diff options
7 files changed, 95 insertions, 73 deletions
diff --git a/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch index e618dd6224..ede59104b3 100644 --- a/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch +++ b/target/linux/generic/patches-3.14/400-mtd-add-rootfs-split-support.patch @@ -1,6 +1,6 @@ --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig -@@ -12,6 +12,33 @@ menuconfig MTD +@@ -12,6 +12,28 @@ menuconfig MTD if MTD @@ -10,11 +10,6 @@ + bool "Automatically set 'rootfs' partition to be root filesystem" + default y + -+config MTD_ROOTFS_SPLIT -+ bool "Automatically split 'rootfs' partition for squashfs" -+ select MTD_SPLIT -+ default y -+ +config MTD_SPLIT_FIRMWARE + bool "Automatically split firmware partition for kernel+rootfs" + default y @@ -125,7 +120,7 @@ int mtd_del_partition(struct mtd_info *master, int partno) { struct mtd_part *slave, *next; -@@ -614,6 +628,122 @@ int mtd_del_partition(struct mtd_info *m +@@ -614,6 +628,74 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -140,47 +135,6 @@ + return len; +} + -+static int split_squashfs(struct mtd_info *master, int offset, int *split_offset) -+{ -+ size_t squashfs_len; -+ int len, ret; -+ -+ ret = mtd_get_squashfs_len(master, offset, &squashfs_len); -+ if (ret) -+ return ret; -+ -+ len = mtd_pad_erasesize(master, offset, squashfs_len); -+ *split_offset = offset + len; -+ -+ return 0; -+} -+ -+static void split_rootfs_data(struct mtd_info *master, struct mtd_part *part) -+{ -+ unsigned int split_offset = 0; -+ unsigned int split_size; -+ int ret; -+ -+ ret = split_squashfs(master, part->offset, &split_offset); -+ if (ret) -+ return; -+ -+ if (split_offset <= 0) -+ return; -+ -+ if (config_enabled(CONFIG_MTD_SPLIT_SQUASHFS_ROOT)) -+ pr_err("Dedicated partitioner didn't create \"rootfs_data\" partition, please fill a bug report!\n"); -+ else -+ pr_warn("Support for built-in \"rootfs_data\" splitter will be removed, please use CONFIG_MTD_SPLIT_SQUASHFS_ROOT\n"); -+ -+ split_size = part->mtd.size - (split_offset - part->offset); -+ printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=0x%x, len=0x%x\n", -+ ROOTFS_SPLIT_NAME, split_offset, split_size); -+ -+ __mtd_add_partition(master, ROOTFS_SPLIT_NAME, split_offset, -+ split_size, false); -+} -+ +#define UBOOT_MAGIC 0x27051956 + +static void split_uimage(struct mtd_info *master, struct mtd_part *part) @@ -231,13 +185,6 @@ + if (rootfs_found) + return; + -+ if (!strcmp(part->mtd.name, "rootfs")) { -+ rootfs_found = 1; -+ -+ if (config_enabled(CONFIG_MTD_ROOTFS_SPLIT)) -+ split_rootfs_data(master, part); -+ } -+ + if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) && + config_enabled(CONFIG_MTD_SPLIT_FIRMWARE)) + split_firmware(master, part); @@ -248,7 +195,7 @@ /* * 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 -@@ -643,6 +773,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -643,6 +725,7 @@ int add_mtd_partitions(struct mtd_info * mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&slave->mtd); diff --git a/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch b/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch index 7249b30c5a..d996b60eb5 100644 --- a/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch +++ b/target/linux/generic/patches-3.14/401-mtd-add-support-for-different-partition-parser-types.patch @@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -803,6 +803,30 @@ static struct mtd_part_parser *get_parti +@@ -755,6 +755,30 @@ static struct mtd_part_parser *get_parti #define put_partition_parser(p) do { module_put((p)->owner); } while (0) @@ -42,7 +42,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> void register_mtd_parser(struct mtd_part_parser *p) { spin_lock(&part_parser_lock); -@@ -876,6 +900,38 @@ int parse_mtd_partitions(struct mtd_info +@@ -828,6 +852,38 @@ int parse_mtd_partitions(struct mtd_info return ret; } diff --git a/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch index 583e44ca12..242d957667 100644 --- a/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch +++ b/target/linux/generic/patches-3.