SUNRPC: mark bulk read/write data in xdrbuf

Adds a flag word to the xdrbuf struct which indicates any bulk
disposition of the data. This enables RPC transport providers to
marshal it efficiently/appropriately, and may enable other
optimizations.

Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
\"Talpey, Thomas\ 2007-09-10 13:44:58 -04:00 committed by Trond Myklebust
parent 20c71f5e0f
commit 4f22ccc346
5 changed files with 11 additions and 1 deletions

View file

@ -70,7 +70,10 @@ struct xdr_buf {
struct page ** pages; /* Array of contiguous pages */
unsigned int page_base, /* Start of page data */
page_len; /* Length of page data */
page_len, /* Length of page data */
flags; /* Flags for data disposition */
#define XDRBUF_READ 0x01 /* target of file read */
#define XDRBUF_WRITE 0x02 /* source of file write */
unsigned int buflen, /* Total length of storage buffer */
len; /* Length of XDR encoded message */