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authorMark Harmstone <mark@harmstone.com>2026-02-17 10:21:44 +0000
committerDavid Sterba <dsterba@suse.com>2026-02-26 15:03:28 +0100
commit511dc8912ae3e929c1a182f5e6b2326516fd42a0 (patch)
tree5a16a5433a2f6ba3937e6ffa04e8d47a5ec50400
parent3cf0f35779d364cf2003c617bb7f3f3e41023372 (diff)
btrfs: fix incorrect key offset in error message in check_dev_extent_item()
Fix the error message in check_dev_extent_item(), when an overlapping stripe is encountered. For dev extents, objectid is the disk number and offset the physical address, so prev_key->objectid should actually be prev_key->offset. (I can't take any credit for this one - this was discovered by Chris and his friend Claude.) Reported-by: Chris Mason <clm@fb.com> Fixes: 008e2512dc56 ("btrfs: tree-checker: add dev extent item checks") Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Mark Harmstone <mark@harmstone.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/tree-checker.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index 452394b34d01..9774779f060b 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -1921,7 +1921,7 @@ static int check_dev_extent_item(const struct extent_buffer *leaf,
if (unlikely(prev_key->offset + prev_len > key->offset)) {
generic_err(leaf, slot,
"dev extent overlap, prev offset %llu len %llu current offset %llu",
- prev_key->objectid, prev_len, key->offset);
+ prev_key->offset, prev_len, key->offset);
return -EUCLEAN;
}
}