diff options
Diffstat (limited to 'target')
5 files changed, 418 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.14/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch b/target/linux/generic/patches-3.14/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch new file mode 100644 index 0000000..440c6bf --- /dev/null +++ b/target/linux/generic/patches-3.14/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch @@ -0,0 +1,68 @@ +From 8a52e4100d7c3a4a1dfddfa02b8864a9b0068c13 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Sat, 17 May 2014 03:36:18 +0200 +Subject: [PATCH 1/5] ubi: auto-attach mtd device named "ubi" or "data" on boot +To: openwrt-devel@lists.openwrt.org + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + drivers/mtd/ubi/build.c | 36 ++++++++++++++++++++++++++++++++++++ + 1 file changed, 36 insertions(+) + +diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c +index 6e30a3c..999a36b 100644 +--- a/drivers/mtd/ubi/build.c ++++ b/drivers/mtd/ubi/build.c +@@ -1209,6 +1209,36 @@ static struct mtd_info * __init open_mtd_device(const char *mtd_dev) + return mtd; + } + ++/* ++ * This function tries attaching mtd partitions named either "ubi" or "data" ++ * during boot. ++ */ ++static void __init ubi_auto_attach(void) ++{ ++ int err; ++ struct mtd_info *mtd; ++ /* try attaching mtd device named "ubi" or "data" */ ++ mtd = open_mtd_device("ubi"); ++ if (IS_ERR(mtd)) ++ mtd = open_mtd_device("data"); ++ ++ if (!IS_ERR(mtd)) { ++ /* auto-add only media types where UBI makes sense */ ++ if (mtd->type == MTD_NANDFLASH || ++ mtd->type == MTD_DATAFLASH || ++ mtd->type == MTD_MLCNANDFLASH) { ++ mutex_lock(&ubi_devices_mutex); ++ ubi_msg("auto-attach mtd%d", mtd->index); ++ err = ubi_attach_mtd_dev(mtd, UBI_DEV_NUM_AUTO, 0, 0); ++ mutex_unlock(&ubi_devices_mutex); ++ if (err < 0) { ++ ubi_err("cannot attach mtd%d", mtd->index); ++ put_mtd_device(mtd); ++ } ++ } ++ } ++} ++ + static int __init ubi_init(void) + { + int err, i, k; +@@ -1298,6 +1328,12 @@ static int __init ubi_init(void) + } + } + ++ /* auto-attach mtd devices only if built-in to the kernel and no ubi.mtd ++ * parameter was given */ ++ if (config_enabled(CONFIG_MTD_ROOTFS_ROOT_DEV) && ++ !ubi_is_module() && !mtd_devs) ++ ubi_auto_attach(); ++ + err = ubiblock_init(); + if (err) { + ubi_err("block: cannot initialize, error %d", err); +-- +1.9.2 + diff --git a/target/linux/generic/patches-3.14/491-ubi-auto-create-ubiblock-device-for-rootfs.patch b/target/linux/generic/patches-3.14/491-ubi-auto-create-ubiblock-device-for-rootfs.patch new file mode 100644 index 0000000..e1992c9 --- /dev/null +++ b/target/linux/generic/patches-3.14/491-ubi-auto-create-ubiblock-device-for-rootfs.patch @@ -0,0 +1,74 @@ +From 0f3966579815f889bb2fcb4846152c35f65e79c4 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Thu, 15 May 2014 21:06:33 +0200 +Subject: [PATCH 2/5] ubi: auto-create ubiblock device for rootfs +To: openwrt-devel@lists.openwrt.org + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + drivers/mtd/ubi/block.c | 42 ++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 42 insertions(+) + +diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c +index 8d659e6..2dbe2f4 100644 +--- a/drivers/mtd/ubi/block.c ++++ b/drivers/mtd/ubi/block.c +@@ -593,6 +593,44 @@ static int __init ubiblock_create_from_param(void) + return ret; + } + ++#define UBIFS_NODE_MAGIC 0x06101831 ++static inline int ubi_vol_is_ubifs(struct ubi_volume_desc *desc) ++{ ++ int ret; ++ uint32_t magic_of, magic; ++ ret = ubi_read(desc, 0, (char *)&magic_of, 0, 4); ++ if (ret) ++ return 0; ++ magic = le32_to_cpu(magic_of); ++ return magic == UBIFS_NODE_MAGIC; ++} ++ ++static void __init ubiblock_create_auto_rootfs(void) ++{ ++ int ubi_num, ret, is_ubifs; ++ struct ubi_volume_desc *desc; ++ struct ubi_volume_info vi; ++ ++ for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++) { ++ desc = ubi_open_volume_nm(ubi_num, "rootfs", UBI_READONLY); ++ if (IS_ERR(desc)) ++ continue; ++ ++ ubi_get_volume_info(desc, &vi); ++ is_ubifs = ubi_vol_is_ubifs(desc); ++ ubi_close_volume(desc); ++ if (is_ubifs) ++ break; ++ ++ ret = ubiblock_create(&vi); ++ if (ret) ++ ubi_err("block: can't add '%s' volume, err=%d\n", ++ vi.name, ret); ++ /* always break if we get here */ ++ break; ++ } ++} ++ + static void ubiblock_remove_all(void) + { + struct ubiblock *next; +@@ -623,6 +661,10 @@ int __init ubiblock_init(void) + if (ret) + goto err_remove; + ++ /* auto-attach "rootfs" volume if existing and non-ubifs */ ++ if (config_enabled(CONFIG_MTD_ROOTFS_ROOT_DEV)) ++ ubiblock_create_auto_rootfs(); ++ + /* + * Block devices are only created upon user requests, so we ignore + * existing volumes. +-- +1.9.2 + diff --git a/target/linux/generic/patches-3.14/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch b/target/linux/generic/patches-3.14/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch new file mode 100644 index 0000000..75a0bc0 --- /dev/null +++ b/target/linux/generic/patches-3.14/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch @@ -0,0 +1,58 @@ +From eea9e1785e4c05c2a3444506aabafa0ae958538f Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Sat, 17 May 2014 03:35:02 +0200 +Subject: [PATCH 4/5] try auto-mounting ubi0:rootfs in init/do_mounts.c +To: openwrt-devel@lists.openwrt.org + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + init/do_mounts.c | 26 +++++++++++++++++++++++++- + 1 file changed, 25 insertions(+), 1 deletion(-) + +diff --git a/init/do_mounts.c b/init/do_mounts.c +index 82f2288..faba9c6 100644 +--- a/init/do_mounts.c ++++ b/init/do_mounts.c +@@ -432,7 +432,27 @@ retry: + out: + put_page(page); + } +- ++ ++static int __init mount_ubi_rootfs(void) ++{ ++ int flags = MS_SILENT; ++ int err, tried = 0; ++ ++ while (tried < 2) { ++ err = do_mount_root("ubi0:rootfs", "ubifs", flags, \ ++ root_mount_data); ++ switch (err) { ++ case -EACCES: ++ flags |= MS_RDONLY; ++ tried++; ++ default: ++ return err; ++ } ++ } ++ ++ return -EINVAL; ++} ++ + #ifdef CONFIG_ROOT_NFS + + #define NFSROOT_TIMEOUT_MIN 5 +@@ -526,6 +546,10 @@ void __init mount_root(void) + change_floppy("root floppy"); + } + #endif ++#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV ++ if (!mount_ubi_rootfs()) ++ return; ++#endif + #ifdef CONFIG_BLOCK + create_dev("/dev/root", ROOT_DEV); + mount_block_root("/dev/root", root_mountflags); +-- +1.9.2 + diff --git a/target/linux/generic/patches-3.14/493-ubi-set-ROOT_DEV-to-ubiblock-rootfs-if-unset.patch b/target/linux/generic/patches-3.14/493-ubi-set-ROOT_DEV-to-ubiblock-rootfs-if-unset.patch new file mode 100644 index 0000000..4ceedf3 --- /dev/null +++ b/target/linux/generic/patches-3.14/493-ubi-set-ROOT_DEV-to-ubiblock-rootfs-if-unset.patch @@ -0,0 +1,42 @@ +From cd68d1b12b5ea4c01a664c064179ada42bf55d3d Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Thu, 15 May 2014 20:55:42 +0200 +Subject: [PATCH 5/5] ubi: set ROOT_DEV to ubiblock "rootfs" if unset +To: openwrt-devel@lists.openwrt.org + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + drivers/mtd/ubi/block.