From: Trond Myklebust trond.myklebust@hammerspace.com
[ 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: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index b417bbcd97046..80ecdf2ec8b6a 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -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;