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authorPaolo Bonzini <pbonzini@redhat.com>2025-09-30 13:23:44 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2025-09-30 13:23:44 -0400
commit6a137497178720da8f454c81d2e9fcebc3137b51 (patch)
tree3ec241ebc92d382cab04d18fcd0fbbd4e0b52ef0 /fs/btrfs/ref-verify.c
parent924ccf1d093a0c688eba9da1adff9a290d7bd7d8 (diff)
parent66e2d96b1c5875122bfb94239989d832ccf51477 (diff)
Merge tag 'loongarch-kvm-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.18 1. Add PTW feature detection on new hardware. 2. Add sign extension with kernel MMIO/IOCSR emulation. 3. Improve in-kernel IPI emulation. 4. Improve in-kernel PCH-PIC emulation. 5. Move kvm_iocsr tracepoint out of generic code.
Diffstat (limited to 'fs/btrfs/ref-verify.c')
-rw-r--r--fs/btrfs/ref-verify.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index 3871c3a6c743..9f1858b42c0e 100644
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -980,11 +980,18 @@ int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info)
if (!btrfs_test_opt(fs_info, REF_VERIFY))
return 0;
+ extent_root = btrfs_extent_root(fs_info, 0);
+ /* If the extent tree is damaged we cannot ignore it (IGNOREBADROOTS). */
+ if (IS_ERR(extent_root)) {
+ btrfs_warn(fs_info, "ref-verify: extent tree not available, disabling");
+ btrfs_clear_opt(fs_info->mount_opt, REF_VERIFY);
+ return 0;
+ }
+
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
- extent_root = btrfs_extent_root(fs_info, 0);
eb = btrfs_read_lock_root_node(extent_root);
level = btrfs_header_level(eb);
path->nodes[level] = eb;