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@xxxxxx>
Cc: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Shaohua Li <shli@xxxxxx>
---
fs/block_dev.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 95acbd2..1eb7dcf 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -264,7 +264,6 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,
if (unlikely(bio.bi_error))
return bio.bi_error;
- iocb->ki_pos += ret;
return ret;
}
@@ -411,10 +410,8 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
__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;
--
2.9.3
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