kernel: remove linux 4.3 support
[openwrt.git] / target / linux / generic / patches-4.3 / 503-yaffs-add-tags-9bytes-mount-option.patch
diff --git a/target/linux/generic/patches-4.3/503-yaffs-add-tags-9bytes-mount-option.patch b/target/linux/generic/patches-4.3/503-yaffs-add-tags-9bytes-mount-option.patch
deleted file mode 100644 (file)
index 3f51baf..0000000
+++ /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