dput(p->dentry);
nfs_sb_deactive(sb);
nfs_fattr_free_names(&p->f_attr);
+ kfree(p->f_attr.mdsthreshold);
kfree(p);
}
nfs4_state_set_mode_locked(state, state->state | fmode);
}
-static void nfs_set_open_stateid_locked(struct nfs4_state *state, nfs4_stateid *stateid, fmode_t fmode)
+static void nfs_test_and_clear_all_open_stateid(struct nfs4_state *state)
+{
+ struct nfs_client *clp = state->owner->so_server->nfs_client;
+ bool need_recover = false;
+
+ if (test_and_clear_bit(NFS_O_RDONLY_STATE, &state->flags) && state->n_rdonly)
+ need_recover = true;
+ if (test_and_clear_bit(NFS_O_WRONLY_STATE, &state->flags) && state->n_wronly)
+ need_recover = true;
+ if (test_and_clear_bit(NFS_O_RDWR_STATE, &state->flags) && state->n_rdwr)
+ need_recover = true;
+ if (need_recover)
+ nfs4_state_mark_reclaim_nograce(clp, state);
+}
+
+static bool nfs_need_update_open_stateid(struct nfs4_state *state,
+ nfs4_stateid *stateid)
+{
+ if (test_and_set_bit(NFS_OPEN_STATE, &state->flags) == 0)
+ return true;
+ if (!nfs4_stateid_match_other(stateid, &state->open_stateid)) {
+ nfs_test_and_clear_all_open_stateid(state);
+ return true;
+ }
+ if (nfs4_stateid_is_newer(stateid, &state->open_stateid))
+ return true;
+ return false;
+}
+
+static void nfs_clear_open_stateid_locked(struct nfs4_state *state,
+ nfs4_stateid *stateid, fmode_t fmode)
{
+ clear_bit(NFS_O_RDWR_STATE, &state->flags);
+ switch (fmode & (FMODE_READ|FMODE_WRITE)) {
+ case FMODE_WRITE:
+ clear_bit(NFS_O_RDONLY_STATE, &state->flags);
+ break;
+ case FMODE_READ:
+ clear_bit(NFS_O_WRONLY_STATE, &state->flags);
+ break;
+ case 0:
+ clear_bit(NFS_O_RDONLY_STATE, &state->flags);
+ clear_bit(NFS_O_WRONLY_STATE, &state->flags);
+ clear_bit(NFS_OPEN_STATE, &state->flags);
+ }
+ if (stateid == NULL)
+ return;
+ if (!nfs_need_update_open_stateid(state, stateid))
+ return;
if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0)
nfs4_stateid_copy(&state->stateid, stateid);
nfs4_stateid_copy(&state->open_stateid, stateid);
- set_bit(NFS_OPEN_STATE, &state->flags);
+}
+
+static void nfs_clear_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid, fmode_t fmode)
+{
+ write_seqlock(&state->seqlock);
+ nfs_clear_open_stateid_locked(state, stateid, fmode);
+ write_sequnlock(&state->seqlock);
+ if (test_bit(NFS_STATE_RECLAIM_NOGRACE, &state->flags))
+ nfs4_schedule_state_manager(state->owner->so_server->nfs_client);
+}
+
+static void nfs_set_open_stateid_locked(struct nfs4_state *state, nfs4_stateid *stateid, fmode_t fmode)
+{
switch (fmode) {
case FMODE_READ:
set_bit(NFS_O_RDONLY_STATE, &state->flags);
case FMODE_READ|FMODE_WRITE:
set_bit(NFS_O_RDWR_STATE, &state->flags);
}
-}
-
-static void nfs_set_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid, fmode_t fmode)
-{
- write_seqlock(&state->seqlock);
- nfs_set_open_stateid_locked(state, stateid, fmode);
- write_sequnlock(&state->seqlock);
+ if (!nfs_need_update_open_stateid(state, stateid))
+ return;
+ if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0)
+ nfs4_stateid_copy(&state->stateid, stateid);
+ nfs4_stateid_copy(&state->open_stateid, stateid);
}
static void __update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_stateid, const nfs4_stateid *deleg_stateid, fmode_t fmode)
__update_open_stateid(state, open_stateid, NULL, fmode);
ret = 1;
}
+ if (test_bit(NFS_STATE_RECLAIM_NOGRACE, &state->flags))
