diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2011-10-10 17:44:19 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-10-11 12:15:15 -0400 |
| commit | b6d2f1ca3c1162f51098969e9c52fd099720416a (patch) | |
| tree | bf8fa7abd3b601902ac034248a07b274b33e45fd /fs | |
| parent | a084daf512bb66fa3c8e21c7027daea521179cd0 (diff) | |
| download | lwn-b6d2f1ca3c1162f51098969e9c52fd099720416a.tar.gz lwn-b6d2f1ca3c1162f51098969e9c52fd099720416a.zip | |
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 <bfields@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 3 | ||||
| -rw-r--r-- | 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; |