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bcachefs: Add version check for bch_btree_ptr_v2.sectors_written validate

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A user popped up with a very old (0.11) filesystem that needed repair
and wasn't recently backed up.

Reported-by: Manoa <manoa@mail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2024-10-20 19:02:44 -04:00
parent 27de0ee39f
commit e0c8369bc8
1 changed files with 2 additions and 1 deletions
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3
fs/bcachefs/extents.c
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@@ -203,7 +203,8 @@ int bch2_btree_ptr_v2_validate(struct bch_fs *c, struct bkey_s_c k,
c, btree_ptr_v2_min_key_bad,
"min_key > key");
if (flags & BCH_VALIDATE_write)
if ((flags & BCH_VALIDATE_write) &&
c->sb.version_min >= bcachefs_metadata_version_btree_ptr_sectors_written)
bkey_fsck_err_on(!bp.v->sectors_written,
c, btree_ptr_v2_written_0,
"sectors_written == 0");