diff options
Diffstat (limited to 'target/linux/generic/patches-3.18')
5 files changed, 1 insertions, 398 deletions
diff --git a/target/linux/generic/patches-3.18/500-yaffs-Kbuild-integration.patch b/target/linux/generic/patches-3.18/500-yaffs-Kbuild-integration.patch deleted file mode 100644 index de6643a41e..0000000000 --- a/target/linux/generic/patches-3.18/500-yaffs-Kbuild-integration.patch +++ /dev/null @@ -1,18 +0,0 @@ ---- a/fs/Kconfig -+++ b/fs/Kconfig -@@ -39,6 +39,7 @@ source "fs/gfs2/Kconfig" - source "fs/ocfs2/Kconfig" - source "fs/btrfs/Kconfig" - source "fs/nilfs2/Kconfig" -+source "fs/yaffs2/Kconfig" - - endif # BLOCK - ---- a/fs/Makefile -+++ b/fs/Makefile -@@ -126,3 +126,5 @@ obj-y += exofs/ # Multiple modules - obj-$(CONFIG_CEPH_FS) += ceph/ - obj-$(CONFIG_PSTORE) += pstore/ - obj-$(CONFIG_EFIVAR_FS) += efivarfs/ -+obj-$(CONFIG_YAFFS_FS) += yaffs2/ -+ diff --git a/target/linux/generic/patches-3.18/502-yaffs-fix-compat-tags-handling.patch b/target/linux/generic/patches-3.18/502-yaffs-fix-compat-tags-handling.patch deleted file mode 100644 index a18cf6fd7b..0000000000 --- a/target/linux/generic/patches-3.18/502-yaffs-fix-compat-tags-handling.patch +++ /dev/null @@ -1,239 +0,0 @@ -Subject: yaffs: fix compat tags handling - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- ---- a/fs/yaffs2/yaffs_tagscompat.c -+++ b/fs/yaffs2/yaffs_tagscompat.c -@@ -17,7 +17,9 @@ - #include "yaffs_getblockinfo.h" - #include "yaffs_trace.h" - -+#if 0 - static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk); -+#endif - - - /********** Tags ECC calculations *********/ -@@ -71,6 +73,7 @@ int yaffs_check_tags_ecc(struct yaffs_ta - return 0; - } - -+#if 0 - /********** Tags **********/ - - static void yaffs_load_tags_to_spare(struct yaffs_spare *spare_ptr, -@@ -379,3 +382,214 @@ void yaffs_tags_compat_install(struct ya - if(!dev->tagger.mark_bad_fn) - dev->tagger.mark_bad_fn = yaffs_tags_compat_mark_bad; - } -+#else -+ -+#include "yaffs_packedtags1.h" -+ -+static int yaffs_tags_compat_write(struct yaffs_dev *dev, -+ int nand_chunk, -+ const u8 *data, -+ const struct yaffs_ext_tags *tags) -+{ -+ struct yaffs_packed_tags1 pt1; -+ u8 tag_buf[9]; -+ int retval; -+ -+ /* we assume that yaffs_packed_tags1 and yaffs_tags are compatible */ -+ compile_time_assertion(sizeof(struct yaffs_packed_tags1) == 12); -+ compile_time_assertion(sizeof(struct yaffs_tags) == 8); -+ -+ yaffs_pack_tags1(&pt1, tags); -+ yaffs_calc_tags_ecc((struct yaffs_tags *)&pt1); -+ -+ /* When deleting a chunk, the upper layer provides only skeletal -+ * tags, one with is_deleted set. However, we need to update the -+ * tags, not erase them completely. So we use the NAND write property -+ * that only zeroed-bits stick and set tag bytes to all-ones and -+ * zero just the (not) deleted bit. -+ */ -+ if (!dev->param.tags_9bytes) { -+ if (tags->is_deleted) { -+ memset(&pt1, 0xff, 8); -+ /* clear delete status bit to indicate deleted */ -+ pt1.deleted = 0; -+ } -+ memcpy(tag_buf, &pt1, 8); -+ } else { -+ if (tags->is_deleted) { -+ memset(tag_buf, 0xff, 8); -+ tag_buf[8] = 0; -+ } else { -+ memcpy(tag_buf, &pt1, 8); -+ tag_buf[8] = 0xff; -+ } -+ } -+ -+ retval = dev->drv.drv_write_chunk_fn(dev, nand_chunk, -+ data, -+ (data) ? dev->data_bytes_per_chunk : 0, -+ tag_buf, -+ (dev->param.tags_9bytes) ? 