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From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: linux-kernel@vger.kernel.org,
	Andy Adamson <andros@citi.umich.edu>,
	Matthew Wilcox <matthew@wil.cx>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: fcntl: F_SETLEASE/F_RDLCK question
Date: Mon, 2 May 2005 11:15:24 +0200	[thread overview]
Message-ID: <20050502091524.GA6457@osiris.boeblingen.de.ibm.com> (raw)

Hi,

the semantics of fnctl used together with F_SETLEASE and
argument F_RDLCK have been changed with bk changeset
1.1938.185.141 (sometime between 2.6.9 and 2.6.10).
Since then it's only possible to get a read lease when the
file in question does not have _any_ writers.
This is at least inconsistent with the man page of fcntl
and looks pretty much like this is a bug in the kernel.

Any comments?

Thanks,
Heiko

             reply	other threads:[~2005-05-02  9:15 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-02  9:15 Heiko Carstens [this message]
2005-05-02 11:04 ` Stephen Rothwell
2005-05-02 12:10   ` Heiko Carstens
2005-05-03 10:00   ` Michael Kerrisk
2005-05-03 13:14     ` Stephen Rothwell
2005-05-03 13:55       ` William A.(Andy) Adamson
2005-05-03 13:59         ` Matthew Wilcox
2005-05-03 14:15           ` William A.(Andy) Adamson
2005-05-03 14:50             ` Michael Kerrisk
2005-05-03 16:21               ` William A.(Andy) Adamson
2005-05-03 16:36                 ` J. Bruce Fields
2005-05-31 14:53       ` Michael Kerrisk
2005-05-31 15:23         ` J. Bruce Fields
2005-05-31 15:41           ` Michael Kerrisk
2005-05-31 15:34       ` File leases and fork() Michael Kerrisk

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