPART_OFS_NEXTBLK). - */ - -+struct mtd_partition; - struct mtd_partition { - char *name; /* identifier string */ - uint64_t size; /* partition size */ - uint64_t offset; /* offset within the master MTD space */ - uint32_t mask_flags; /* master MTD flags to mask out for this partition */ - struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */ -+ int (*refresh_partition)(struct mtd_info *); - }; - - #define MTDPART_OFS_RETAIN (-3) ---- a/include/uapi/mtd/mtd-abi.h -+++ b/include/uapi/mtd/mtd-abi.h -@@ -202,6 +202,7 @@ struct otp_info { - * without OOB, e.g., NOR flash. - */ - #define MEMWRITE _IOWR('M', 24, struct mtd_write_req) -+#define MTDREFRESH _IO('M', 50) - - /* - * Obsolete legacy interface. Keep it in order not to break userspace diff --git a/target/linux/x86/base-files/lib/upgrade/platform.sh b/target/linux/x86/base-files/lib/upgrade/platform.sh index dd94db0694..9503d5db88 100644 --- a/target/linux/x86/base-files/lib/upgrade/platform.sh +++ b/target/linux/x86/base-files/lib/upgrade/platform.sh @@ -1,5 +1,3 @@ -USE_REFRESH=1 - x86_get_rootfs() { local rootfsdev local rootfstype @@ -27,10 +25,6 @@ platform_check_image() { esac } -platform_refresh_partitions() { - return 0 -} - platform_copy_config() { local rootfs="$(x86_get_rootfs)" local rootfsdev="${rootfs##*:}" |