korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-30 07:34:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

block: skip bio_check_eod for partition-remapped bios

Browse Source 
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: 309dca309f ("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>
This commit is contained in:
Christoph Hellwig 2021-01-25 19:39:57 +01:00 committed by Jens Axboe
parent c42bca92be
commit 3a905c37c3
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
block/blk-core.c
View File

@ -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