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[1/3] NFSv4.1 Add the RPC header and other overhead to session parameters request

Message ID 1372185454-1888-1-git-send-email-andros@netapp.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andy Adamson June 25, 2013, 6:37 p.m. UTC 
From: Andy Adamson <andros@netapp.com>

ca_maxresponsesize and ca_maxrequestsize include the RPC header. Add the
RPC header size and other xdr overhead in order to request NFS_MAX_FILE_IO_SIZE
of read and write data.

Signed-off-by: Andy Adamson <andros@netapp.com>
---
 fs/nfs/nfs4proc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 3e40876..b569feb 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6189,9 +6189,9 @@  static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args)
 		     mxresp_sz = session->fc_target_max_resp_sz;
 
 	if (mxrqst_sz == 0)
-		mxrqst_sz = NFS_MAX_FILE_IO_SIZE;
+		mxrqst_sz = NFS_MAX_FILE_IO_SIZE + nfs41_maxwrite_overhead;
 	if (mxresp_sz == 0)
-		mxresp_sz = NFS_MAX_FILE_IO_SIZE;
+		mxresp_sz = NFS_MAX_FILE_IO_SIZE + nfs41_maxread_overhead;
 	/* Fore channel attributes */
 	args->fc_attrs.max_rqst_sz = mxrqst_sz;
 	args->fc_attrs.max_resp_sz = mxresp_sz;