Commit dac3b105 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4.2: Handle hole lengths that exceed the READ_PLUS read buffer 



If a hole extends beyond the READ_PLUS read buffer, then we want to fill
just the remaining buffer with zeros. Also ignore eof...

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 82f98c8b

fs/nfs/nfs42xdr.c

+6 −0
Original line number Diff line number Diff line
@@ -1080,6 +1080,12 @@ static int decode_read_plus_hole(struct xdr_stream *xdr, 
		}

		length -= args->offset + res->count - offset;

	}

	if (length + res->count > args->count) {

		*eof = 0;

		if (unlikely(res->count >= args->count))

			return 1;

		length = args->count - res->count;

	}

	recvd = xdr_expand_hole(xdr, res->count, length);

	res->count += recvd;

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