{"id":809226,"url":"http://patchwork.ozlabs.org/api/1.2/patches/809226/?format=json","web_url":"http://patchwork.ozlabs.org/project/lede/patch/20170903054348.4059-1-hackpascal@gmail.com/","project":{"id":54,"url":"http://patchwork.ozlabs.org/api/1.2/projects/54/?format=json","name":"LEDE development","link_name":"lede","list_id":"lede-dev.lists.infradead.org","list_email":"lede-dev@lists.infradead.org","web_url":"http://lede-project.org/","scm_url":"","webscm_url":"http://git.lede-project.org/","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170903054348.4059-1-hackpascal@gmail.com>","list_archive_url":null,"date":"2017-09-03T05:43:48","name":"[LEDE-DEV,PATCHv2,2/4] kernel/4.4: mtdsplit: add kernel cmdline to disable split parsers for rootfs and firmware partitions","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"b9ce519d3cdc26f5977fb643d6c1e22da3f0e2bf","submitter":{"id":65302,"url":"http://patchwork.ozlabs.org/api/1.2/people/65302/?format=json","name":"Weijie Gao","email":"hackpascal@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/lede/patch/20170903054348.4059-1-hackpascal@gmail.com/mbox/","series":[{"id":1199,"url":"http://patchwork.ozlabs.org/api/1.2/series/1199/?format=json","web_url":"http://patchwork.ozlabs.org/project/lede/list/?series=1199","date":"2017-09-03T05:43:18","name":"[LEDE-DEV,PATCHv2,1/4] mac80211: enable use of GPI9 of ath9k","version":1,"mbox":"http://patchwork.ozlabs.org/series/1199/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/809226/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/809226/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"Lede-dev\" ","Errors-To":"lede-dev-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"},"content":"From: Weijie Gao \n\nSome firmware have already defined rootfs/rootfs_data partitions and do not need extra split operations.\n\nThis patch adds two kernel cmdline parameters to disable firmware and rootfs parsers separately:\n nofwsplit\n norootfssplit\n\nSigned-off-by: Weijie Gao \n---\n ...d-kernel-cmdline-to-disable-split-parsers.patch | 56 ++++++++++++++++++++++\n 1 file changed, 56 insertions(+)\n create mode 100644 target/linux/generic/pending-4.4/405-mtd-add-kernel-cmdline-to-disable-split-parsers.patch","diff":"diff --git a/target/linux/generic/pending-4.4/405-mtd-add-kernel-cmdline-to-disable-split-parsers.patch b/target/linux/generic/pending-4.4/405-mtd-add-kernel-cmdline-to-disable-split-parsers.patch\nnew file mode 100644\nindex 0000000000..b0a666a401\n--- /dev/null\n+++ b/target/linux/generic/pending-4.4/405-mtd-add-kernel-cmdline-to-disable-split-parsers.patch\n@@ -0,0 +1,56 @@\n+--- a/drivers/mtd/mtdpart.c\n++++ b/drivers/mtd/mtdpart.c\n+@@ -39,6 +39,10 @@\n+ \n+ #define MTD_ERASE_PARTIAL\t0x8000 /* partition only covers parts of an erase block */\n+ \n++/* Do not split firmware/rootfs partition */\n++static bool no_fw_split_flag = 0;\n++static bool no_rootfs_split_flag = 0;\n++\n+ /* Our partition linked list */\n+ static LIST_HEAD(mtd_partitions);\n+ static DEFINE_MUTEX(mtd_partitions_mutex);\n+@@ -774,6 +778,9 @@ mtd_pad_erasesize(struct mtd_info *mtd,\n+ \n+ static void split_firmware(struct mtd_info *master, struct mtd_part *part)\n+ {\n++\tif (no_fw_split_flag)\n++\t\treturn;\n++\n+ \trun_parsers_by_type(part, MTD_PARSER_TYPE_FIRMWARE);\n+ }\n+ \n+@@ -790,7 +797,8 @@ static void mtd_partition_split(struct m\n+ \t\treturn;\n+ \n+ \tif (!strcmp(part->mtd.name, \"rootfs\")) {\n+-\t\trun_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);\n++\t\tif (!no_rootfs_split_flag)\n++\t\t\trun_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);\n+ \n+ \t\trootfs_found = 1;\n+ \t}\n+@@ -1092,3 +1100,22 @@ uint64_t mtd_get_device_size(const struc\n+ \treturn PART(mtd)->master->size;\n+ }\n+ EXPORT_SYMBOL_GPL(mtd_get_device_size);\n++\n++\n++static int __init no_fw_split(char *str)\n++{\n++\tno_fw_split_flag = 1;\n++\n++\treturn 0;\n++}\n++\n++early_param(\"nofwsplit\", no_fw_split);\n++\n++static int __init no_rootfs_split(char *str)\n++{\n++\tno_rootfs_split_flag = 1;\n++\n++\treturn 0;\n++}\n++\n++early_param(\"norootfssplit\", no_rootfs_split);\n","prefixes":["LEDE-DEV","PATCHv2","2/4"]}