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author | Chuck Lever <chuck.lever@oracle.com> | 2019-02-11 11:25:36 -0500 |
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committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-02-14 11:48:36 -0500 |
commit | 35e77d21baa04b554bf3dc9a08dfa7e569286e51 (patch) | |
tree | d6e48672b6fbd6ce82ba47438295b18b53b2c4b0 /net/sunrpc/xprtsock.c | |
parent | a00275baa68e1ee226cc659f54dc3a571f3ad600 (diff) | |
download | linux-35e77d21baa04b554bf3dc9a08dfa7e569286e51.tar.gz |
SUNRPC: Add rpc_auth::au_ralign field
Currently rpc_inline_rcv_pages() uses au_rslack to estimate the size of the upper layer reply header. This is fine for auth flavors where au_verfsize == au_rslack. However, some auth flavors have more going on. krb5i for example has two more words after the verifier, and another blob following the RPC message. The calculation involving au_rslack pushes the upper layer reply header too far into the rcv_buf. au_rslack is still valuable: it's the amount of buffer space needed for the reply, and is used when allocating the reply buffer. We'll keep that. But, add a new field that can be used to properly estimate the location of the upper layer header in each RPC reply, based on the auth flavor in use. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtsock.c')
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