[PATCH v2 05/10] NFSD return nfs4_stid in nfs4_preprocess_stateid_op

Olga Kornievskaia
2018-11-30T20:04:03Z

Needed for copy to add nfs4_cp_state to the nfs4_stid.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
---
fs/nfsd/nfs4proc.c | 17 ++++++++++-------
fs/nfsd/nfs4state.c | 8 ++++++--
fs/nfsd/state.h | 3 ++-
3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index d505990..0152b34 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -781,7 +781,8 @@ static __be32 nfsd4_do_lookupp(struct svc_rqst *rqstp, struct svc_fh *fh)
/* check stateid */
status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh,
&read->rd_stateid, RD_STATE,
- &read->rd_filp, &read->rd_tmp_file);
+ &read->rd_filp, &read->rd_tmp_file,
+ NULL);
if (status) {
dprintk("NFSD: nfsd4_read: couldn't process stateid!\n");
goto out;
@@ -954,7 +955,7 @@ static __be32 nfsd4_do_lookupp(struct svc_rqst *rqstp, struct svc_fh *fh)
if (setattr->sa_iattr.ia_valid & ATTR_SIZE) {
status = nfs4_preprocess_stateid_op(rqstp, cstate,
&cstate->current_fh, &setattr->sa_stateid,
- WR_STATE, NULL, NULL);
+ WR_STATE, NULL, NULL, NULL);
if (status) {
dprintk("NFSD: nfsd4_setattr: couldn't process stateid!\n");
return status;
@@ -1005,7 +1006,7 @@ static __be32 nfsd4_do_lookupp(struct svc_rqst *rqstp, struct svc_fh *fh)
trace_nfsd_write_start(rqstp, &cstate->current_fh,
write->wr_offset, cnt);
status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh,
- stateid, WR_STATE, &filp, NULL);
+ stateid, WR_STATE, &filp, NULL, NULL);
if (status) {
dprintk("NFSD: nfsd4_write: couldn't process stateid!\n");
return status;
@@ -1042,14 +1043,16 @@ static __be32 nfsd4_do_lookupp(struct svc_rqst *rqstp, struct svc_fh *fh)
return nfserr_nofilehandle;

status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->save_fh,
- src_stateid, RD_STATE, src, NULL);
+ src_stateid, RD_STATE, src, NULL,
+ NULL);
if (status) {
dprintk("NFSD: %s: couldn't process src stateid!\n", __func__);
goto out;
}

status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh,
- dst_stateid, WR_STATE, dst, NULL);
+ dst_stateid, WR_STATE, dst, NULL,
+ NULL);
if (status) {
dprintk("NFSD: %s: couldn't process dst stateid!\n", __func__);
goto out_put_src;
@@ -1353,7 +1356,7 @@ struct nfsd4_copy *

status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh,
&fallocate->falloc_stateid,
- WR_STATE, &file, NULL);
+ WR_STATE, &file, NULL, NULL);
if (status != nfs_ok) {
dprintk("NFSD: nfsd4_fallocate: couldn't process stateid!\n");
return status;
@@ -1412,7 +1415,7 @@ struct nfsd4_copy *

status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh,
&seek->seek_stateid,
- RD_STATE, &file, NULL);
+ RD_STATE, &file, NULL, NULL);
if (status) {
dprintk("NFSD: nfsd4_seek: couldn't process stateid!\n");
return status;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f093fbe..be3e967 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5158,7 +5158,8 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid)
__be32
nfs4_preprocess_stateid_op(struct svc_rqst *rqstp,
struct nfsd4_compound_state *cstate, struct svc_fh *fhp,
- stateid_t *stateid, int flags, struct file **filpp, bool *tmp_file)
+ stateid_t *stateid, int flags, struct file **filpp,
+ bool *tmp_file, struct nfs4_stid **cstid)
{
struct inode *ino = d_inode(fhp->fh_dentry);
struct net *net = SVC_NET(rqstp);
@@ -5209,8 +5210,11 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid)
if (!status && filpp)
status = nfs4_check_file(rqstp, fhp, s, filpp, tmp_file, flags);
out:
- if (s)
+ if (s) {
+ if (!status && cstid)
+ *cstid = s;
nfs4_put_stid(s);
+ }
return status;
}

diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 6aacb32..304de3b 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -606,7 +606,8 @@ struct nfsd4_blocked_lock {

extern __be32 nfs4_preprocess_stateid_op(struct svc_rqst *rqstp,
struct nfsd4_compound_state *cstate, struct svc_fh *fhp,
- stateid_t *stateid, int flags, struct file **filp, bool *tmp_file);
+ stateid_t *stateid, int flags, struct file **filp,
+ bool *tmp_file, struct nfs4_stid **cstid);
__be32 nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate,
stateid_t *stateid, unsigned char typemask,
struct nfs4_stid **s, struct nfsd_net *nn);
--
1.8.3.1