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authorJ. Bruce Fields <bfields@redhat.com>2011-09-08 18:16:03 +0200
committerJ. Bruce Fields <bfields@redhat.com>2011-09-14 00:30:33 +0200
commit36d44c6038f6d3f8786187a5558c2f3b39a7af95 (patch)
tree39bd0f665d64632950e3faf58e9b535c69101ad2 /fs
parentnfsd4: add common dl_stid field to delegation (diff)
downloadlinux-36d44c6038f6d3f8786187a5558c2f3b39a7af95.tar.xz
linux-36d44c6038f6d3f8786187a5558c2f3b39a7af95.zip
nfsd4: share common stid-hashing helper function
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4state.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3e3d605d3e73..581a5d01b005 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -218,6 +218,15 @@ static void nfs4_file_put_access(struct nfs4_file *fp, int oflag)
__nfs4_file_put_access(fp, oflag);
}
+static inline void hash_stid(struct nfs4_stid *stid)
+{
+ stateid_t *s = &stid->sc_stateid;
+ unsigned int hashval;
+
+ hashval = stateid_hashval(s->si_stateownerid, s->si_fileid);
+ list_add(&stid->sc_hash, &stateid_hashtbl[hashval]);
+}
+
static struct nfs4_delegation *
alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct svc_fh *current_fh, u32 type)
{
@@ -2316,10 +2325,8 @@ alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, str
static inline void
init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_file *fp, struct nfsd4_open *open) {
struct nfs4_openowner *oo = open->op_openowner;
- unsigned int hashval = stateid_hashval(oo->oo_owner.so_id, fp->fi_id);
INIT_LIST_HEAD(&stp->st_lockowners);
- list_add(&stp->st_stid.sc_hash, &stateid_hashtbl[hashval]);
list_add(&stp->st_perstateowner, &oo->oo_owner.so_stateids);
list_add(&stp->st_perfile, &fp->fi_stateids);
stp->st_stid.sc_type = NFS4_OPEN_STID;
@@ -2331,6 +2338,7 @@ init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_file *fp, struct nfsd
stp->st_stid.sc_stateid.si_fileid = fp->fi_id;
/* note will be incremented before first return to client: */
stp->st_stid.sc_stateid.si_generation = 0;
+ hash_stid(&stp->st_stid);
stp->st_access_bmap = 0;
stp->st_deny_bmap = 0;
__set_bit(open->op_share_access & ~NFS4_SHARE_WANT_MASK,
@@ -3866,12 +3874,10 @@ static struct nfs4_ol_stateid *
alloc_init_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp, struct nfs4_ol_stateid *open_stp)
{
struct nfs4_ol_stateid *stp;
- unsigned int hashval = stateid_hashval(lo->lo_owner.so_id, fp->fi_id);
stp = nfs4_alloc_stateid();
if (stp == NULL)
goto out;
- list_add(&stp->st_stid.sc_hash, &stateid_hashtbl[hashval]);
list_add(&stp->st_perfile, &fp->fi_stateids);
list_add(&stp->st_perstateowner, &lo->lo_owner.so_stateids);
stp->st_stateowner = &lo->lo_owner;
@@ -3883,6 +3889,7 @@ alloc_init_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp, struct
stp->st_stid.sc_stateid.si_fileid = fp->fi_id;
/* note will be incremented before first return to client: */
stp->st_stid.sc_stateid.si_generation = 0;
+ hash_stid(&stp->st_stid);
stp->st_access_bmap = 0;
stp->st_deny_bmap = open_stp->st_deny_bmap;
stp->st_openstp = open_stp;