From efa96cc99793bafe96bdbff6abab94d81472a32d Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 17 Jul 2023 08:49:57 -0700 Subject: [PATCH] iomap: micro optimize the ki_pos assignment in iomap_file_buffered_write We have the new value for ki_pos right at hand in iter.pos, so assign that instead of recalculating it from ret. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong Reviewed-by: Ritesh Harjani (IBM) --- fs/iomap/buffered-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 7cc9f72..aa8967c 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -875,7 +875,7 @@ iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *i, if (unlikely(iter.pos == iocb->ki_pos)) return ret; ret = iter.pos - iocb->ki_pos; - iocb->ki_pos += ret; + iocb->ki_pos = iter.pos; return ret; } EXPORT_SYMBOL_GPL(iomap_file_buffered_write); -- 2.7.4