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch @@ -38,7 +38,7 @@ static inline unsigned long mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len) { -@@ -714,6 +745,12 @@ static void split_uimage(struct mtd_info +@@ -673,6 +704,12 @@ static void split_uimage(struct mtd_info static void split_firmware(struct mtd_info *master, struct mtd_part *part) { @@ -51,20 +51,19 @@ if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT)) split_uimage(master, part); } -@@ -731,9 +768,12 @@ static void mtd_partition_split(struct m +@@ -689,6 +726,12 @@ static void mtd_partition_split(struct m + if (rootfs_found) return; - if (!strcmp(part->mtd.name, "rootfs")) { -+ int ret; ++ if (!strcmp(part->mtd.name, "rootfs")) { ++ run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS); + - rootfs_found = 1; - -- if (config_enabled(CONFIG_MTD_ROOTFS_SPLIT)) -+ ret = run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS); -+ if (ret <= 0 && config_enabled(CONFIG_MTD_ROOTFS_SPLIT)) - split_rootfs_data(master, part); - } - ++ rootfs_found = 1; ++ } ++ + if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) && + config_enabled(CONFIG_MTD_SPLIT_FIRMWARE)) + split_firmware(master, part); --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -70,6 +70,8 @@ struct mtd_part_parser_data { diff --git a/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch b/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch index be2ee69d6c..a70f81828c 100644 --- a/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch +++ b/target/linux/generic/patches-3.14/403-mtd-hook-mtdsplit-to-Kbuild.patch @@ -1,6 +1,6 @@ --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig -@@ -37,6 +37,11 @@ config MTD_UIMAGE_SPLIT +@@ -32,6 +32,11 @@ config MTD_UIMAGE_SPLIT depends on MTD_SPLIT_FIRMWARE default y diff --git a/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch b/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch index e5e7da3464..30292e9316 100644 --- a/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch +++ b/target/linux/generic/patches-3.14/405-mtd-add-more-helper-functions.patch @@ -18,7 +18,7 @@ } if (slave->offset == MTDPART_OFS_RETAIN) { slave->offset = cur_offset; -@@ -989,6 +987,24 @@ int mtd_is_partition(const struct mtd_in +@@ -944,6 +942,24 @@ int mtd_is_partition(const struct mtd_in } EXPORT_SYMBOL_GPL(mtd_is_partition); diff --git a/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch b/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch index eac31d7420..f022405be4 100644 --- a/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch +++ b/target/linux/generic/patches-3.14/406-mtd-hook-mtdsplit-into-Kbuild.patch @@ -1,6 +1,6 @@ --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig -@@ -37,6 +37,8 @@ config MTD_UIMAGE_SPLIT +@@ -32,6 +32,8 @@ config MTD_UIMAGE_SPLIT depends on MTD_SPLIT_FIRMWARE default y diff --git a/target/linux/generic/patches-3.14/408-mtd-old-rootfs-squashfs-splitter.patch b/target/linux/generic/patches-3.14/408-mtd-old-rootfs-squashfs-splitter.patch new file mode 100644 index 0000000000..ff2c702a56 --- /dev/null +++ b/target/linux/generic/patches-3.14/408-mtd-old-rootfs-squashfs-splitter.patch @@ -0,0 +1,76 @@ +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -18,6 +18,11 @@ config MTD_ROOTFS_ROOT_DEV + bool "Automatically set 'rootfs' partition to be root filesystem" + default y + ++config MTD_ROOTFS_SPLIT ++ bool "Automatically split 'rootfs' partition for squashfs" ++ select MTD_SPLIT ++ default y ++ + config MTD_SPLIT_FIRMWARE + bool "Automatically split firmware partition for kernel+rootfs" + default y +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -668,6 +668,47 @@ mtd_pad_erasesize(struct mtd_info *mtd, + return len; + } + ++static int split_squashfs(struct mtd_info *master, int offset, int *split_offset) ++{ ++ size_t squashfs_len; ++ int len, ret; ++ ++ ret = mtd_get_squashfs_len(master, offset, &squashfs_len); ++ if (ret) ++ return ret; ++ ++ len = mtd_pad_erasesize(master, offset, squashfs_len); ++ *split_offset = offset + len; ++ ++ return 0; ++} ++ ++static void split_rootfs_data(struct mtd_info *master, struct mtd_part *part) ++{ ++ unsigned int split_offset = 0; ++ unsigned int split_size; ++ int ret; ++ ++ ret = split_squashfs(master, part->offset, &split_offset); ++ if (ret) ++ return; ++ ++ if (split_offset <= 0) ++ return; ++ ++ if (config_enabled(CONFIG_MTD_SPLIT_SQUASHFS_ROOT)) ++ pr_err("Dedicated partitioner didn't create \"rootfs_data\" partition, please fill a bug report!\n"); ++ else ++ pr_warn("Support for built-in \"rootfs_data\" splitter will be removed, please use CONFIG_MTD_SPLIT_SQUASHFS_ROOT\n"); ++ ++ split_size = part->mtd.size - (split_offset - part->offset); ++ printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=0x%x, len=0x%x\n", ++ ROOTFS_SPLIT_NAME, split_offset, split_size); ++ ++ __mtd_add_partition(master, ROOTFS_SPLIT_NAME, split_offset, ++ split_size, false); ++} ++ + #define UBOOT_MAGIC 0x27051956 + + static void split_uimage(struct mtd_info *master, struct mtd_part *part) +@@ -725,7 +766,10 @@ static void mtd_partition_split(struct m + return; + + if (!strcmp(part->mtd.name, "rootfs")) { +- run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS); ++ int num = run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS); ++ ++ if (num <= 0 && config_enabled(CONFIG_MTD_ROOTFS_SPLIT)) ++ split_rootfs_data(master, part); + + rootfs_found = 1; + } |