From b6d2f1ca3c1162f51098969e9c52fd099720416a Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Mon, 10 Oct 2011 17:44:19 -0400 Subject: [PATCH] nfsd4: more robust ignoring of WANT bits in OPEN Mask out the WANT bits right at the start instead of on each use. Signed-off-by: J. Bruce Fields --- fs/nfsd/nfs4proc.c | 3 +++ fs/nfsd/nfs4state.c | 5 ++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 4e41f65c7021..5b192a2512b6 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -315,6 +315,9 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, if (open->op_create && open->op_claim_type != NFS4_OPEN_CLAIM_NULL) return nfserr_inval; + /* We don't yet support WANT bits: */ + open->op_share_access &= NFS4_SHARE_ACCESS_MASK; + /* * RFC5661 18.51.3 * Before RECLAIM_COMPLETE done, server should deny new lock diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 5f35f35a2da0..2042805da960 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2345,8 +2345,7 @@ static inline __be32 init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_ stp->st_file = fp; stp->st_access_bmap = 0; stp->st_deny_bmap = 0; - __set_bit(open->op_share_access & ~NFS4_SHARE_WANT_MASK, - &stp->st_access_bmap); + __set_bit(open->op_share_access, &stp->st_access_bmap); __set_bit(open->op_share_deny, &stp->st_deny_bmap); stp->st_openstp = NULL; return nfs_ok; @@ -2690,7 +2689,7 @@ nfsd4_truncate(struct svc_rqst *rqstp, struct svc_fh *fh, static __be32 nfs4_upgrade_open(struct svc_rqst *rqstp, struct nfs4_file *fp, struct svc_fh *cur_fh, struct nfs4_ol_stateid *stp, struct nfsd4_open *open) { - u32 op_share_access = open->op_share_access & ~NFS4_SHARE_WANT_MASK; + u32 op_share_access = open->op_share_access; bool new_access; __be32 status; -- 2.39.2