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-rw-r--r--fs/nfs/client.c2
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nfs/direct.c9
-rw-r--r--fs/nfs/inode.c45
-rw-r--r--fs/nfs/internal.h1
-rw-r--r--fs/nfs/nfs4proc.c18
-rw-r--r--fs/nfs/nfs4state.c8
-rw-r--r--fs/nfs/nfs4xdr.c2
-rw-r--r--fs/nfs/read.c16
-rw-r--r--fs/nfs/unlink.c2
-rw-r--r--fs/nfs/write.c63
11 files changed, 113 insertions, 55 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index c5c0175898f6..06f064d8fbbe 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -170,6 +170,8 @@ static void nfs4_shutdown_client(struct nfs_client *clp)
BUG_ON(!RB_EMPTY_ROOT(&clp->cl_state_owners));
if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state))
nfs_idmap_delete(clp);
+
+ rpc_destroy_wait_queue(&clp->cl_rpcwaitq);
#endif
}
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 6cea7479c5b4..d583654a0b39 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1966,7 +1966,7 @@ force_lookup:
if (!NFS_PROTO(inode)->access)
goto out_notsup;
- cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0);
+ cred = rpc_lookup_cred();
if (!IS_ERR(cred)) {
res = nfs_do_access(inode, cred, mask);
put_rpccred(cred);
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 16844f98f50e..e44200579c8d 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -280,6 +280,7 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq,
.rpc_client = NFS_CLIENT(inode),
.rpc_message = &msg,
.callback_ops = &nfs_read_direct_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
unsigned int pgbase;
@@ -323,7 +324,7 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq,
data->inode = inode;
data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(inode);
- data->args.context = ctx;
+ data->args.context = get_nfs_open_context(ctx);
data->args.offset = pos;
data->args.pgbase = pgbase;
data->args.pages = data->pagevec;
@@ -446,6 +447,7 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq)
struct rpc_task_setup task_setup_data = {
.rpc_client = NFS_CLIENT(inode),
.callback_ops = &nfs_write_direct_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
@@ -537,6 +539,7 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq)
.rpc_message = &msg,
.callback_ops = &nfs_commit_direct_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
@@ -546,6 +549,7 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq)
data->args.fh = NFS_FH(data->inode);
data->args.offset = 0;
data->args.count = 0;
+ data->args.context = get_nfs_open_context(dreq->ctx);
data->res.count = 0;
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;
@@ -682,6 +686,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq,
.rpc_client = NFS_CLIENT(inode),
.rpc_message = &msg,
.callback_ops = &nfs_write_direct_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
size_t wsize = NFS_SERVER(inode)->wsize;
@@ -728,7 +733,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq,
data->inode = inode;
data->cred = msg.rpc_cred;
data->args.fh = NFS_FH(inode);
- data->args.context = ctx;
+ data->args.context = get_nfs_open_context(ctx);
data->args.offset = pos;
data->args.pgbase = pgbase;
data->args.pages = data->pagevec;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index a4c7cf2bff3a..15f787355d27 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -522,8 +522,12 @@ struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx)
static void __put_nfs_open_context(struct nfs_open_context *ctx, int wait)
{
- struct inode *inode = ctx->path.dentry->d_inode;
+ struct inode *inode;
+ if (ctx == NULL)
+ return;
+
+ inode = ctx->path.dentry->d_inode;
if (!atomic_dec_and_lock(&ctx->count, &inode->i_lock))
return;
list_del(&ctx->list);
@@ -609,7 +613,7 @@ int nfs_open(struct inode *inode, struct file *filp)
struct nfs_open_context *ctx;
struct rpc_cred *cred;
- cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0);
+ cred = rpc_lookup_cred();
if (IS_ERR(cred))
return PTR_ERR(cred);
ctx = alloc_nfs_open_context(filp->f_path.mnt, filp->f_path.dentry, cred);
@@ -1217,6 +1221,36 @@ static void nfs_destroy_inodecache(void)
kmem_cache_destroy(nfs_inode_cachep);
}
+struct workqueue_struct *nfsiod_workqueue;
+
+/*
+ * start up the nfsiod workqueue
+ */
+static int nfsiod_start(void)
