NFSv4/flexfiles: Convert GFP_NOFS to GFP_KERNEL

Assume that the higher layers will have set memalloc_nofs_save/restore
as appropriate.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

fs/nfs/flexfilelayout/flexfilelayout.c

@@ -694,7 +694,7 @@ nfs4_ff_layout_stat_io_start_write(struct inode *inode,
 	spin_unlock(&mirror->lock);
 
 	if (report)
-		pnfs_report_layoutstat(inode, GFP_NOIO);
+		pnfs_report_layoutstat(inode, GFP_KERNEL);
 }
 
 static void
@@ -900,7 +900,7 @@ ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio,
 						   req->wb_bytes,
 						   IOMODE_RW,
 						   false,
-						   GFP_NOFS);
+						   GFP_KERNEL);
 		if (IS_ERR(pgio->pg_lseg)) {
 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);
 			pgio->pg_lseg = NULL;
@@ -959,7 +959,7 @@ ff_layout_pg_get_mirror_count_write(struct nfs_pageio_descriptor *pgio,
 						   req->wb_bytes,
 						   IOMODE_RW,
 						   false,
-						   GFP_NOFS);
+						   GFP_KERNEL);
 		if (IS_ERR(pgio->pg_lseg)) {
 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);
 			pgio->pg_lseg = NULL;
@@ -1258,7 +1258,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
 	mirror = FF_LAYOUT_COMP(lseg, idx);
 	err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout),
 				       mirror, offset, length, status, opnum,
-				       GFP_NOIO);
+				       GFP_KERNEL);
 
 	switch (status) {
 	case NFS4ERR_DELAY:
@@ -1973,7 +1973,7 @@ ff_layout_setup_ds_info(struct pnfs_ds_commit_info *fl_cinfo,
 	struct inode *inode = lseg->pls_layout->plh_inode;
 	struct pnfs_commit_array *array, *new;
 
-	new = pnfs_alloc_commit_array(flseg->mirror_array_cnt, GFP_NOIO);
+	new = pnfs_alloc_commit_array(flseg->mirror_array_cnt, GFP_KERNEL);
 	if (new) {
 		spin_lock(&inode->i_lock);
 		array = pnfs_add_commit_array(fl_cinfo, new, lseg);
@@ -2192,8 +2192,8 @@ ff_layout_send_layouterror(struct pnfs_layout_segment *lseg)
 	if (list_empty(&head))
 		return;
 
-	errors = kmalloc_array(NFS42_LAYOUTERROR_MAX,
-			sizeof(*errors), GFP_NOFS);
+	errors = kmalloc_array(NFS42_LAYOUTERROR_MAX, sizeof(*errors),
+			       GFP_KERNEL);
 	if (errors != NULL) {
 		const struct nfs4_ff_layout_ds_err *pos;
 		size_t n = 0;
@@ -2444,7 +2444,8 @@ ff_layout_prepare_layoutstats(struct nfs42_layoutstat_args *args)
 	const int dev_count = PNFS_LAYOUTSTATS_MAXDEV;
 
 	/* For now, send at most PNFS_LAYOUTSTATS_MAXDEV statistics */
-	args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo), GFP_NOIO);
+	args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo),
+				      GFP_KERNEL);
 	if (!args->devinfo)
 		return -ENOMEM;
 

fs/nfs/nfs42proc.c

@@ -1017,7 +1017,7 @@ int nfs42_proc_layouterror(struct pnfs_layout_segment *lseg,
 		return -EOPNOTSUPP;
 	if (n > NFS42_LAYOUTERROR_MAX)
 		return -EINVAL;
-	data = nfs42_alloc_layouterror_data(lseg, GFP_NOFS);
+	data = nfs42_alloc_layouterror_data(lseg, GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 	for (i = 0; i < n; i++) {