+ nfs4_schedule_state_manager(state->owner->so_server->nfs_client);
return ret;
}
struct nfs4_state *newstate;
int ret;
+ /* Don't trigger recovery in nfs_test_and_clear_all_open_stateid */
+ clear_bit(NFS_O_RDWR_STATE, &state->flags);
+ clear_bit(NFS_O_WRONLY_STATE, &state->flags);
+ clear_bit(NFS_O_RDONLY_STATE, &state->flags);
/* memory barrier prior to reading state->n_* */
clear_bit(NFS_DELEGATED_STATE, &state->flags);
clear_bit(NFS_OPEN_STATE, &state->flags);
smp_rmb();
if (state->n_rdwr != 0) {
- clear_bit(NFS_O_RDWR_STATE, &state->flags);
ret = nfs4_open_recover_helper(opendata, FMODE_READ|FMODE_WRITE, &newstate);
if (ret != 0)
return ret;
return -ESTALE;
}
if (state->n_wronly != 0) {
- clear_bit(NFS_O_WRONLY_STATE, &state->flags);
ret = nfs4_open_recover_helper(opendata, FMODE_WRITE, &newstate);
if (ret != 0)
return ret;
return -ESTALE;
}
if (state->n_rdonly != 0) {
- clear_bit(NFS_O_RDONLY_STATE, &state->flags);
ret = nfs4_open_recover_helper(opendata, FMODE_READ, &newstate);
if (ret != 0)
return ret;
}
}
- if (ctx_th && server->attr_bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD) {
- opendata->f_attr.mdsthreshold = pnfs_mdsthreshold_alloc();
- if (!opendata->f_attr.mdsthreshold)
- goto err_free_label;
+ if (server->attr_bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD) {
+ if (!opendata->f_attr.mdsthreshold) {
+ opendata->f_attr.mdsthreshold = pnfs_mdsthreshold_alloc();
+ if (!opendata->f_attr.mdsthreshold)
+ goto err_free_label;
+ }
opendata->o_arg.open_bitmap = &nfs4_pnfs_open_bitmap[0];
}
if (dentry->d_inode != NULL)
if (opendata->file_created)
*opened |= FILE_CREATED;
- if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server))
+ if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server)) {
*ctx_th = opendata->f_attr.mdsthreshold;
- else
- kfree(opendata->f_attr.mdsthreshold);
- opendata->f_attr.mdsthreshold = NULL;
+ opendata->f_attr.mdsthreshold = NULL;
+ }
nfs4_label_free(olabel);
err_free_label:
nfs4_label_free(olabel);
err_opendata_put:
- kfree(opendata->f_attr.mdsthreshold);
nfs4_opendata_put(opendata);
err_put_state_owner:
nfs4_put_state_owner(sp);
kfree(calldata);
}
-static void nfs4_close_clear_stateid_flags(struct nfs4_state *state,
- fmode_t fmode)
-{
- spin_lock(&state->owner->so_lock);
- clear_bit(NFS_O_RDWR_STATE, &state->flags);
- switch (fmode & (FMODE_READ|FMODE_WRITE)) {
- case FMODE_WRITE:
- clear_bit(NFS_O_RDONLY_STATE, &state->flags);
- break;
- case FMODE_READ:
- clear_bit(NFS_O_WRONLY_STATE, &state->flags);
- break;
- case 0:
- clear_bit(NFS_O_RDONLY_STATE, &state->flags);
- clear_bit(NFS_O_WRONLY_STATE, &state->flags);
- clear_bit(NFS_OPEN_STATE, &state->flags);
- }
- spin_unlock(&state->owner->so_lock);
-}
-
static void nfs4_close_done(struct rpc_task *task, void *data)
{
struct nfs4_closedata *calldata = data;
if (calldata->roc)
pnfs_roc_set_barrier(state->inode,
calldata->roc_barrier);
- nfs_set_open_stateid(state, &calldata->res.stateid, 0);
+ nfs_clear_open_stateid(state, &calldata->res.stateid, 0);
renew_lease(server, calldata->timestamp);
- break;
+ goto out_release;
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_OLD_STATEID:
goto out_release;
}
}
- nfs4_close_clear_stateid_flags(state, calldata->arg.fmode);
+ nfs_clear_open_stateid(state, NULL, calldata->arg.fmode);
out_release:
nfs_release_seqid(calldata->arg.seqid);
nfs_refresh_inode(calldata->inode, calldata->res.fattr);
return 1;
