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NFS: Fix initialization of nfs_page_array->npages
Commit8ef9b0b9e1
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:8ef9b0b9e1
("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>
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@ -779,6 +779,7 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
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gfp_t gfp_flags = GFP_KERNEL;
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pagecount = nfs_page_array_len(mirror->pg_base, mirror->pg_count);
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pg_array->npages = pagecount;
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if (pagecount <= ARRAY_SIZE(pg_array->page_array))
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pg_array->pagevec = pg_array->page_array;
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