[115/264] nfsd4: fix seqid_mutating_error

[Greg KH]

3.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "J. Bruce Fields" <bfields@xxxxxxxxxx>

commit 576163005de286bbd418fcb99cfd0971523a0c6d upstream.

The set of errors here does *not* agree with the set of errors specified
in the rfc!

While we're there, turn this macros into a function, for the usual
reasons, and move it to the one place where it's actually used.

Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 fs/nfsd/nfs4xdr.c |   12 ++++++++++++
 fs/nfsd/state.h   |    6 ------
 2 files changed, 12 insertions(+), 6 deletions(-)

--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1623,6 +1623,18 @@ static void write_cinfo(__be32 **p, stru
 								\
 	save = resp->p;
 
+static bool seqid_mutating_err(__be32 err)
+{
+	/* rfc 3530 section 8.1.5: */
+	return	err != nfserr_stale_clientid &&
+		err != nfserr_stale_stateid &&
+		err != nfserr_bad_stateid &&
+		err != nfserr_bad_seqid &&
+		err != nfserr_bad_xdr &&
+		err != nfserr_resource &&
+		err != nfserr_nofilehandle;
+}
+
 /*
  * Routine for encoding the result of a "seqid-mutating" NFSv4 operation.  This
  * is where sequence id's are incremented, and the replay cache is filled.
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -447,12 +447,6 @@ struct nfs4_stateid {
 #define WR_STATE	        0x00000020
 #define CLOSE_STATE             0x00000040
 
-#define seqid_mutating_err(err)                       \
-	(((err) != nfserr_stale_clientid) &&    \
-	((err) != nfserr_bad_seqid) &&          \
-	((err) != nfserr_stale_stateid) &&      \
-	((err) != nfserr_bad_stateid))
-
 struct nfsd4_compound_state;
 
 extern __be32 nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,


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