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NFSv4.0: always send mode in SETATTR after EXCLUSIVE4

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Some nfsv4.0 servers may return a mode for the verifier following an open
with EXCLUSIVE4 createmode, but this does not mean the client should skip
setting the mode in the following SETATTR.  It should only do that for
EXCLUSIVE4_1 or UNGAURDED createmode.

Fixes: 5334c5bdac ("NFS: Send attributes in OPEN request for NFS4_CREATE_EXCLUSIVE4_1")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Cc: stable@vger.kernel.org # v4.3+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Benjamin Coddington 2017-01-24 11:34:20 -05:00 committed by Trond Myklebust
parent 059aa73482
commit a430607b2e
1 changed files with 2 additions and 1 deletions
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3
fs/nfs/nfs4proc.c
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@ -2700,7 +2700,8 @@ static inline void nfs4_exclusive_attrset(struct nfs4_opendata *opendata,
sattr->ia_valid |= ATTR_MTIME;
/* Except MODE, it seems harmless of setting twice. */
if ((attrset[1] & FATTR4_WORD1_MODE))
if (opendata->o_arg.createmode != NFS4_CREATE_EXCLUSIVE &&
attrset[1] & FATTR4_WORD1_MODE)
sattr->ia_valid &= ~ATTR_MODE;
if (attrset[2] & FATTR4_WORD2_SECURITY_LABEL)