}
-static int _nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
- struct inode *new_dir, struct qstr *new_name)
-{
- struct nfs_server *server = NFS_SERVER(old_dir);
- struct nfs_renameargs arg = {
- .old_dir = NFS_FH(old_dir),
- .new_dir = NFS_FH(new_dir),
- .old_name = old_name,
- .new_name = new_name,
- };
- struct nfs_renameres res = {
- .server = server,
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENAME],
- .rpc_argp = &arg,
- .rpc_resp = &res,
- };
- int status = -ENOMEM;
-
- status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
- if (!status) {
- update_changeattr(old_dir, &res.old_cinfo);
- update_changeattr(new_dir, &res.new_cinfo);
- }
- return status;
-}
-
-static int nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
- struct inode *new_dir, struct qstr *new_name)
-{
- struct nfs4_exception exception = { };
- int err;
- do {
- err = _nfs4_proc_rename(old_dir, old_name,
- new_dir, new_name);
- trace_nfs4_rename(old_dir, old_name, new_dir, new_name, err);
- err = nfs4_handle_exception(NFS_SERVER(old_dir), err,
- &exception);
- } while (exception.retry);
- return err;
-}
-
static int _nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
{
struct nfs_server *server = NFS_SERVER(inode);
}
static bool nfs4_read_stateid_changed(struct rpc_task *task,
- struct nfs_readargs *args)
+ struct nfs_pgio_args *args)
{
if (!nfs4_error_stateid_expired(task->tk_status) ||
}
static bool nfs4_write_stateid_changed(struct rpc_task *task,
- struct nfs_writeargs *args)
+ struct nfs_pgio_args *args)
{
if (!nfs4_error_stateid_expired(task->tk_status) ||
nodename);
}
+/*
+ * nfs4_callback_up_net() starts only "tcp" and "tcp6" callback
+ * services. Advertise one based on the address family of the
+ * clientaddr.
+ */
+static unsigned int
+nfs4_init_callback_netid(const struct nfs_client *clp, char *buf, size_t len)
+{
+ if (strchr(clp->cl_ipaddr, ':') != NULL)
+ return scnprintf(buf, len, "tcp6");
+ else
+ return scnprintf(buf, len, "tcp");
+}
+
/**
* nfs4_proc_setclientid - Negotiate client ID
* @clp: state data structure
setclientid.sc_name,
sizeof(setclientid.sc_name));
/* cb_client4 */
- rcu_read_lock();
- setclientid.sc_netid_len = scnprintf(setclientid.sc_netid,
- sizeof(setclientid.sc_netid), "%s",
- rpc_peeraddr2str(clp->cl_rpcclient,
- RPC_DISPLAY_NETID));
- rcu_read_unlock();
+ setclientid.sc_netid_len =
+ nfs4_init_callback_netid(clp,
+ setclientid.sc_netid,
+ sizeof(setclientid.sc_netid));
setclientid.sc_uaddr_len = scnprintf(setclientid.sc_uaddr,
sizeof(setclientid.sc_uaddr), "%s.%u.%u",
clp->cl_ipaddr, port >> 8, port & 255);
.unlink_setup = nfs4_proc_unlink_setup,
.unlink_rpc_prepare = nfs4_proc_unlink_rpc_prepare,
.unlink_done = nfs4_proc_unlink_done,
- .rename = nfs4_proc_rename,
.rename_setup = nfs4_proc_rename_setup,
.rename_rpc_prepare = nfs4_proc_rename_rpc_prepare,
.rename_done = nfs4_proc_rename_done,
.set_capabilities = nfs4_server_capabilities,
.decode_dirent = nfs4_decode_dirent,
.read_setup = nfs4_proc_read_setup,
- .read_pageio_init = pnfs_pageio_init_read,
.read_rpc_prepare = nfs4_proc_read_rpc_prepare,
.read_done = nfs4_read_done,
.write_setup = nfs4_proc_write_setup,
- .write_pageio_init = pnfs_pageio_init_write,
.write_rpc_prepare = nfs4_proc_write_rpc_prepare,
.write_done = nfs4_write_done,
.commit_setup = nfs4_proc_commit_setup,
projects / firefly-linux-kernel-4.4.55.git / blobdiff