diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch b/target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch deleted file mode 100644 index ff9d6b0005..0000000000 --- a/target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 2a2af518266a29323cf30c3f9ba9ef2ceb1dd84b Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Thu, 16 Oct 2014 20:52:16 +0200 -Subject: [PATCH] UBI: Detect EOF mark and erase all remaining blocks -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> ---- - drivers/mtd/ubi/attach.c | 5 +++++ - drivers/mtd/ubi/io.c | 4 ++++ - drivers/mtd/ubi/ubi.h | 1 + - 3 files changed, 10 insertions(+) - ---- a/drivers/mtd/ubi/attach.c -+++ b/drivers/mtd/ubi/attach.c -@@ -82,6 +82,9 @@ static int self_check_ai(struct ubi_devi - #define AV_ADD BIT(1) - #define AV_FIND_OR_ADD (AV_FIND | AV_ADD) - -+/* Set on finding block with 0xdeadc0de, indicates erasing all blocks behind */ -+bool erase_all_next; -+ - /** - * find_or_add_av - internal function to find a volume, add a volume or do - * both (find and add if missing). -@@ -1580,6 +1583,8 @@ int ubi_attach(struct ubi_device *ubi, i - if (!ai) - return -ENOMEM; - -+ erase_all_next = false; -+ - #ifdef CONFIG_MTD_UBI_FASTMAP - /* On small flash devices we disable fastmap in any case. */ - if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) { ---- a/drivers/mtd/ubi/io.c -+++ b/drivers/mtd/ubi/io.c -@@ -710,6 +710,10 @@ int ubi_io_read_ec_hdr(struct ubi_device - } - - magic = be32_to_cpu(ec_hdr->magic); -+ if (magic == 0xdeadc0de) -+ erase_all_next = true; -+ if (erase_all_next) -+ return read_err ? UBI_IO_FF_BITFLIPS : UBI_IO_FF; - if (magic != UBI_EC_HDR_MAGIC) { - if (mtd_is_eccerr(read_err)) - return UBI_IO_BAD_HDR_EBADMSG; ---- a/drivers/mtd/ubi/ubi.h -+++ b/drivers/mtd/ubi/ubi.h -@@ -822,6 +822,7 @@ extern struct mutex ubi_devices_mutex; - extern struct blocking_notifier_head ubi_notifiers; - - /* attach.c */ -+extern bool erase_all_next; - struct ubi_ainf_peb *ubi_alloc_aeb(struct ubi_attach_info *ai, int pnum, - int ec); - void ubi_free_aeb(struct ubi_attach_info *ai, struct ubi_ainf_peb *aeb); |