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Diffstat (limited to 'fs/bcachefs/data_update.c')
-rw-r--r--fs/bcachefs/data_update.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c
index 4150feca42a2e6..34731ee0217f62 100644
--- a/fs/bcachefs/data_update.c
+++ b/fs/bcachefs/data_update.c
@@ -14,6 +14,7 @@
#include "move.h"
#include "nocow_locking.h"
#include "rebalance.h"
+#include "snapshot.h"
#include "subvolume.h"
#include "trace.h"
@@ -509,6 +510,14 @@ int bch2_data_update_init(struct btree_trans *trans,
unsigned ptrs_locked = 0;
int ret = 0;
+ /*
+ * fs is corrupt we have a key for a snapshot node that doesn't exist,
+ * and we have to check for this because we go rw before repairing the
+ * snapshots table - just skip it, we can move it later.
+ */
+ if (unlikely(k.k->p.snapshot && !bch2_snapshot_equiv(c, k.k->p.snapshot)))
+ return -BCH_ERR_data_update_done;
+
bch2_bkey_buf_init(&m->k);
bch2_bkey_buf_reassemble(&m->k, c, k);
m->btree_id = btree_id;
@@ -571,8 +580,7 @@ int bch2_data_update_init(struct btree_trans *trans,
move_ctxt_wait_event(ctxt,
(locked = bch2_bucket_nocow_trylock(&c->nocow_locks,
PTR_BUCKET_POS(c, &p.ptr), 0)) ||
- (!atomic_read(&ctxt->read_sectors) &&
- !atomic_read(&ctxt->write_sectors)));
+ list_empty(&ctxt->ios));
if (!locked)
bch2_bucket_nocow_lock(&c->nocow_locks,