Thread (7 messages) 7 messages, 2 authors, 2008-07-12

Re: [2/3] POHMELFS: Documentation.

From: Evgeniy Polyakov <hidden>
Date: 2008-07-12 07:26:10
Also in: linux-fsdevel, lkml

Hi.

On Sat, Jul 12, 2008 at 09:01:51AM +0200, Pavel Machek (pavel@suse.cz) wrote:
quoted
+ * Completely async processing of all events (hard, symlinks and rename are the
+ 	only exceptions) including object creation and data reading and writing.
Hmm... this is little funny.

	Async processing of most events (only exceptions are ...) ?
There are people who belive that most with exceptions is still all :)
Actually I think that if there are exceptions, than it is not 'all'.
 
quoted
+POHMELFS network protocol.
+
+Basic structure used in network communication is following command:
+
+struct netfs_cmd
+{
+	__u16			cmd;	/* Command number */
+	__u16			csize;	/* Attached crypto information size */
+	__u16			cpad;	/* Attached padding size */
+	__u16			ext;	/* External flags */
+	__u32			size;	/* Size of the attached data */
+	__u32			trans;	/* Transaction id */
+	__u64			id;	/* Object ID to operate on. Used for feedback.*/
+	__u64			start;	/* Start of the object. */
+	__u64			iv;	/* IV sequence */
+	__u8			data[0];
+};
Which endianity?
Big endian in the network. CPU endian on both ends.

-- 
	Evgeniy Polyakov
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