block_dev: don't update file access position for sync direct IO
For sync direct IO, generic_file_direct_write/generic_file_read_iter
will update file access position. Don't duplicate the update in
.direct_IO. This cause my raid array can't assemble.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/fs/block_dev.c b/fs/block_dev.c
index d4f2335..7c45072 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -264,7 +264,6 @@
if (unlikely(bio.bi_error))
return bio.bi_error;
- iocb->ki_pos += ret;
return ret;
}
@@ -411,10 +410,8 @@
__set_current_state(TASK_RUNNING);
ret = dio->bio.bi_error;
- if (likely(!ret)) {
+ if (likely(!ret))
ret = dio->size;
- iocb->ki_pos += ret;
- }
bio_put(&dio->bio);
return ret;