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c +index 2dbe2f4..eaa29f8 100644 +--- a/drivers/mtd/ubi/block.c ++++ b/drivers/mtd/ubi/block.c +@@ -48,6 +48,7 @@ + #include <linux/blkdev.h> + #include <linux/hdreg.h> + #include <asm/div64.h> ++#include <linux/root_dev.h> + + #include "ubi-media.h" + #include "ubi.h" +@@ -444,6 +445,15 @@ int ubiblock_create(struct ubi_volume_info *vi) + add_disk(dev->gd); + ubi_msg("%s created from ubi%d:%d(%s)", + dev->gd->disk_name, dev->ubi_num, dev->vol_id, vi->name); ++ ++ if (!strcmp(vi->name, "rootfs") && ++ config_enabled(CONFIG_MTD_ROOTFS_ROOT_DEV) && ++ ROOT_DEV == 0) { ++ pr_notice("ubiblock: device ubiblock%d_%d (%s) set to be root filesystem\n", ++ dev->ubi_num, dev->vol_id, vi->name); ++ ROOT_DEV = MKDEV(gd->major, gd->first_minor); ++ } ++ + return 0; + + out_free_queue: +-- +1.9.2 + diff --git a/target/linux/generic/patches-3.14/552-ubifs-respect-silent-mount-flag.patch b/target/linux/generic/patches-3.14/552-ubifs-respect-silent-mount-flag.patch new file mode 100644 index 0000000..ab89b98 --- /dev/null +++ b/target/linux/generic/patches-3.14/552-ubifs-respect-silent-mount-flag.patch @@ -0,0 +1,176 @@ +From 248b89b95d27659c5360ef5b68cca21d096ee909 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Sat, 17 May 2014 03:16:54 +0200 +Subject: [PATCH 3/5] ubifs: respect MS_SILENT mount flag +To: dedekind1@gmail.com, + linux-mtd@lists.infradead.org + +When attempting to mount a non-ubifs formatted volume, lots of error +messages (including a stack dump) are thrown to the kernel log even if +the MS_SILENT mount flag is set. +Fix this by checking the MS_SILENT flag in ubifs_read_sb_node and +passing it down to ubifs_read_node, which now got an additional +parameter for that purpose. + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + fs/ubifs/commit.c | 4 ++-- + fs/ubifs/io.c | 23 ++++++++++++++--------- + fs/ubifs/sb.c | 5 +++-- + fs/ubifs/tnc_misc.c | 4 ++-- + fs/ubifs/ubifs.h | 2 +- + 5 files changed, 22 insertions(+), 16 deletions(-) + +diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c +index ff82293..865d13f 100644 +--- a/fs/ubifs/commit.c ++++ b/fs/ubifs/commit.c +@@ -542,7 +542,7 @@ int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot) + if (!idx) + return -ENOMEM; + +- err = ubifs_read_node(c, idx, UBIFS_IDX_NODE, len, lnum, offs); ++ err = ubifs_read_node(c, idx, UBIFS_IDX_NODE, len, lnum, offs, 0); + if (err) + goto out; + +@@ -610,7 +610,7 @@ int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot) + list_add_tail(&i->list, &list); + /* Read the index node */ + idx = &i->idx; +- err = ubifs_read_node(c, idx, UBIFS_IDX_NODE, len, lnum, offs); ++ err = ubifs_read_node(c, idx, UBIFS_IDX_NODE, len, lnum, offs, 0); + if (err) + goto out_free; + /* Validate index node */ +diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c +index e18b988..51c4072 100644 +--- a/fs/ubifs/io.c ++++ b/fs/ubifs/io.c +@@ -912,7 +912,7 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len, + if (!overlap) { + /* We may safely unlock the write-buffer and read the data */ + spin_unlock(&wbuf->lock); +- return ubifs_read_node(c, buf, type, len, lnum, offs); ++ return ubifs_read_node(c, buf, type, len, lnum, offs, 0); + } + + /* Don't read under wbuf */ +@@ -966,13 +966,14 @@ out: + * @len: node length (not aligned) + * @lnum: logical eraseblock number + * @offs: offset within the logical eraseblock ++ * @silent: suppress error messages + * + * This function reads a node of known type and and length, checks it and + * stores in @buf. Returns zero in case of success, %-EUCLEAN if CRC mismatched + * and a negative error code in case of failure. + */ + int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len, +- int lnum, int offs) ++ int lnum, int offs, int silent) + { + int err, l; + struct ubifs_ch *ch = buf; +@@ -988,30 +989,34 @@ int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len, + return err; + + if (type != ch->node_type) { +- ubifs_err("bad node type (%d but expected %d)", ++ if (!silent) ubifs_err("bad node type (%d but expected %d)", + ch->node_type, type); + goto out; + } + + err = ubifs_check_node(c, buf, lnum, offs, 0, 0); + if (err) { +- ubifs_err("expected node type %d", type); ++ if (!silent) ++ ubifs_err("expected node type %d", type); + return err; + } + + l = le32_to_cpu(ch->len); + if (l != len) { +- ubifs_err("bad node length %d, expected %d", l, len); ++ if (!silent) ++ ubifs_err("bad node length %d, expected %d", l, len); + goto out; + } + + return 0; + + out: +- ubifs_err("bad node at LEB %d:%d, LEB mapping status %d", lnum, offs, +- ubi_is_mapped(c->ubi, lnum)); +- ubifs_dump_node(c, buf); +- dump_stack(); ++ if (!silent) { ++ ubifs_err("bad node at LEB %d:%d, LEB mapping status %d", lnum, ++ offs, ubi_is_mapped(c->ubi, lnum)); ++ ubifs_dump_node(c, buf); ++ dump_stack(); ++ } + return -EINVAL; + } + +diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c +index 4c37607..b46847d 100644 +--- a/fs/ubifs/sb.c ++++ b/fs/ubifs/sb.c +@@ -482,14 +482,15 @@ failed: + struct ubifs_sb_node *ubifs_read_sb_node(struct ubifs_info *c) + { + struct ubifs_sb_node *sup; +- int err; ++ int silent, err; + + sup = kmalloc(ALIGN(UBIFS_SB_NODE_SZ, c->min_io_size), GFP_NOFS); + if (!sup) + return ERR_PTR(-ENOMEM); + ++ silent = !!(c->vfs_sb->s_flags & MS_SILENT); + err = ubifs_read_node(c, sup, UBIFS_SB_NODE, UBIFS_SB_NODE_SZ, +- UBIFS_SB_LNUM, 0); ++ UBIFS_SB_LNUM, 0, silent); + if (err) { + kfree(sup); + return ERR_PTR(err); +diff --git a/fs/ubifs/tnc_misc.c b/fs/ubifs/tnc_misc.c +index f6bf899..e128689 100644 +--- a/fs/ubifs/tnc_misc.c ++++ b/fs/ubifs/tnc_misc.c +@@ -280,7 +280,7 @@ static int read_znode(struct ubifs_info *c, int lnum, int offs, int len, + if (!idx) + return -ENOMEM; + +- err = ubifs_read_node(c, idx, UBIFS_IDX_NODE, len, lnum, offs); ++ err = ubifs_read_node(c, idx, UBIFS_IDX_NODE, len, lnum, offs, 0); + if (err < 0) { + kfree(idx); + return err; +@@ -472,7 +472,7 @@ int ubifs_tnc_read_node(struct ubifs_info *c, struct ubifs_zbranch *zbr, + zbr->lnum, zbr->offs); + else + err = ubifs_read_node(c, node, type, zbr->len, zbr->lnum, +- zbr->offs); ++ zbr->offs, 0); + + if (err) { + dbg_tnck(key, "key "); +diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h +index e8c8cfe..85fdd11 100644 +--- a/fs/ubifs/ubifs.h ++++ b/fs/ubifs/ubifs.h +@@ -1481,7 +1481,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len); + int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs); + int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf); + int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len, +- int lnum, int offs); ++ int lnum, int offs, int silent); + int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len, + int lnum, int offs); + int ubifs_write_node(struct ubifs_info *c, void *node, int len, int lnum, +-- +1.9.2 + |