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Commit bc94dcfb authored by Trond Myklebust's avatar Trond Myklebust Committed by Greg Kroah-Hartman
Browse files

NFSv2: Fix eof handling 



[ Upstream commit 71affe9be45a5c60b9772e1b2701710712637274 ]

If we received a reply from the server with a zero length read and
no error, then that implies we are at eof.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 970b0ee7

fs/nfs/proc.c

+2 −1
Original line number Diff line number Diff line
@@ -588,7 +588,8 @@ static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 
		/* Emulate the eof flag, which isn't normally needed in NFSv2

		 * as it is guaranteed to always return the file attributes

		 */

		if (hdr->args.offset + hdr->res.count >= hdr->res.fattr->size)

		if ((hdr->res.count == 0 && hdr->args.count > 0) ||

		    hdr->args.offset + hdr->res.count >= hdr->res.fattr->size)

			hdr->res.eof = 1;

	}

	return 0;