From: J. Bruce Fields Date: Wed, 31 Aug 2011 19:25:46 +0000 (-0400) Subject: nfsd4: simplify distinguishing lock & open stateid's X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=5fa0bbb4ee5481a6b3e83c4968142ca433d71914;p=deliverable%2Flinux.git nfsd4: simplify distinguishing lock & open stateid's The trick free_stateid is using is a little cheesy, and we'll have more uses for this field later. Signed-off-by: J. Bruce Fields --- diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index d2b637b717c3..7de214b860db 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2285,6 +2285,7 @@ init_stateid(struct nfs4_stateid *stp, struct nfs4_file *fp, struct nfsd4_open * list_add(&stp->st_hash, &stateid_hashtbl[hashval]); list_add(&stp->st_perstateowner, &sop->so_stateids); list_add(&stp->st_perfile, &fp->fi_stateids); + stp->st_type = NFS4_OPEN_STID; stp->st_stateowner = sop; get_nfs4_file(fp); stp->st_file = fp; @@ -3201,11 +3202,6 @@ static int is_delegation_stateid(stateid_t *stateid) return stateid->si_fileid == 0; } -static int is_open_stateid(struct nfs4_stateid *stateid) -{ - return stateid->st_openstp == NULL; -} - __be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session) { struct nfs4_stateid *stp = NULL; @@ -3369,7 +3365,7 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, } } - if (is_open_stateid(stp)) { + if (stp->st_type == NFS4_OPEN_STID) { ret = nfserr_locks_held; goto out; } else { @@ -3928,6 +3924,7 @@ alloc_init_lock_stateid(struct nfs4_stateowner *sop, struct nfs4_file *fp, struc list_add(&stp->st_perfile, &fp->fi_stateids); list_add(&stp->st_perstateowner, &sop->so_stateids); stp->st_stateowner = sop; + stp->st_type = NFS4_LOCK_STID; get_nfs4_file(fp); stp->st_file = fp; stp->st_stateid.si_boot = boot_time; diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 6b706a60ce88..a06f55bd38b6 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -425,6 +425,9 @@ static inline struct file *find_any_file(struct nfs4_file *f) */ struct nfs4_stateid { +#define NFS4_OPEN_STID 1 +#define NFS4_LOCK_STID 2 + char st_type; struct list_head st_hash; struct list_head st_perfile; struct list_head st_perstateowner;