9 : 8); -+ -+ return retval; -+} -+ -+/* Return with empty extended tags but add ecc_result. -+ */ -+static int return_empty_tags(struct yaffs_ext_tags *tags, -+ enum yaffs_ecc_result ecc_result, -+ int retval) -+{ -+ if (tags) { -+ memset(tags, 0, sizeof(*tags)); -+ tags->ecc_result = ecc_result; -+ } -+ -+ return retval; -+} -+ -+static int yaffs_tags_compat_read(struct yaffs_dev *dev, -+ int nand_chunk, -+ u8 *data, -+ struct yaffs_ext_tags *tags) -+{ -+ struct yaffs_packed_tags1 pt1; -+ enum yaffs_ecc_result ecc_result; -+ int retval; -+ int deleted; -+ u8 tag_buf[9]; -+ -+ retval = dev->drv.drv_read_chunk_fn(dev, nand_chunk, -+ data, dev->param.total_bytes_per_chunk, -+ tag_buf, -+ (dev->param.tags_9bytes) ? 9 : 8, -+ &ecc_result); -+ -+ switch (ecc_result) { -+ case YAFFS_ECC_RESULT_NO_ERROR: -+ case YAFFS_ECC_RESULT_FIXED: -+ break; -+ -+ case YAFFS_ECC_RESULT_UNFIXED: -+ default: -+ return_empty_tags(tags, YAFFS_ECC_RESULT_UNFIXED, 0); -+ tags->block_bad = dev->drv.drv_check_bad_fn(dev, nand_chunk); -+ return YAFFS_FAIL; -+ } -+ -+ /* Check for a blank/erased chunk. */ -+ if (yaffs_check_ff(tag_buf, 8)) { -+ /* when blank, upper layers want ecc_result to be <= NO_ERROR */ -+ return return_empty_tags(tags, YAFFS_ECC_RESULT_NO_ERROR, -+ YAFFS_OK); -+ } -+ -+ memcpy(&pt1, tag_buf, 8); -+ -+ if (!dev->param.tags_9bytes) { -+ /* Read deleted status (bit) then return it to it's non-deleted -+ * state before performing tags mini-ECC check. pt1.deleted is -+ * inverted. -+ */ -+ deleted = !pt1.deleted; -+ pt1.deleted = 1; -+ } else { -+ deleted = (hweight8(tag_buf[8]) < 7) ? 1 : 0; -+ } -+ -+ /* Check the packed tags mini-ECC and correct if necessary/possible. */ -+ retval = yaffs_check_tags_ecc((struct yaffs_tags *)&pt1); -+ switch (retval) { -+ case 0: -+ /* no tags error, use MTD result */ -+ break; -+ case 1: -+ /* recovered tags-ECC error */ -+ dev->n_tags_ecc_fixed++; -+ if (ecc_result == YAFFS_ECC_RESULT_NO_ERROR) -+ ecc_result = YAFFS_ECC_RESULT_FIXED; -+ break; -+ default: -+ /* unrecovered tags-ECC error */ -+ dev->n_tags_ecc_unfixed++; -+ return return_empty_tags(tags, YAFFS_ECC_RESULT_UNFIXED, -+ YAFFS_FAIL); -+ } -+ -+ /* Unpack the tags to extended form and set ECC result. -+ * [set should_be_ff just to keep yaffs_unpack_tags1 happy] -+ */ -+ pt1.should_be_ff = 0xffffffff; -+ yaffs_unpack_tags1(tags, &pt1); -+ tags->ecc_result = ecc_result; -+ -+ /* Set deleted state */ -+ tags->is_deleted = deleted; -+ return YAFFS_OK; -+} -+ -+static int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int block_no) -+{ -+ return dev->drv.drv_mark_bad_fn(dev, block_no); -+} -+ -+static int yaffs_tags_compat_query_block(struct yaffs_dev *dev, -+ int block_no, -+ enum yaffs_block_state *state, -+ u32 *seq_number) -+{ -+ struct yaffs_ext_tags tags; -+ int retval; -+ -+ yaffs_trace(YAFFS_TRACE_MTD, "%s %d", __func__, block_no); -+ -+ *seq_number = 0; -+ -+ retval = dev->drv.drv_check_bad_fn(dev, block_no); -+ if (retval == YAFFS_FAIL) { -+ *state = YAFFS_BLOCK_STATE_DEAD; -+ goto out; -+ } -+ -+ yaffs_tags_compat_read(dev, block_no * dev->param.chunks_per_block, -+ NULL, &tags); -+ -+ if (tags.ecc_result != YAFFS_ECC_RESULT_NO_ERROR) { -+ yaffs_trace(YAFFS_TRACE_MTD, "block %d is marked bad", -+ block_no); -+ *state = YAFFS_BLOCK_STATE_NEEDS_SCAN; -+ } else if (tags.chunk_used) { -+ *seq_number = tags.seq_number; -+ *state = YAFFS_BLOCK_STATE_NEEDS_SCAN; -+ } else { -+ *state = YAFFS_BLOCK_STATE_EMPTY; -+ } -+ -+ retval = YAFFS_OK; -+ -+out: -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "block query returns seq %u state %d", -+ *seq_number, *state); -+ -+ return retval; -+} -+ -+void yaffs_tags_compat_install(struct yaffs_dev *dev) -+{ -+ if (dev->param.is_yaffs2) -+ return; -+ -+ if (!dev->tagger.write_chunk_tags_fn) -+ dev->tagger.write_chunk_tags_fn = yaffs_tags_compat_write; -+ -+ if (!dev->tagger.read_chunk_tags_fn) -+ dev->tagger.read_chunk_tags_fn = yaffs_tags_compat_read; -+ -+ if (!dev->tagger.query_block_fn) -+ dev->tagger.query_block_fn = yaffs_tags_compat_query_block; -+ -+ if (!dev->tagger.mark_bad_fn) -+ dev->tagger.mark_bad_fn = yaffs_tags_compat_mark_bad; -+} -+#endif diff --git a/target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch b/target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch deleted file mode 100644 index 3f51bafc11..0000000000 --- a/target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch +++ /dev/null @@ -1,115 +0,0 @@ -Subject: yaffs: add support for tags-9bytes mount option - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- ---- a/fs/yaffs2/yaffs_vfs.c -+++ b/fs/yaffs2/yaffs_vfs.c -@@ -2644,6 +2644,7 @@ static const struct super_operations yaf - - struct yaffs_options { - int inband_tags; -+ int tags_9bytes; - int skip_checkpoint_read; - int skip_checkpoint_write; - int no_cache; -@@ -2683,6 +2684,8 @@ static int yaffs_parse_options(struct ya - - if (!strcmp(cur_opt, "inband-tags")) { - options->inband_tags = 1; -+ } else if (!strcmp(cur_opt, "tags-9bytes")) { -+ options->tags_9bytes = 1; - } else if (!strcmp(cur_opt, "tags-ecc-off")) { - options->tags_ecc_on = 0; - options->tags_ecc_overridden = 1; -@@ -2756,7 +2759,6 @@ static struct super_block *yaffs_interna - struct yaffs_param *param; - - int read_only = 0; -- int inband_tags = 0; - - struct yaffs_options options; - -@@ -2796,6 +2798,9 @@ static struct super_block *yaffs_interna - - memset(&options, 0, sizeof(options)); - -+ if (IS_ENABLED(CONFIG_YAFFS_9BYTE_TAGS)) -+ options.tags_9bytes = 1; -+ - if (yaffs_parse_options(&options, data_str)) { - /* Option parsing failed */ - return NULL; -@@ -2829,17 +2834,22 @@ static struct super_block *yaffs_interna - } - - /* Added NCB 26/5/2006 for completeness */ -- if (yaffs_version == 2 && !options.inband_tags -- && WRITE_SIZE(mtd) == 512) { -+ if (yaffs_version == 2 && -+ (!options.inband_tags || options.tags_9bytes) && -+ WRITE_SIZE(mtd) == 512) { - yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs1"); - yaffs_version = 1; - } - -- if (mtd->oobavail < sizeof(struct yaffs_packed_tags2) || -- options.inband_tags) -- inband_tags = 1; -+ if (yaffs_version == 2 && -+ mtd->oobavail < sizeof(struct yaffs_packed_tags2)) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting inband tags"); -+ options.inband_tags = 1; -+ } - -- if(yaffs_verify_mtd(mtd, yaffs_version, inband_tags) < 0) -+ err = yaffs_verify_mtd(mtd, yaffs_version, options.inband_tags, -+ options.tags_9bytes); -+ if (err < 0) - return NULL; - - /* OK, so if we got here, we have an MTD that's NAND and looks -@@ -2896,7 +2906,8 @@ static struct super_block *yaffs_interna - - param->n_reserved_blocks = 5; - param->n_caches = (options.no_cache) ? 