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Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c113
1 files changed, 50 insertions, 63 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 8c77039e7a8..d2ae413c986 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -73,9 +73,6 @@ static int _nfs4_proc_open(struct nfs4_opendata *data);
static int _nfs4_recover_proc_open(struct nfs4_opendata *data);
static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *, struct nfs4_state *);
-static int _nfs4_proc_lookup(struct rpc_clnt *client, struct inode *dir,
- const struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr);
static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs_fattr *fattr, struct iattr *sattr,
@@ -753,9 +750,9 @@ static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo)
spin_lock(&dir->i_lock);
nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA;
- if (!cinfo->atomic || cinfo->before != nfsi->change_attr)
+ if (!cinfo->atomic || cinfo->before != dir->i_version)
nfs_force_lookup_revalidate(dir);
- nfsi->change_attr = cinfo->after;
+ dir->i_version = cinfo->after;
spin_unlock(&dir->i_lock);
}
@@ -1596,8 +1593,14 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
int status;
status = nfs4_run_open_task(data, 0);
- if (status != 0 || !data->rpc_done)
+ if (!data->rpc_done)
+ return status;
+ if (status != 0) {
+ if (status == -NFS4ERR_BADNAME &&
+ !(o_arg->open_flags & O_CREAT))
+ return -ENOENT;
return status;
+ }
if (o_arg->open_flags & O_CREAT) {
update_changeattr(dir, &o_res->cinfo);
@@ -2408,14 +2411,15 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
return status;
}
-static int _nfs4_proc_lookupfh(struct rpc_clnt *clnt, struct nfs_server *server,
- const struct nfs_fh *dirfh, const struct qstr *name,
- struct nfs_fh *fhandle, struct nfs_fattr *fattr)
+static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
+ const struct qstr *name, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr)
{
+ struct nfs_server *server = NFS_SERVER(dir);
int status;
struct nfs4_lookup_arg args = {
.bitmask = server->attr_bitmask,
- .dir_fh = dirfh,
+ .dir_fh = NFS_FH(dir),
.name = name,
};
struct nfs4_lookup_res res = {
@@ -2431,40 +2435,8 @@ static int _nfs4_proc_lookupfh(struct rpc_clnt *clnt, struct nfs_server *server,
nfs_fattr_init(fattr);
- dprintk("NFS call lookupfh %s\n", name->name);
- status = nfs4_call_sync(clnt, server, &msg, &args.seq_args, &res.seq_res, 0);
- dprintk("NFS reply lookupfh: %d\n", status);
- return status;
-}
-
-static int nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
- struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
-{
- struct nfs4_exception exception = { };
- int err;
- do {
- err = _nfs4_proc_lookupfh(server->client, server, dirfh, name, fhandle, fattr);
- /* FIXME: !!!! */
- if (err == -NFS4ERR_MOVED) {
- err = -EREMOTE;
- break;
- }
- err = nfs4_handle_exception(server, err, &exception);
- } while (exception.retry);
- return err;
-}
-
-static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
- const struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
-{
- int status;
-
dprintk("NFS call lookup %s\n", name->name);
- status = _nfs4_proc_lookupfh(clnt, NFS_SERVER(dir), NFS_FH(dir), name, fhandle, fattr);
- if (status == -NFS4ERR_MOVED)
- status = nfs4_get_referral(dir, name, fattr, fhandle);
+ status = nfs4_call_sync(clnt, server, &msg, &args.seq_args, &res.seq_res, 0);
dprintk("NFS reply lookup: %d\n", status);
return status;
}
@@ -2485,11 +2457,20 @@ static int nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qst
struct nfs4_exception exception = { };
int err;
do {
- err = nfs4_handle_exception(NFS_SERVER(dir),
- _nfs4_proc_lookup(clnt, dir, name, fhandle, fattr),
- &exception);
- if (err == -EPERM)
+ int status;
+
+ status = _nfs4_proc_lookup(clnt, dir, name, fhandle, fattr);
+ switch (status) {
+ case -NFS4ERR_BADNAME:
+ return -ENOENT;
+ case -NFS4ERR_MOVED:
+ err = nfs4_get_referral(dir, name, fattr, fhandle);
+ break;
+ case -NFS4ERR_WRONGSEC:
nfs_fixup_secinfo_attributes(fattr, fhandle);
+ }
+ err = nfs4_handle_exception(NFS_SERVER(dir),
+ status, &exception);
} while (exception.retry);
return err;
}
@@ -3210,7 +3191,7 @@ static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_read_data *data)
struct nfs_server *server = NFS_SERVER(data->inode);
