[PATCH RFC 1/4] NFS: Define common IMA-related protocol elements

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Common protocol definitions used by the server and client
implementations. A separate patch also makes it easier to see what
code needs to be change when the flag name and value is eventually
standardized.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
 include/linux/nfs4.h |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 1b06f0b..ca3adb1 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -41,6 +41,7 @@ struct nfs4_acl {
 };
 
 #define NFS4_MAXLABELLEN	2048
+#define NFS4_MAXIMALEN		(4096)
 
 struct nfs4_label {
 	uint32_t	lfs;
@@ -451,6 +452,7 @@ enum change_attr_type4 {
 #define FATTR4_WORD2_CHANGE_ATTR_TYPE	(1UL << 15)
 #define FATTR4_WORD2_SECURITY_LABEL     (1UL << 16)
 #define FATTR4_WORD2_MODE_UMASK		(1UL << 17)
+#define FATTR4_WORD2_LINUX_IMA		(1UL << 18)
 
 /* MDS threshold bitmap bits */
 #define THRESHOLD_RD                    (1UL << 0)




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