From 71a03fb16860e6f94d1f58c0754e74486c8167b2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sat, 27 Sep 2014 09:44:24 +0000 Subject: [PATCH] kernel: merge two mtdpart.c patches MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It does not make sense to add some code and remove is 4 patches later. Signed-off-by: Rafał Miłecki SVN-Revision: 42673 --- .../400-mtd-add-rootfs-split-support.patch | 58 +++++----------- ...for-different-partition-parser-types.patch | 4 +- ...arsers-for-rootfs-and-firmware-split.patch | 6 +- .../403-mtd-hook-mtdsplit-to-Kbuild.patch | 2 +- ...td_get_squashfs_len-in-split_squasfh.patch | 69 ------------------- 5 files changed, 24 insertions(+), 115 deletions(-) delete mode 100644 target/linux/generic/patches-3.14/404-mtd-use-mtd_get_squashfs_len-in-split_squasfh.patch 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 22a07fc840..4e68d8cbd5 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 +12,32 @@ menuconfig MTD +@@ -12,6 +12,33 @@ menuconfig MTD if MTD @@ -12,6 +12,7 @@ + +config MTD_ROOTFS_SPLIT + bool "Automatically split 'rootfs' partition for squashfs" ++ select MTD_SPLIT + default y + +config MTD_SPLIT_FIRMWARE @@ -35,7 +36,7 @@ depends on m --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -29,6 +29,7 @@ +@@ -29,9 +29,11 @@ #include #include #include @@ -43,7 +44,11 @@ #include #include "mtdcore.h" -@@ -45,13 +46,14 @@ struct mtd_part { ++#include "mtdsplit.h" + + /* Our partition linked list */ + static LIST_HEAD(mtd_partitions); +@@ -45,13 +47,14 @@ struct mtd_part { struct list_head list; }; @@ -59,7 +64,7 @@ /* * MTD methods which simply translate the effective address and pass through * to the _real_ device. -@@ -534,8 +536,10 @@ out_register: +@@ -534,8 +537,10 @@ out_register: return slave; } @@ -72,7 +77,7 @@ { struct mtd_partition part; struct mtd_part *p, *new; -@@ -567,21 +571,24 @@ int mtd_add_partition(struct mtd_info *m +@@ -567,21 +572,24 @@ int mtd_add_partition(struct mtd_info *m end = offset + length; mutex_lock(&mtd_partitions_mutex); @@ -107,7 +112,7 @@ return ret; err_inv: -@@ -591,6 +598,12 @@ err_inv: +@@ -591,6 +599,12 @@ err_inv: } EXPORT_SYMBOL_GPL(mtd_add_partition); @@ -120,7 +125,7 @@ int mtd_del_partition(struct mtd_info *master, int partno) { struct mtd_part *slave, *next; -@@ -614,6 +627,144 @@ int mtd_del_partition(struct mtd_info *m +@@ -614,6 +628,117 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -135,43 +140,16 @@ + return len; +} + -+#define ROOTFS_SPLIT_NAME "rootfs_data" -+ -+struct squashfs_super_block { -+ __le32 s_magic; -+ __le32 pad0[9]; -+ __le64 bytes_used; -+}; -+ -+ +static int split_squashfs(struct mtd_info *master, int offset, int *split_offset) +{ -+ struct squashfs_super_block sb; ++ size_t squashfs_len; + int len, ret; + -+ ret = mtd_read(master, offset, sizeof(sb), &len, (void *) &sb); -+ if (ret || (len != sizeof(sb))) { -+ printk(KERN_ALERT "split_squashfs: error occured while reading " -+ "from \"%s\"\n", master->name); -+ return -EINVAL; -+ } ++ ret = mtd_get_squashfs_len(master, offset, &squashfs_len); ++ if (ret) ++ return ret; + -+ if (SQUASHFS_MAGIC != le32_to_cpu(sb.s_magic) ) { -+ printk(KERN_ALERT "split_squashfs: no squashfs found in \"%s\"\n", -+ master->name); -+ *split_offset = 0; -+ return 0; -+ } -+ -+ if (le64_to_cpu((sb.bytes_used)) <= 0) { -+ printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n", -+ master->name); -+ *split_offset = 0; -+ return 0; -+ } -+ -+ len = (u32) le64_to_cpu(sb.bytes_used); -+ len = mtd_pad_erasesize(master, offset, len); ++ len = mtd_pad_erasesize(master, offset, squashfs_len); + *split_offset = offset + len; + + return 0; @@ -265,7 +243,7 @@ /* * 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 +794,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -643,6 +768,7 @@ 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 9addb8b3fd..a434f6e392 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 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -824,6 +824,30 @@ static struct mtd_part_parser *get_parti +@@ -798,6 +798,30 @@ 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 void register_mtd_parser(struct mtd_part_parser *p) { spin_lock(&part_parser_lock); -@@ -897,6 +921,38 @@ int parse_mtd_partitions(struct mtd_info +@@ -871,6 +895,38 @@ 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 a614094851..92a3ee7633 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 @@ -1,6 +1,6 @@ --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -627,6 +627,37 @@ int mtd_del_partition(struct mtd_info *m +@@ -628,6 +628,37 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -38,7 +38,7 @@ static inline unsigned long mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len) { -@@ -686,6 +717,10 @@ static void split_rootfs_data(struct mtd +@@ -660,6 +691,10 @@ static void split_rootfs_data(struct mtd unsigned int split_size; int ret; @@ -49,7 +49,7 @@ ret = split_squashfs(master, part->offset, &split_offset); if (ret) return; -@@ -735,6 +770,12 @@ static void split_uimage(struct mtd_info +@@ -709,6 +744,12 @@ static void split_uimage(struct mtd_info static void split_firmware(struct mtd_info *master, struct mtd_part *part) { 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 c24f34c5cc..be2ee69d6c 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 -@@ -36,6 +36,11 @@ config MTD_UIMAGE_SPLIT +@@ -37,6 +37,11 @@ config MTD_UIMAGE_SPLIT depends on MTD_SPLIT_FIRMWARE default y diff --git a/target/linux/generic/patches-3.14/404-mtd-use-mtd_get_squashfs_len-in-split_squasfh.patch b/target/linux/generic/patches-3.14/404-mtd-use-mtd_get_squashfs_len-in-split_squasfh.patch deleted file mode 100644 index a54b97b07c..0000000000 --- a/target/linux/generic/patches-3.14/404-mtd-use-mtd_get_squashfs_len-in-split_squasfh.patch +++ /dev/null @@ -1,69 +0,0 @@ ---- a/drivers/mtd/mtdpart.c -+++ b/drivers/mtd/mtdpart.c -@@ -33,6 +33,7 @@ - #include - - #include "mtdcore.h" -+#include "mtdsplit.h" - - /* Our partition linked list */ - static LIST_HEAD(mtd_partitions); -@@ -669,43 +670,16 @@ mtd_pad_erasesize(struct mtd_info *mtd, - return len; - } - --#define ROOTFS_SPLIT_NAME "rootfs_data" -- --struct squashfs_super_block { -- __le32 s_magic; -- __le32 pad0[9]; -- __le64 bytes_used; --}; -- -- - static int split_squashfs(struct mtd_info *master, int offset, int *split_offset) - { -- struct squashfs_super_block sb; -+ size_t squashfs_len; - int len, ret; - -- ret = mtd_read(master, offset, sizeof(sb), &len, (void *) &sb); -- if (ret || (len != sizeof(sb))) { -- printk(KERN_ALERT "split_squashfs: error occured while reading " -- "from \"%s\"\n", master->name); -- return -EINVAL; -- } -- -- if (SQUASHFS_MAGIC != le32_to_cpu(sb.s_magic) ) { -- printk(KERN_ALERT "split_squashfs: no squashfs found in \"%s\"\n", -- master->name); -- *split_offset = 0; -- return 0; -- } -- -- if (le64_to_cpu((sb.bytes_used)) <= 0) { -- printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n", -- master->name); -- *split_offset = 0; -- return 0; -- } -+ ret = mtd_get_squashfs_len(master, offset, &squashfs_len); -+ if (ret) -+ return ret; - -- len = (u32) le64_to_cpu(sb.bytes_used); -- len = mtd_pad_erasesize(master, offset, len); -+ len = mtd_pad_erasesize(master, offset, squashfs_len); - *split_offset = offset + len; - - return 0; ---- a/drivers/mtd/Kconfig -+++ b/drivers/mtd/Kconfig -@@ -20,6 +20,7 @@ config MTD_ROOTFS_ROOT_DEV - - config MTD_ROOTFS_SPLIT - bool "Automatically split 'rootfs' partition for squashfs" -+ select MTD_SPLIT - default y - - config MTD_SPLIT_FIRMWARE