Fix up nfs4_do_handle_exception() so that it can check if the operation
that received the NFS4ERR_BAD_STATEID was using a defunct delegation.
Apply that to the case of SETATTR, which will currently return EIO
in some cases where this happens.
Reported-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/nfs4_fs.h | 1 +
fs/nfs/nfs4proc.c | 79 ++++++++++++++++++++++++++++++++-----------------------
2 files changed, 47 insertions(+), 33 deletions(-)
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 768456fa1b17..4be567a54958 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -185,6 +185,7 @@ struct nfs4_state {
struct nfs4_exception {
struct nfs4_state *state;
struct inode *inode;
+ nfs4_stateid *stateid;
long timeout;
unsigned char delay : 1,
recovering : 1,
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6191b7e46913..519368b98762 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -363,6 +363,7 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
{
struct nfs_client *clp = server->nfs_client;
struct nfs4_state *state = exception->state;
+ const nfs4_stateid *stateid = exception->stateid;
struct inode *inode = exception->inode;
int ret = errorcode;
@@ -376,9 +377,18 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_BAD_STATEID:
- if (inode && nfs_async_inode_return_delegation(inode,
- NULL) == 0)
- goto wait_on_recovery;
+ if (inode) {
+ int err;
+
+ err = nfs_async_inode_return_delegation(inode,
+ stateid);
+ if (err == 0)
+ goto wait_on_recovery;
+ if (stateid != NULL && stateid->type == NFS4_DELEGATION_STATEID_TYPE) {
+ exception->retry = 1;
+ break;
+ }
+ }
if (state == NULL)
break;
ret = nfs4_schedule_stateid_recovery(server, state);
@@ -2669,28 +2679,17 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
return res;
}
-static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
- struct nfs_fattr *fattr, struct iattr *sattr,
- struct nfs4_state *state, struct nfs4_label *ilabel,
- struct nfs4_label *olabel)
+static int _nfs4_do_setattr(struct inode *inode,
+ struct nfs_setattrargs *arg,
+ struct nfs_setattrres *res,
+ struct rpc_cred *cred,
+ struct nfs4_state *state)
{
struct nfs_server *server = NFS_SERVER(inode);
- struct nfs_setattrargs arg = {
- .fh = NFS_FH(inode),
- .iap = sattr,
- .server = server,
- .bitmask = server->attr_bitmask,
- .label = ilabel,
- };
- struct nfs_setattrres res = {
- .fattr = fattr,
- .label = olabel,
- .server = server,
- };
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SETATTR],
- .rpc_argp = &arg,
- .rpc_resp = &res,
+ .rpc_argp = arg,
+ .rpc_resp = res,
.rpc_cred = cred,
};
struct rpc_cred *delegation_cred = NULL;
@@ -2699,17 +2698,13 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
bool truncate;
int status;
- arg.bitmask = nfs4_bitmask(server, ilabel);
- if (ilabel)
- arg.bitmask = nfs4_bitmask(server, olabel);
-
- nfs_fattr_init(fattr);
+ nfs_fattr_init(res->fattr);
/* Servers should only apply open mode checks for file size changes */
- truncate = (sattr->ia_valid & ATTR_SIZE) ? true : false;
+ truncate = (arg->iap->ia_valid & ATTR_SIZE) ? true : false;
fmode = truncate ? FMODE_WRITE : FMODE_READ;
- if (nfs4_copy_delegation_stateid(inode, fmode, &arg.stateid, &delegation_cred)) {
+ if (nfs4_copy_delegation_stateid(inode, fmode, &arg->stateid, &delegation_cred)) {
/* Use that stateid */
} else if (truncate && state != NULL) {
struct nfs_lockowner lockowner = {
@@ -2719,19 +2714,19 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
if (!nfs4_valid_open_stateid(state))
return -EBADF;
if (nfs4_select_rw_stateid(state, FMODE_WRITE, &lockowner,
- &arg.stateid, &delegation_cred) == -EIO)
+ &arg->stateid, &delegation_cred) == -EIO)
return -EBADF;
} else
- nfs4_stateid_copy(&arg.stateid, &zero_stateid);
+ nfs4_stateid_copy(&arg->stateid, &zero_stateid);
if (delegation_cred)
msg.rpc_cred = delegation_cred;
- status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
+ status = nfs4_call_sync(server->client, server, &msg, &arg->seq_args, &res->seq_res, 1);
put_rpccred(delegation_cred);
if (status == 0 && state != NULL)
renew_lease(server, timestamp);
- trace_nfs4_setattr(inode, &arg.stateid, status);
+ trace_nfs4_setattr(inode, &arg->stateid, status);
return status;
}
@@ -2741,13 +2736,31 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs4_label *olabel)
{
struct nfs_server *server = NFS_SERVER(inode);
+ struct nfs_setattrargs arg = {
+ .fh = NFS_FH(inode),
+ .iap = sattr,
+ .server = server,
+ .bitmask = server->attr_bitmask,
+ .label = ilabel,
+ };
+ struct nfs_setattrres res = {
+ .fattr = fattr,
+ .label = olabel,
+ .server = server,
+ };
struct nfs4_exception exception = {
.state = state,
.inode = inode,
+ .stateid = &arg.stateid,
};
int err;
+
+ arg.bitmask = nfs4_bitmask(server, ilabel);
+ if (ilabel)
+ arg.bitmask = nfs4_bitmask(server, olabel);
+
do {
- err = _nfs4_do_setattr(inode, cred, fattr, sattr, state, ilabel, olabel);
+ err = _nfs4_do_setattr(inode, &arg, &res, cred, state);
switch (err) {
case -NFS4ERR_OPENMODE:
if (!(sattr->ia_valid & ATTR_SIZE)) {
--
2.7.4
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