543f21c3be
relevant to the current BLS integration and cause issues in older KIWI versions, which actively force it to be enabled by default (bsc#1233196) * 0002-Add-BLS-support-to-grub-mkconfig.patch * 0003-Add-grub2-switch-to-blscfg.patch * 0007-grub-switch-to-blscfg-adapt-to-openSUSE.patch * 0008-blscfg-reading-bls-fragments-if-boot-present.patch * 0009-10_linux-Some-refinement-for-BLS.patch * 0001-10_linux-Do-not-enable-BLSCFG-on-s390-emu.patch OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=523
45 lines
1.2 KiB
Diff
45 lines
1.2 KiB
Diff
--- a/grub-core/fs/btrfs.c
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+++ b/grub-core/fs/btrfs.c
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@@ -1340,10 +1340,40 @@
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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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