+{
+ struct workqueue_struct *wq;
+ dprintk("RPC: creating workqueue nfsiod\n");
+ wq = create_singlethread_workqueue("nfsiod");
+ if (wq == NULL)
+ return -ENOMEM;
+ nfsiod_workqueue = wq;
+ return 0;
+}
+
+/*
+ * Destroy the nfsiod workqueue
+ */
+static void nfsiod_stop(void)
+{
+ struct workqueue_struct *wq;
+
+ wq = nfsiod_workqueue;
+ if (wq == NULL)
+ return;
+ nfsiod_workqueue = NULL;
+ destroy_workqueue(wq);
+}
+
/*
* Initialize NFS
*/
@@ -1224,6 +1258,10 @@ static int __init init_nfs_fs(void)
{
int err;
+ err = nfsiod_start();
+ if (err)
+ goto out6;
+
err = nfs_fs_proc_init();
if (err)
goto out5;
@@ -1270,6 +1308,8 @@ out3:
out4:
nfs_fs_proc_exit();
out5:
+ nfsiod_stop();
+out6:
return err;
}
@@ -1285,6 +1325,7 @@ static void __exit exit_nfs_fs(void)
#endif
unregister_nfs_fs();
nfs_fs_proc_exit();
+ nfsiod_stop();
}
/* Not quite true; I just maintain it */
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 931992763e68..4c1122a13844 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -146,6 +146,7 @@ extern struct rpc_procinfo nfs4_procedures[];
extern int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask);
/* inode.c */
+extern struct workqueue_struct *nfsiod_workqueue;
extern struct inode *nfs_alloc_inode(struct super_block *sb);
extern void nfs_destroy_inode(struct inode *);
extern int nfs_write_inode(struct inode *,int);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7ce07862c2fb..f38d0573be18 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -51,6 +51,7 @@
#include "nfs4_fs.h"
#include "delegation.h"
+#include "internal.h"
#include "iostat.h"
#define NFSDBG_FACILITY NFSDBG_PROC
@@ -773,6 +774,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data)
.rpc_message = &msg,
.callback_ops = &nfs4_open_confirm_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int status;
@@ -910,6 +912,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
.rpc_message = &msg,
.callback_ops = &nfs4_open_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int status;
@@ -1315,6 +1318,7 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait)
.rpc_client = server->client,
.rpc_message = &msg,
.callback_ops = &nfs4_close_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int status = -ENOMEM;
@@ -1404,7 +1408,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
BUG_ON(nd->intent.open.flags & O_CREAT);
}
- cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ cred = rpc_lookup_cred();
if (IS_ERR(cred))
return (struct dentry *)cred;
parent = dentry->d_parent;
@@ -1439,7 +1443,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st
struct rpc_cred *cred;
struct nfs4_state *state;
- cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ cred = rpc_lookup_cred();
if (IS_ERR(cred))
return PTR_ERR(cred);
state = nfs4_do_open(dir, &path, openflags, NULL, cred);
@@ -1656,7 +1660,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
nfs_fattr_init(fattr);
- cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0);
+ cred = rpc_lookup_cred();
if (IS_ERR(cred))
return PTR_ERR(cred);
@@ -1892,7 +1896,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
struct rpc_cred *cred;
int status = 0;
- cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ cred = rpc_lookup_cred();
if (IS_ERR(cred)) {
status = PTR_ERR(cred);
goto out;
@@ -2761,10 +2765,10 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server)
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
- rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL, NULL);
+ rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL);
nfs4_schedule_state_recovery(clp);
if (test_bit(NFS4CLNT_STATE_RECOVER, &clp->cl_state) == 0)
- rpc_wake_up_task(task);
+ rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task);
task->tk_status = 0;
return -EAGAIN;
case -NFS4ERR_DELAY:
@@ -3235,6 +3239,7 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl,
.rpc_client = NFS_CLIENT(lsp->ls_state->inode),
.rpc_message = &msg,
.callback_ops = &nfs4_locku_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
@@ -3419,6 +3424,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
.rpc_client = NFS_CLIENT(state->inode),
.rpc_message = &msg,