if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
- nfs_restart_rpc(task, server->nfs_client);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
@@ -3260,7 +3241,7 @@ static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_write_data *data
struct inode *inode = data->inode;
if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
- nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
if (task->tk_status >= 0) {
@@ -3317,7 +3298,7 @@ static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_write_data *dat
struct inode *inode = data->inode;
if (nfs4_async_handle_error(task, NFS_SERVER(inode), NULL) == -EAGAIN) {
- nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+ rpc_restart_call_prepare(task);
return -EAGAIN;
}
nfs_refresh_inode(inode, data->res.fattr);
@@ -3374,9 +3355,13 @@ static void nfs4_renew_done(struct rpc_task *task, void *calldata)
if (task->tk_status < 0) {
/* Unless we're shutting down, schedule state recovery! */
- if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) != 0)
+ if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) == 0)
+ return;
+ if (task->tk_status != NFS4ERR_CB_PATH_DOWN) {
nfs4_schedule_lease_recovery(clp);
- return;
+ return;
+ }
+ nfs4_schedule_path_down_recovery(clp);
}
do_renew_lease(clp, timestamp);
}
@@ -3386,7 +3371,7 @@ static const struct rpc_call_ops nfs4_renew_ops = {
.rpc_release = nfs4_renew_release,
};
-int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
+static int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred, unsigned renew_flags)
{
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW],
@@ -3395,9 +3380,11 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
};
struct nfs4_renewdata *data;
+ if (renew_flags == 0)
+ return 0;
if (!atomic_inc_not_zero(&clp->cl_count))
return -EIO;
- data = kmalloc(sizeof(*data), GFP_KERNEL);
+ data = kmalloc(sizeof(*data), GFP_NOFS);
if (data == NULL)
return -ENOMEM;
data->client = clp;
@@ -3406,7 +3393,7 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
&nfs4_renew_ops, data);
}
-int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
+static int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
{
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW],
@@ -3851,7 +3838,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
default:
if (nfs4_async_handle_error(task, data->res.server, NULL) ==
-EAGAIN) {
- nfs_restart_rpc(task, data->res.server->nfs_client);
+ rpc_restart_call_prepare(task);
return;
}
}
@@ -4105,8 +4092,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
break;
default:
if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
- nfs_restart_rpc(task,
- calldata->server->nfs_client);
+ rpc_restart_call_prepare(task);
}
}
@@ -4939,7 +4925,7 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata)
task->tk_status = 0;
/* fall through */
case -NFS4ERR_RETRY_UNCACHED_REP:
- nfs_restart_rpc(task, data->clp);
+ rpc_restart_call_prepare(task);
return;
}
dprintk("<-- %s\n", __func__);
@@ -5504,11 +5490,13 @@ static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_
return rpc_run_task(&task_setup_data);
}
-static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cred)
+static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cred, unsigned renew_flags)
{
struct rpc_task *task;
int ret = 0;
+ if ((renew_flags & NFS4_RENEW_TIMEOUT) == 0)
+ return 0;
task = _nfs41_proc_sequence(clp, cred);
if (IS_ERR(task))
ret = PTR_ERR(task);
@@ -5778,7 +5766,7 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata)
server = NFS_SERVER(lrp->args.inode);
if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
- nfs_restart_rpc(task, lrp->clp);
+ rpc_restart_call_prepare(task);
return;
}
spin_lock(&lo->plh_inode->i_lock);
@@ -5949,7 +5937,7 @@ nfs4_layoutcommit_done(struct rpc_task *task, void *calldata)
}
if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
- nfs_restart_rpc(task, server->nfs_client);
+ rpc_restart_call_prepare(task);
return;
}
@@ -6262,7 +6250,6 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
.getroot = nfs4_proc_get_root,
.getattr = nfs4_proc_getattr,
.setattr = nfs4_proc_setattr,
- .lookupfh = nfs4_proc_lookupfh,
.lookup = nfs4_proc_lookup,
.access = nfs4_proc_access,
.readlink = nfs4_proc_readlink,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 05:28:45 +0000