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-rw-r--r--libbcachefs/journal_io.c39
1 files changed, 25 insertions, 14 deletions
diff --git a/libbcachefs/journal_io.c b/libbcachefs/journal_io.c
index 01150635..8c86bf06 100644
--- a/libbcachefs/journal_io.c
+++ b/libbcachefs/journal_io.c
@@ -1107,7 +1107,7 @@ int bch2_journal_read(struct bch_fs *c, u64 *blacklist_seq, u64 *start_seq)
struct bch_dev *ca;
unsigned iter;
struct printbuf buf = PRINTBUF;
- bool degraded = false;
+ bool degraded = false, last_write_torn = false;
u64 seq, last_seq = 0;
int ret = 0;
@@ -1143,8 +1143,13 @@ int bch2_journal_read(struct bch_fs *c, u64 *blacklist_seq, u64 *start_seq)
/*
* Find most recent flush entry, and ignore newer non flush entries -
* those entries will be blacklisted:
+ *
+ *
+ * XXX check for torn write on last journal entry
*/
genradix_for_each_reverse(&c->journal_entries, radix_iter, _i) {
+ int write = READ;
+
i = *_i;
if (!i || i->ignore)
@@ -1153,21 +1158,27 @@ int bch2_journal_read(struct bch_fs *c, u64 *blacklist_seq, u64 *start_seq)
if (!*start_seq)
*blacklist_seq = *start_seq = le64_to_cpu(i->j.seq) + 1;
- if (!JSET_NO_FLUSH(&i->j)) {
- int write = READ;
- if (journal_entry_err_on(le64_to_cpu(i->j.last_seq) > le64_to_cpu(i->j.seq),
- c, &i->j, NULL,
- "invalid journal entry: last_seq > seq (%llu > %llu)",
- le64_to_cpu(i->j.last_seq),
- le64_to_cpu(i->j.seq)))
- i->j.last_seq = i->j.seq;
-
- last_seq = le64_to_cpu(i->j.last_seq);
- *blacklist_seq = le64_to_cpu(i->j.seq) + 1;
- break;
+ if (JSET_NO_FLUSH(&i->j)) {
+ journal_replay_free(c, i);
+ continue;
}
- journal_replay_free(c, i);
+ if (!last_write_torn && !i->csum_good) {
+ last_write_torn = true;
+ journal_replay_free(c, i);
+ continue;
+ }
+
+ if (journal_entry_err_on(le64_to_cpu(i->j.last_seq) > le64_to_cpu(i->j.seq),
+ c, &i->j, NULL,
+ "invalid journal entry: last_seq > seq (%llu > %llu)",
+ le64_to_cpu(i->j.last_seq),
+ le64_to_cpu(i->j.seq)))
+ i->j.last_seq = i->j.seq;
+
+ last_seq = le64_to_cpu(i->j.last_seq);
+ *blacklist_seq = le64_to_cpu(i->j.seq) + 1;
+ break;
}
if (!*start_seq) {