.callback_ops = &nfs4_lock_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int ret;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index b962397004c1..7775435ea7a5 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -292,8 +292,10 @@ struct nfs4_state_owner *nfs4_get_state_owner(struct nfs_server *server, struct
spin_unlock(&clp->cl_lock);
if (sp == new)
get_rpccred(cred);
- else
+ else {
+ rpc_destroy_wait_queue(&new->so_sequence.wait);
kfree(new);
+ }
return sp;
}
@@ -310,6 +312,7 @@ void nfs4_put_state_owner(struct nfs4_state_owner *sp)
return;
nfs4_remove_state_owner(clp, sp);
spin_unlock(&clp->cl_lock);
+ rpc_destroy_wait_queue(&sp->so_sequence.wait);
put_rpccred(cred);
kfree(sp);
}
@@ -529,6 +532,7 @@ static void nfs4_free_lock_state(struct nfs4_lock_state *lsp)
spin_lock(&clp->cl_lock);
nfs_free_unique_id(&clp->cl_lockowner_id, &lsp->ls_id);
spin_unlock(&clp->cl_lock);
+ rpc_destroy_wait_queue(&lsp->ls_sequence.wait);
kfree(lsp);
}
@@ -731,7 +735,7 @@ int nfs_wait_on_sequence(struct nfs_seqid *seqid, struct rpc_task *task)
list_add_tail(&seqid->list, &sequence->list);
if (list_first_entry(&sequence->list, struct nfs_seqid, list) == seqid)
goto unlock;
- rpc_sleep_on(&sequence->wait, task, NULL, NULL);
+ rpc_sleep_on(&sequence->wait, task, NULL);
status = -EAGAIN;
unlock:
spin_unlock(&sequence->lock);
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index db1ed9c46ede..37421dd4805d 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -110,7 +110,7 @@ static int nfs4_stat_to_errno(int);
#define decode_savefh_maxsz (op_decode_hdr_maxsz)
#define encode_restorefh_maxsz (op_encode_hdr_maxsz)
#define decode_restorefh_maxsz (op_decode_hdr_maxsz)
-#define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2)
+#define encode_fsinfo_maxsz (encode_getattr_maxsz)
#define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11)
#define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
#define decode_renew_maxsz (op_decode_hdr_maxsz)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 5a70be589bbe..ab2f7d233e01 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -58,22 +58,19 @@ struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
return p;
}
-static void nfs_readdata_rcu_free(struct rcu_head *head)
+static void nfs_readdata_free(struct nfs_read_data *p)
{
- struct nfs_read_data *p = container_of(head, struct nfs_read_data, task.u.tk_rcu);
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_rdata_mempool);
}
-static void nfs_readdata_free(struct nfs_read_data *rdata)
-{
- call_rcu_bh(&rdata->task.u.tk_rcu, nfs_readdata_rcu_free);
-}
-
void nfs_readdata_release(void *data)
{
- nfs_readdata_free(data);
+ struct nfs_read_data *rdata = data;
+
+ put_nfs_open_context(rdata->args.context);
+ nfs_readdata_free(rdata);
}
static
@@ -174,6 +171,7 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
.rpc_message = &msg,
.callback_ops = call_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC | swap_flags,
};
@@ -186,7 +184,7 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
data->args.pgbase = req->wb_pgbase + offset;
data->args.pages = data->pagevec;
data->args.count = count;
- data->args.context = req->wb_context;
+ data->args.context = get_nfs_open_context(req->wb_context);
data->res.fattr = &data->fattr;
data->res.count = count;
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 757415363422..3adf8b266461 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -234,7 +234,7 @@ nfs_async_unlink(struct inode *dir, struct dentry *dentry)
if (data == NULL)
goto out;
- data->cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ data->cred = rpc_lookup_cred();
if (IS_ERR(data->cred)) {
status = PTR_ERR(data->cred);
goto out_free;
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index bed63416a55b..4cb88df12f83 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -59,19 +59,13 @@ struct nfs_write_data *nfs_commit_alloc(void)
return p;
}
-static void nfs_commit_rcu_free(struct rcu_head *head)
+void nfs_commit_free(struct nfs_write_data *p)
{
- struct nfs_write_data *p = container_of(head, struct nfs_write_data, task.u.tk_rcu);
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_commit_mempool);
}
-void nfs_commit_free(struct nfs_write_data *wdata)
-{
