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| author | \"Talpey, Thomas\ <Thomas.Talpey@netapp.com> | 2007-09-10 21:44:58 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-10-10 01:17:34 +0400 |
| commit | 4f22ccc3460ef65e9899ec271d36fc4ef795c68d (patch) | |
| tree | 613a7a135cd11e5254362e41ab2b05f707901c19 /include/linux/sunrpc/xdr.h | |
| parent | 20c71f5e0f954b00d75009542db2c1f844d94a1e (diff) | |
| download | linux-4f22ccc3460ef65e9899ec271d36fc4ef795c68d.tar.xz | |
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>
Diffstat (limited to 'include/linux/sunrpc/xdr.h')
| -rw-r--r-- | include/linux/sunrpc/xdr.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index c6b53d181bfa..0751c9464d0f 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -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 */ |