From: Chuck Lever Date: Fri, 22 Jul 2022 20:08:38 +0000 (-0400) Subject: NFSD: Optimize nfsd4_encode_operation() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=095a764b7afb06c9499b798c04eaa3cbf70ebe2d;p=linux.git NFSD: Optimize nfsd4_encode_operation() write_bytes_to_xdr_buf() is a generic way to place a variable-length data item in an already-reserved spot in the encoding buffer. However, it is costly, and here, it is unnecessary because the data item is fixed in size, the buffer destination address is always word-aligned, and the destination location is already in @p. Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever --- diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 2acea7792bb26..b52ea7d8313a1 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -5373,8 +5373,7 @@ nfsd4_encode_operation(struct nfsd4_compoundres *resp, struct nfsd4_op *op) so->so_replay.rp_buf, len); } status: - /* Note that op->status is already in network byte order: */ - write_bytes_to_xdr_buf(xdr->buf, post_err_offset - 4, &op->status, 4); + *p = op->status; } /*