Re: [PATCH 32/35] Unionfs: Include file

[Jan Engelhardt <jengelh@linux01.gwdg.de>]

On Dec 4 2006 07:31, Josef 'Jeff' Sipek wrote:

>Date: Mon,  4 Dec 2006 07:31:05 -0500
>From: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
>To: linux-kernel@vger.kernel.org
>Cc: torvalds@osdl.org, akpm@osdl.org, hch@infradead.org, viro@ftp.linux.org.uk,
>    linux-fsdevel@vger.kernel.org, mhalcrow@us.ibm.com,
>    Josef Jeff Sipek <jsipek@cs.sunysb.edu>
>Subject: [PATCH 32/35] Unionfs: Include file
>
>From: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu>
>
>Global include file - can be included from userspace by utilities.
>
>Signed-off-by: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu>
>Signed-off-by: David Quigley <dquigley@fsl.cs.sunysb.edu>
>Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
>---
> include/linux/union_fs.h |   20 ++++++++++++++++++++
> 1 files changed, 20 insertions(+), 0 deletions(-)
>
>diff --git a/include/linux/union_fs.h b/include/linux/union_fs.h
>new file mode 100644
>index 0000000..e76d3cf
>--- /dev/null
>+++ b/include/linux/union_fs.h
>@@ -0,0 +1,20 @@
>+#ifndef _LINUX_UNION_FS_H
>+#define _LINUX_UNION_FS_H
>+
>+#define UNIONFS_VERSION  "2.0"
>+/*
>+ * DEFINITIONS FOR USER AND KERNEL CODE:
>+ * (Note: ioctl numbers 1--9 are reserved for fistgen, the rest
>+ *  are auto-generated automatically based on the user's .fist file.)
>+ */

FIST is not used here so is this comment still appropriate?


>+# define UNIONFS_IOCTL_INCGEN		_IOR(0x15, 11, int)
>+# define UNIONFS_IOCTL_QUERYFILE	_IOR(0x15, 15, int)
>+
>+/* We don't support normal remount, but unionctl uses it. */
>+# define UNIONFS_REMOUNT_MAGIC		0x4a5a4380
>+
>+/* should be at least LAST_USED_UNIONFS_PERMISSION<<1 */
>+#define MAY_NFSRO			16
>+
>+#endif /* _LINUX_UNIONFS_H */
>+

	-`J'
-- 
-
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