- call_rcu_bh(&wdata->task.u.tk_rcu, nfs_commit_rcu_free);
-}
-
struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
{
struct nfs_write_data *p = mempool_alloc(nfs_wdata_mempool, GFP_NOFS);
@@ -93,21 +87,18 @@ struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
return p;
}
-static void nfs_writedata_rcu_free(struct rcu_head *head)
+static void nfs_writedata_free(struct nfs_write_data *p)
{
- struct nfs_write_data *p = container_of(head, struct nfs_write_data, task.u.tk_rcu);
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_wdata_mempool);
}
-static void nfs_writedata_free(struct nfs_write_data *wdata)
+void nfs_writedata_release(void *data)
{
- call_rcu_bh(&wdata->task.u.tk_rcu, nfs_writedata_rcu_free);
-}
+ struct nfs_write_data *wdata = data;
-void nfs_writedata_release(void *wdata)
-{
+ put_nfs_open_context(wdata->args.context);
nfs_writedata_free(wdata);
}
@@ -366,15 +357,13 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
/*
* Insert a write request into an inode
*/
-static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
+static void nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
{
struct nfs_inode *nfsi = NFS_I(inode);
int error;
error = radix_tree_insert(&nfsi->nfs_page_tree, req->wb_index, req);
- BUG_ON(error == -EEXIST);
- if (error)
- return error;
+ BUG_ON(error);
if (!nfsi->npages) {
igrab(inode);
if (nfs_have_delegation(inode, FMODE_WRITE))
@@ -384,8 +373,8 @@ static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
set_page_private(req->wb_page, (unsigned long)req);
nfsi->npages++;
kref_get(&req->wb_kref);
- radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
- return 0;
+ radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index,
+ NFS_PAGE_TAG_LOCKED);
}
/*
@@ -597,6 +586,13 @@ static struct nfs_page * nfs_update_request(struct nfs_open_context* ctx,
/* Loop over all inode entries and see if we find
* A request for the page we wish to update
*/
+ if (new) {
+ if (radix_tree_preload(GFP_NOFS)) {
+ nfs_release_request(new);
+ return ERR_PTR(-ENOMEM);
+ }
+ }
+
spin_lock(&inode->i_lock);
req = nfs_page_find_request_locked(page);
if (req) {
@@ -607,28 +603,27 @@ static struct nfs_page * nfs_update_request(struct nfs_open_context* ctx,
error = nfs_wait_on_request(req);
nfs_release_request(req);
if (error < 0) {
- if (new)
+ if (new) {
+ radix_tree_preload_end();
nfs_release_request(new);
+ }
return ERR_PTR(error);
}
continue;
}
spin_unlock(&inode->i_lock);
- if (new)
+ if (new) {
+ radix_tree_preload_end();
nfs_release_request(new);
+ }
break;
}
if (new) {
- int error;
nfs_lock_request_dontget(new);
- error = nfs_inode_add_request(inode, new);
- if (error) {
- spin_unlock(&inode->i_lock);
- nfs_unlock_request(new);
- return ERR_PTR(error);
- }
+ nfs_inode_add_request(inode, new);
spin_unlock(&inode->i_lock);
+ radix_tree_preload_end();
req = new;
goto zero_page;
}
@@ -806,6 +801,7 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
.rpc_message = &msg,
.callback_ops = call_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = flags,
.priority = priority,
};
@@ -822,7 +818,7 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
data->args.pgbase = req->wb_pgbase + offset;
data->args.pages = data->pagevec;
data->args.count = count;
- data->args.context = req->wb_context;
+ data->args.context = get_nfs_open_context(req->wb_context);
data->args.stable = NFS_UNSTABLE;
if (how & FLUSH_STABLE) {
data->args.stable = NFS_DATA_SYNC;
@@ -1159,8 +1155,11 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
-void nfs_commit_release(void *wdata)
+void nfs_commit_release(void *data)
{
+ struct nfs_write_data *wdata = data;
+
+ put_nfs_open_context(wdata->args.context);
nfs_commit_free(wdata);
}
@@ -1187,6 +1186,7 @@ static void nfs_commit_rpcsetup(struct list_head *head,
.rpc_message = &msg,
.callback_ops = &nfs_commit_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = flags,
.priority = priority,
};
@@ -1203,6 +1203,7 @@ static void nfs_commit_rpcsetup(struct list_head *head,
/* Note: we always request a commit of the entire inode */
data->args.offset = 0;
data->args.count = 0;
+ data->args.context = get_nfs_open_context(first->wb_context);
data->res.count = 0;
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;