79b1983d8c
- Fix grub2-editenv error on encrypted lvm installation (bsc#981621) * modified grub2-btrfs-workaround-grub2-once.patch - Add missing closing bracket in 'grub2-snapper-plugin.sh'. - Fix snapshot booting on s390x (bsc#955115) * modified grub2-snapper-plugin.sh - Fallback to old subvol name scheme to support old snapshot config (bsc#953538) * added grub2-btrfs-07-subvol-fallback.patch OBS-URL: https://build.opensuse.org/request/show/403817 OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=221
47 lines
1.4 KiB
Diff
47 lines
1.4 KiB
Diff
Index: grub-2.02~beta3/grub-core/fs/btrfs.c
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===================================================================
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--- grub-2.02~beta3.orig/grub-core/fs/btrfs.c
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+++ grub-2.02~beta3/grub-core/fs/btrfs.c
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@@ -925,10 +925,40 @@ lookup_root_by_name(struct grub_btrfs_da
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}
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static grub_err_t
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+lookup_root_by_name_fallback(struct grub_btrfs_data *data, const char *path)
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+{
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+ grub_err_t err;
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+ grub_uint64_t tree = 0;
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+ grub_uint8_t type;
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+ struct grub_btrfs_key key;
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+
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+ err = find_path (data, path, &key, &tree, &type);
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+ if (err)
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+ return grub_error(GRUB_ERR_FILE_NOT_FOUND, "couldn't locate %s\n", path);
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+
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+ if (key.object_id != grub_cpu_to_le64_compile_time (GRUB_BTRFS_OBJECT_ID_CHUNK) || tree == 0)
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+ return grub_error(GRUB_ERR_BAD_FILE_TYPE, "%s: not a subvolume\n", path);
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+
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+ data->fs_tree = tree;
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+ return GRUB_ERR_NONE;
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+}
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+
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+static grub_err_t
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btrfs_handle_subvol(struct grub_btrfs_data *data __attribute__ ((unused)))
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{
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if (btrfs_default_subvol)
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- return lookup_root_by_name(data, btrfs_default_subvol);
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+ {
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+ grub_err_t err;
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+ err = lookup_root_by_name(data, btrfs_default_subvol);
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+
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+ /* Fallback to old schemes */
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+ if (err == GRUB_ERR_FILE_NOT_FOUND)
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+ {
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+ err = GRUB_ERR_NONE;
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+ return lookup_root_by_name_fallback(data, btrfs_default_subvol);
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+ }
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+ return err;
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+ }
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if (btrfs_default_subvolid)
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return lookup_root_by_id(data, btrfs_default_subvolid);
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