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-rw-r--r--drivers/md/bcache/journal.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index 828ab474696a..f9afb164b887 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -318,6 +318,18 @@ void bch_journal_mark(struct cache_set *c, struct list_head *list)
}
}
+bool is_discard_enabled(struct cache_set *s)
+{
+ struct cache *ca;
+ unsigned int i;
+
+ for_each_cache(ca, s, i)
+ if (ca->discard)
+ return true;
+
+ return false;
+}
+
int bch_journal_replay(struct cache_set *s, struct list_head *list)
{
int ret = 0, keys = 0, entries = 0;
@@ -332,10 +344,15 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list)
BUG_ON(i->pin && atomic_read(i->pin) != 1);
if (n != i->j.seq) {
- pr_err("bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)",
- n, i->j.seq - 1, start, end);
- ret = -EIO;
- goto err;
+ if (n == start && is_discard_enabled(s))
+ pr_info("bcache: journal entries %llu-%llu may be discarded! (replaying %llu-%llu)",
+ n, i->j.seq - 1, start, end);
+ else {
+ pr_err("bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)",
+ n, i->j.seq - 1, start, end);
+ ret = -EIO;
+ goto err;
+ }
}
for (k = i->j.start;