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authorChristoph Hellwig <hch@lst.de>2021-01-25 19:39:57 +0100
committerJens Axboe <axboe@kernel.dk>2021-01-25 11:41:34 -0700
commit3a905c37c3510ea6d7cfcdfd0f272ba731286560 (patch)
tree141e4fae0a7e8490755706ba065e38abcb3fe59a /block/blk-core.c
parentc42bca92be928ce7dece5fc04cf68d0e37ee6718 (diff)
block: skip bio_check_eod for partition-remapped bios
When an already remapped bio is resubmitted (e.g. by blk_queue_split), bio_check_eod will compare the remapped bi_sector against the size of the partition, leading to spurious I/O failures. Skip the EOD check in this case. Fixes: 309dca309fc3 ("block: store a block_device pointer in struct bio") Reported-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 88f608904432..5e752840b41a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -815,11 +815,12 @@ static noinline_for_stack bool submit_bio_checks(struct bio *bio)
goto end_io;
if (unlikely(bio_check_ro(bio)))
goto end_io;
- if (unlikely(bio_check_eod(bio)))
- goto end_io;
- if (bio->bi_bdev->bd_partno && !bio_flagged(bio, BIO_REMAPPED) &&
- unlikely(blk_partition_remap(bio)))
- goto end_io;
+ if (!bio_flagged(bio, BIO_REMAPPED)) {
+ if (unlikely(bio_check_eod(bio)))
+ goto end_io;
+ if (bdev->bd_partno && unlikely(blk_partition_remap(bio)))
+ goto end_io;
+ }
/*
* Filter flush bio's early so that bio based drivers without flush