Commit 18e419f6 authored by Stefan Roesch's avatar Stefan Roesch Committed by Jens Axboe
Browse files

iomap: Return -EAGAIN from iomap_write_iter() 



If iomap_write_iter() encounters -EAGAIN, return -EAGAIN to the caller.

Signed-off-by: default avatarStefan Roesch <shr@fb.com>
Reviewed-by: default avatarDarrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20220623175157.1715274-7-shr@fb.com


Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
[axboe: make the suggested ternary edit]
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent cae2de69

fs/iomap/buffered-io.c

+4 −0
Original line number Diff line number Diff line
@@ -830,6 +830,10 @@ static loff_t iomap_write_iter(struct iomap_iter *iter, struct iov_iter *i) 
		length -= status;

	} while (iov_iter_count(i) && length);



	if (status == -EAGAIN) {

		iov_iter_revert(i, written);

		return -EAGAIN;

	}

	return written ? written : status;

}