On Fri, Sep 15, 2017 at 04:06:29PM -0400, J. Bruce Fields wrote:
> By the way, I think the current check in nfsd4_savefh is redundant; we
> can probably apply something like the following. (Untested.)
Fixed and tested version for 4.15.
--b.
commit 6eb90459308b
Author: J. Bruce Fields <bfields@xxxxxxxxxx>
Date: Fri Sep 15 16:02:52 2017 -0400
nfsd: remove unnecessary nofilehandle checks
These checks should have already be done centrally in
nfsd4_proc_compound, the checks in each individual operation are
unnecessary.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 3c69db7d4905..7aff6d383d34 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -485,9 +485,6 @@ static __be32
nfsd4_getfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
union nfsd4_op_u *u)
{
- if (!cstate->current_fh.fh_dentry)
- return nfserr_nofilehandle;
-
u->getfh = &cstate->current_fh;
return nfs_ok;
}
@@ -535,9 +532,6 @@ static __be32
nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
union nfsd4_op_u *u)
{
- if (!cstate->current_fh.fh_dentry)
- return nfserr_nofilehandle;
-
fh_dup2(&cstate->save_fh, &cstate->current_fh);
if (HAS_STATE_ID(cstate, CURRENT_STATE_ID_FLAG)) {
memcpy(&cstate->save_stateid, &cstate->current_stateid, sizeof(stateid_t));
@@ -703,10 +697,8 @@ nfsd4_link(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
union nfsd4_op_u *u)
{
struct nfsd4_link *link = &u->link;
- __be32 status = nfserr_nofilehandle;
+ __be32 status;
- if (!cstate->save_fh.fh_dentry)
- return status;
status = nfsd_link(rqstp, &cstate->current_fh,
link->li_name, link->li_namelen, &cstate->save_fh);
if (!status)
@@ -850,10 +842,8 @@ nfsd4_rename(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
union nfsd4_op_u *u)
{
struct nfsd4_rename *rename = &u->rename;
- __be32 status = nfserr_nofilehandle;
+ __be32 status;
- if (!cstate->save_fh.fh_dentry)
- return status;
if (opens_in_grace(SVC_NET(rqstp)) &&
!(cstate->save_fh.fh_export->ex_flags & NFSEXP_NOSUBTREECHECK))
return nfserr_grace;
--
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