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author | J. Bruce Fields <bfields@redhat.com> | 2011-09-08 12:16:03 -0400 |
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committer | J. Bruce Fields <bfields@redhat.com> | 2011-09-13 18:30:33 -0400 |
commit | 36d44c6038f6d3f8786187a5558c2f3b39a7af95 (patch) | |
tree | 39bd0f665d64632950e3faf58e9b535c69101ad2 /fs/nfsd/nfs4state.c | |
parent | d5477a8db8134c481ad7b4b745f6defa119253e1 (diff) |
nfsd4: share common stid-hashing helper function
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r-- | fs/nfsd/nfs4state.c | 15 |
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) | |||
218 | __nfs4_file_put_access(fp, oflag); | 218 | __nfs4_file_put_access(fp, oflag); |
219 | } | 219 | } |
220 | 220 | ||
221 | static inline void hash_stid(struct nfs4_stid *stid) | ||
222 | { | ||
223 | stateid_t *s = &stid->sc_stateid; | ||
224 | unsigned int hashval; | ||
225 | |||
226 | hashval = stateid_hashval(s->si_stateownerid, s->si_fileid); | ||
227 | list_add(&stid->sc_hash, &stateid_hashtbl[hashval]); | ||
228 | } | ||
229 | |||
221 | static struct nfs4_delegation * | 230 | static struct nfs4_delegation * |
222 | alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct svc_fh *current_fh, u32 type) | 231 | alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct svc_fh *current_fh, u32 type) |
223 | { | 232 | { |
@@ -2316,10 +2325,8 @@ alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, str | |||
2316 | static inline void | 2325 | static inline void |
2317 | init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_file *fp, struct nfsd4_open *open) { | 2326 | init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_file *fp, struct nfsd4_open *open) { |
2318 | struct nfs4_openowner *oo = open->op_openowner; | 2327 | struct nfs4_openowner *oo = open->op_openowner; |
2319 | unsigned int hashval = stateid_hashval(oo->oo_owner.so_id, fp->fi_id); | ||
2320 | 2328 | ||
2321 | INIT_LIST_HEAD(&stp->st_lockowners); | 2329 | INIT_LIST_HEAD(&stp->st_lockowners); |
2322 | list_add(&stp->st_stid.sc_hash, &stateid_hashtbl[hashval]); | ||
2323 | list_add(&stp->st_perstateowner, &oo->oo_owner.so_stateids); | 2330 | list_add(&stp->st_perstateowner, &oo->oo_owner.so_stateids); |
2324 | list_add(&stp->st_perfile, &fp->fi_stateids); | 2331 | list_add(&stp->st_perfile, &fp->fi_stateids); |
2325 | stp->st_stid.sc_type = NFS4_OPEN_STID; | 2332 | 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 | |||
2331 | stp->st_stid.sc_stateid.si_fileid = fp->fi_id; | 2338 | stp->st_stid.sc_stateid.si_fileid = fp->fi_id; |
2332 | /* note will be incremented before first return to client: */ | 2339 | /* note will be incremented before first return to client: */ |
2333 | stp->st_stid.sc_stateid.si_generation = 0; | 2340 | stp->st_stid.sc_stateid.si_generation = 0; |
2341 | hash_stid(&stp->st_stid); | ||
2334 | stp->st_access_bmap = 0; | 2342 | stp->st_access_bmap = 0; |
2335 | stp->st_deny_bmap = 0; | 2343 | stp->st_deny_bmap = 0; |
2336 | __set_bit(open->op_share_access & ~NFS4_SHARE_WANT_MASK, | 2344 | __set_bit(open->op_share_access & ~NFS4_SHARE_WANT_MASK, |
@@ -3866,12 +3874,10 @@ static struct nfs4_ol_stateid * | |||
3866 | alloc_init_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp, struct nfs4_ol_stateid *open_stp) | 3874 | alloc_init_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp, struct nfs4_ol_stateid *open_stp) |
3867 | { | 3875 | { |
3868 | struct nfs4_ol_stateid *stp; | 3876 | struct nfs4_ol_stateid *stp; |
3869 | unsigned int hashval = stateid_hashval(lo->lo_owner.so_id, fp->fi_id); | ||
3870 | 3877 | ||
3871 | stp = nfs4_alloc_stateid(); | 3878 | stp = nfs4_alloc_stateid(); |
3872 | if (stp == NULL) | 3879 | if (stp == NULL) |
3873 | goto out; | 3880 | goto out; |
3874 | list_add(&stp->st_stid.sc_hash, &stateid_hashtbl[hashval]); | ||
3875 | list_add(&stp->st_perfile, &fp->fi_stateids); | 3881 | list_add(&stp->st_perfile, &fp->fi_stateids); |
3876 | list_add(&stp->st_perstateowner, &lo->lo_owner.so_stateids); | 3882 | list_add(&stp->st_perstateowner, &lo->lo_owner.so_stateids); |
3877 | stp->st_stateowner = &lo->lo_owner; | 3883 | stp->st_stateowner = &lo->lo_owner; |
@@ -3883,6 +3889,7 @@ alloc_init_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp, struct | |||
3883 | stp->st_stid.sc_stateid.si_fileid = fp->fi_id; | 3889 | stp->st_stid.sc_stateid.si_fileid = fp->fi_id; |
3884 | /* note will be incremented before first return to client: */ | 3890 | /* note will be incremented before first return to client: */ |
3885 | stp->st_stid.sc_stateid.si_generation = 0; | 3891 | stp->st_stid.sc_stateid.si_generation = 0; |
3892 | hash_stid(&stp->st_stid); | ||
3886 | stp->st_access_bmap = 0; | 3893 | stp->st_access_bmap = 0; |
3887 | stp->st_deny_bmap = open_stp->st_deny_bmap; | 3894 | stp->st_deny_bmap = open_stp->st_deny_bmap; |
3888 | stp->st_openstp = open_stp; | 3895 | stp->st_openstp = open_stp; |