linux-kernel - NFSv4: truncate returns I/O error

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Message-ID: <87k42yjb0c.fsf@tucsk.pomaz.szeredi.hu>
Date:	Tue, 06 Mar 2012 11:10:11 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Trond Myklebust <Trond.Myklebust@...app.com>
CC:	linux-nfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: NFSv4: truncate returns I/O error

The attached test program reliably fails on an NFSv4 mount.

# mount -tnfs -onfsvers=4 127.0.0.1:/ /mnt/nfs
# ./truncate-test /mnt/nfs/tmp/xyz
truncate: Input/output error

Thanks,
Miklos


View attachment "truncate-test.c" of type "text/x-csrc" (318 bytes)