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Subject[PATCH] bcache: fix cache miss's issue
Date
when cache miss's IO was done, it needs to continue the left part of IO,
not return -EINTR. -EINTR will stop the whole btree recurse.

Signed-off-by: Qiang Bai <chiang.bai@gmail.com>
---
drivers/md/bcache/request.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 29c231758293..b6ff101d2611 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -914,7 +914,7 @@ static int cached_dev_cache_miss(struct btree *b, struct search *s,
miss = bio_next_split(bio, sectors, GFP_NOIO, &s->d->bio_split);

/* btree_search_recurse()'s btree iterator is no good anymore */
- ret = miss == bio ? MAP_DONE : -EINTR;
+ ret = miss == bio ? MAP_DONE : MAP_CONTINUE;

cache_bio = bio_alloc_bioset(GFP_NOWAIT,
DIV_ROUND_UP(s->insert_bio_sectors, PAGE_SECTORS),
--
2.31.1
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