NFS: Convert GFP_NOFS to GFP_KERNEL

Assume that sections that should not re-enter the filesystem are already
protected with memalloc_nofs_save/restore call, so relax those GFP_NOFS
instances which might be used by other contexts.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

fs/nfs/inode.c

@@ -1583,7 +1583,7 @@ struct nfs_fattr *nfs_alloc_fattr(void)
 {
 	struct nfs_fattr *fattr;
 
-	fattr = kmalloc(sizeof(*fattr), GFP_NOFS);
+	fattr = kmalloc(sizeof(*fattr), GFP_KERNEL);
 	if (fattr != NULL) {
 		nfs_fattr_init(fattr);
 		fattr->label = NULL;
@@ -1599,7 +1599,7 @@ struct nfs_fattr *nfs_alloc_fattr_with_label(struct nfs_server *server)
 	if (!fattr)
 		return NULL;
 
-	fattr->label = nfs4_label_alloc(server, GFP_NOFS);
+	fattr->label = nfs4_label_alloc(server, GFP_KERNEL);
 	if (IS_ERR(fattr->label)) {
 		kfree(fattr);
 		return NULL;
@@ -1613,7 +1613,7 @@ struct nfs_fh *nfs_alloc_fhandle(void)
 {
 	struct nfs_fh *fh;
 
-	fh = kmalloc(sizeof(struct nfs_fh), GFP_NOFS);
+	fh = kmalloc(sizeof(struct nfs_fh), GFP_KERNEL);
 	if (fh != NULL)
 		fh->size = 0;
 	return fh;

fs/nfs/nfs4proc.c

@@ -5904,7 +5904,7 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu
 		buflen = server->rsize;
 
 	npages = DIV_ROUND_UP(buflen, PAGE_SIZE) + 1;
-	pages = kmalloc_array(npages, sizeof(struct page *), GFP_NOFS);
+	pages = kmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
 	if (!pages)
 		return -ENOMEM;
 
@@ -6609,7 +6609,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
 	};
 	int status = 0;
 
-	data = kzalloc(sizeof(*data), GFP_NOFS);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (data == NULL)
 		return -ENOMEM;
 
@@ -6797,7 +6797,7 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl,
 	struct nfs4_state *state = lsp->ls_state;
 	struct inode *inode = state->inode;
 
-	p = kzalloc(sizeof(*p), GFP_NOFS);
+	p = kzalloc(sizeof(*p), GFP_KERNEL);
 	if (p == NULL)
 		return NULL;
 	p->arg.fh = NFS_FH(inode);
@@ -7202,8 +7202,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
 		task_setup_data.flags |= RPC_TASK_MOVEABLE;
 
 	data = nfs4_alloc_lockdata(fl, nfs_file_open_context(fl->fl_file),
-			fl->fl_u.nfs4_fl.owner,
-			recovery_type == NFS_LOCK_NEW ? GFP_KERNEL : GFP_NOFS);
+				   fl->fl_u.nfs4_fl.owner, GFP_KERNEL);
 	if (data == NULL)
 		return -ENOMEM;
 	if (IS_SETLKW(cmd))
@@ -7626,7 +7625,7 @@ nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_state *lsp)
 	if (server->nfs_client->cl_mvops->minor_version != 0)
 		return;
 
-	data = kmalloc(sizeof(*data), GFP_NOFS);
+	data = kmalloc(sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return;
 	data->lsp = lsp;
@@ -9291,7 +9290,7 @@ static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp,
 		goto out_err;
 
 	ret = ERR_PTR(-ENOMEM);
-	calldata = kzalloc(sizeof(*calldata), GFP_NOFS);
+	calldata = kzalloc(sizeof(*calldata), GFP_KERNEL);
 	if (calldata == NULL)
 		goto out_put_clp;
 	nfs4_init_sequence(&calldata->args, &calldata->res, 0, is_privileged);
@@ -10222,7 +10221,7 @@ static int nfs41_free_stateid(struct nfs_server *server,
 		&task_setup.rpc_client, &msg);
 
 	dprintk("NFS call  free_stateid %p\n", stateid);
-	data = kmalloc(sizeof(*data), GFP_NOFS);
+	data = kmalloc(sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 	data->server = server;

fs/nfs/nfs4state.c

@@ -821,7 +821,7 @@ static void __nfs4_close(struct nfs4_state *state,
 
 void nfs4_close_state(struct nfs4_state *state, fmode_t fmode)
 {
-	__nfs4_close(state, fmode, GFP_NOFS, 0);
+	__nfs4_close(state, fmode, GFP_KERNEL, 0);
 }
 
 void nfs4_close_sync(struct nfs4_state *state, fmode_t fmode)

fs/nfs/pnfs.c

@@ -1233,7 +1233,7 @@ pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo,
 	int status = 0;
 
 	*pcred = NULL;
-	lrp = kzalloc(sizeof(*lrp), GFP_NOFS);
+	lrp = kzalloc(sizeof(*lrp), GFP_KERNEL);
 	if (unlikely(lrp == NULL)) {
 		status = -ENOMEM;
 		spin_lock(&ino->i_lock);
@@ -3250,7 +3250,7 @@ struct nfs4_threshold *pnfs_mdsthreshold_alloc(void)
 {
 	struct nfs4_threshold *thp;
 
-	thp = kzalloc(sizeof(*thp), GFP_NOFS);
+	thp = kzalloc(sizeof(*thp), GFP_KERNEL);
 	if (!thp) {
 		dprintk("%s mdsthreshold allocation failed\n", __func__);
 		return NULL;