Commit 2eb3aea7 authored Jun 09, 2017 by Benjamin Coddington Committed by Anna Schumaker Jul 13, 2017

NFS: Fix initialization of nfs_page_array->npages



Commit 8ef9b0b9 open-coded nfs_pgarray_set(), and left out the
initialization of the nfs_page_array's npages.  This mistake didn't show up
until testing with block layouts, and there shows that all pNFS reads
return -EIO.

Fixes: 8ef9b0b9 ("NFS: move nfs_pgarray_set() to open code")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Cc: stable@vger.kernel.org # 4.12
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

parent 1a4edf0f

fs/nfs/pagelist.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -779,6 +779,7 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
		gfp_t gfp_flags = GFP_KERNEL;

		pagecount = nfs_page_array_len(mirror->pg_base, mirror->pg_count);
		pg_array->npages = pagecount;

		if (pagecount <= ARRAY_SIZE(pg_array->page_array))
		pg_array->pagevec = pg_array->page_array;

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