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bcachefs: Fix snapshot_key_missing_inode_snapshot repair

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When the inode was a whiteout, we were inserting a new whiteout at the
wrong (old) snapshot.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-06-13 18:27:33 -04:00
parent c1ccd43b35
commit c27e5782d9
1 changed files with 4 additions and 6 deletions
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10
fs/bcachefs/fsck.c
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@ -903,17 +903,15 @@ lookup_inode_for_snapshot(struct btree_trans *trans, struct inode_walker *w, str
w->last_pos.inode, k.k->p.snapshot, i->inode.bi_snapshot,
(bch2_bkey_val_to_text(&buf, c, k),
buf.buf))) {
struct bch_inode_unpacked new = i->inode;
struct bkey_i whiteout;
new.bi_snapshot = k.k->p.snapshot;
if (!i->whiteout) {
struct bch_inode_unpacked new = i->inode;
new.bi_snapshot = k.k->p.snapshot;
ret = __bch2_fsck_write_inode(trans, &new);
} else {
struct bkey_i whiteout;
bkey_init(&whiteout.k);
whiteout.k.type = KEY_TYPE_whiteout;
whiteout.k.p = SPOS(0, i->inode.bi_inum, i->inode.bi_snapshot);
whiteout.k.p = SPOS(0, i->inode.bi_inum, k.k->p.snapshot);
ret = bch2_btree_insert_nonextent(trans, BTREE_ID_inodes,
&whiteout,
BTREE_UPDATE_internal_snapshot_node);