From: J. Bruce Fields Date: Mon, 22 Aug 2011 14:07:12 +0000 (-0400) Subject: nfsd4: remove HAS_SESSION X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=28dde241cc65c9464b7627d9a9ed3a66e4df2586;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git nfsd4: remove HAS_SESSION This flag doesn't really buy us anything. Signed-off-by: J. Bruce Fields --- diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 3e64288399f7..14c8dd64e136 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3168,13 +3168,13 @@ grace_disallows_io(struct inode *inode) return locks_in_grace() && mandatory_lock(inode); } -static int check_stateid_generation(stateid_t *in, stateid_t *ref, int flags) +static int check_stateid_generation(stateid_t *in, stateid_t *ref, bool has_session) { /* * When sessions are used the stateid generation number is ignored * when it is zero. */ - if ((flags & HAS_SESSION) && in->si_generation == 0) + if (has_session && in->si_generation == 0) goto out; /* If the client sends us a stateid from the future, it's buggy: */ @@ -3206,7 +3206,7 @@ static int is_open_stateid(struct nfs4_stateid *stateid) return stateid->st_openstp == NULL; } -__be32 nfs4_validate_stateid(stateid_t *stateid, int flags) +__be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session) { struct nfs4_stateid *stp = NULL; __be32 status = nfserr_stale_stateid; @@ -3223,7 +3223,7 @@ __be32 nfs4_validate_stateid(stateid_t *stateid, int flags) if (!stp->st_stateowner->so_confirmed) goto out; - status = check_stateid_generation(stateid, &stp->st_stateid, flags); + status = check_stateid_generation(stateid, &stp->st_stateid, has_session); if (status) goto out; @@ -3251,9 +3251,6 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate, if (grace_disallows_io(ino)) return nfserr_grace; - if (nfsd4_has_session(cstate)) - flags |= HAS_SESSION; - if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) return check_special_stateids(current_fh, stateid, flags); @@ -3270,8 +3267,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate, dp = find_delegation_stateid(ino, stateid); if (!dp) goto out; - status = check_stateid_generation(stateid, &dp->dl_stateid, - flags); + status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate)); if (status) goto out; status = nfs4_check_delegmode(dp, flags); @@ -3292,7 +3288,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate, if (!stp->st_stateowner->so_confirmed) goto out; status = check_stateid_generation(stateid, &stp->st_stateid, - flags); + nfsd4_has_session(cstate)); if (status) goto out; status = nfs4_check_openmode(stp, flags); @@ -3421,9 +3417,6 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, if (STALE_STATEID(stateid)) return nfserr_stale_stateid; - if (nfsd4_has_session(cstate)) - flags |= HAS_SESSION; - /* * We return BAD_STATEID if filehandle doesn't match stateid, * the confirmed flag is incorrecly set, or the generation @@ -3457,7 +3450,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, if (lock->lk_is_new) { if (!sop->so_is_open_owner) return nfserr_bad_stateid; - if (!(flags & HAS_SESSION) && + if (!nfsd4_has_session(cstate) && !same_clid(&clp->cl_clientid, lockclid)) return nfserr_bad_stateid; /* stp is the open stateid */ @@ -3482,7 +3475,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, * For the moment, we ignore the possibility of * generation number wraparound. */ - if (!(flags & HAS_SESSION) && seqid != sop->so_seqid) + if (!nfsd4_has_session(cstate) && seqid != sop->so_seqid) goto check_replay; if (sop->so_confirmed && flags & CONFIRM) { @@ -3495,7 +3488,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, " confirmed yet!\n"); return nfserr_bad_stateid; } - status = check_stateid_generation(stateid, &stp->st_stateid, flags); + status = check_stateid_generation(stateid, &stp->st_stateid, nfsd4_has_session(cstate)); if (status) return status; renew_client(sop->so_client); @@ -3679,14 +3672,11 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, stateid_t *stateid = &dr->dr_stateid; struct inode *inode; __be32 status; - int flags = 0; if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0))) return status; inode = cstate->current_fh.fh_dentry->d_inode; - if (nfsd4_has_session(cstate)) - flags |= HAS_SESSION; nfs4_lock_state(); status = nfserr_bad_stateid; if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) @@ -3701,7 +3691,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, dp = find_delegation_stateid(inode, stateid); if (!dp) goto out; - status = check_stateid_generation(stateid, &dp->dl_stateid, flags); + status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate)); if (status) goto out; renew_client(dp->dl_client); diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 12c1b1ef52ec..f02badd70cf2 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -439,7 +439,6 @@ struct nfs4_stateid { }; /* flags for preprocess_seqid_op() */ -#define HAS_SESSION 0x00000001 #define CONFIRM 0x00000002 #define OPEN_STATE 0x00000004 #define LOCK_STATE 0x00000008 @@ -476,7 +475,7 @@ extern void nfsd4_recdir_purge_old(void); extern int nfsd4_create_clid_dir(struct nfs4_client *clp); extern void nfsd4_remove_clid_dir(struct nfs4_client *clp); extern void release_session_client(struct nfsd4_session *); -extern __be32 nfs4_validate_stateid(stateid_t *, int); +extern __be32 nfs4_validate_stateid(stateid_t *, bool); static inline void nfs4_put_stateowner(struct nfs4_stateowner *so) diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index d2a8d04428c7..663193b21a24 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -351,7 +351,7 @@ struct nfsd4_saved_compoundargs { struct nfsd4_test_stateid { __be32 ts_num_ids; - __be32 ts_has_session; + bool ts_has_session; struct nfsd4_compoundargs *ts_saved_args; struct nfsd4_saved_compoundargs ts_savedp; };