0 : 10; -- param->inband_tags = inband_tags; -+ param->inband_tags = options.inband_tags; -+ param->tags_9bytes = options.tags_9bytes; - - param->enable_xattr = 1; - if (options.lazy_loading_overridden) ---- a/fs/yaffs2/yaffs_mtdif.c -+++ b/fs/yaffs2/yaffs_mtdif.c -@@ -278,7 +278,8 @@ struct mtd_info * yaffs_get_mtd_device(d - return mtd; - } - --int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags) -+int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags, -+ int tags_9bytes) - { - if (yaffs_version == 2) { - if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE || -@@ -297,6 +298,12 @@ int yaffs_verify_mtd(struct mtd_info *mt - ); - return -1; - } -+ -+ if (tags_9bytes && mtd->oobavail < 9) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "MTD device does not support 9-byte tags"); -+ return -1; -+ } - } - - return 0; ---- a/fs/yaffs2/yaffs_mtdif.h -+++ b/fs/yaffs2/yaffs_mtdif.h -@@ -21,5 +21,6 @@ - void yaffs_mtd_drv_install(struct yaffs_dev *dev); - struct mtd_info * yaffs_get_mtd_device(dev_t sdev); - void yaffs_put_mtd_device(struct mtd_info *mtd); --int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags); -+int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags, -+ int tags_9bytes); - #endif diff --git a/target/linux/generic/patches-3.18/504-yaffs-3.16-new-fops.patch b/target/linux/generic/patches-3.18/504-yaffs-3.16-new-fops.patch deleted file mode 100644 index 11c6da0516..0000000000 --- a/target/linux/generic/patches-3.18/504-yaffs-3.16-new-fops.patch +++ /dev/null @@ -1,25 +0,0 @@ ---- a/fs/yaffs2/yaffs_vfs.c -+++ b/fs/yaffs2/yaffs_vfs.c -@@ -774,7 +774,21 @@ static int yaffs_sync_object(struct file - } - - --#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) -+static const struct file_operations yaffs_file_operations = { -+ .read = new_sync_read, -+ .read_iter = generic_file_read_iter, -+ .write = new_sync_write, -+ .write_iter = generic_file_write_iter, -+ .mmap = generic_file_mmap, -+ .flush = yaffs_file_flush, -+ .fsync = yaffs_sync_object, -+ .splice_read = generic_file_splice_read, -+ .splice_write = iter_file_splice_write, -+ .llseek = generic_file_llseek, -+}; -+ -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) - static const struct file_operations yaffs_file_operations = { - .read = do_sync_read, - .write = do_sync_write, diff --git a/target/linux/generic/patches-3.18/903-debloat_direct_io.patch b/target/linux/generic/patches-3.18/903-debloat_direct_io.patch index dbb08ca4e7..166bb5ab64 100644 --- a/target/linux/generic/patches-3.18/903-debloat_direct_io.patch +++ b/target/linux/generic/patches-3.18/903-debloat_direct_io.patch @@ -1,6 +1,6 @@ --- a/fs/Kconfig +++ b/fs/Kconfig -@@ -62,6 +62,11 @@ config FILE_LOCKING +@@ -61,6 +61,11 @@ config FILE_LOCKING for filesystems like NFS and for the flock() system call. Disabling this option saves about 11k. |