pNFS/blocklayout: Remove a couple of unused variables

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

fs/nfs/blocklayout/blocklayout.c

@@ -694,7 +694,6 @@ bl_return_range(struct pnfs_layout_hdr *lo,
 {
 	struct pnfs_block_layout *bl = BLK_LO2EXT(lo);
 	sector_t offset = range->offset >> SECTOR_SHIFT, end;
-	int err;
 
 	if (range->offset % 8) {
 		dprintk("%s: offset %lld not block size aligned\n",
@@ -714,7 +713,7 @@ bl_return_range(struct pnfs_layout_hdr *lo,
 		end = round_down(NFS4_MAX_UINT64, PAGE_SIZE);
 	}
 
-	err = ext_tree_remove(bl, range->iomode & IOMODE_RW, offset, end);
+	ext_tree_remove(bl, range->iomode & IOMODE_RW, offset, end);
 }
 
 static int

fs/nfs/blocklayout/extent_tree.c

@@ -165,7 +165,6 @@ __ext_tree_remove(struct rb_root *root, sector_t start, sector_t end)
 {
 	struct pnfs_block_extent *be;
 	sector_t len1 = 0, len2 = 0;
-	sector_t orig_f_offset;
 	sector_t orig_v_offset;
 	sector_t orig_len;
 
@@ -175,7 +174,6 @@ __ext_tree_remove(struct rb_root *root, sector_t start, sector_t end)
 	if (be->be_f_offset >= end)
 		return 0;
 
-	orig_f_offset = be->be_f_offset;
 	orig_v_offset = be->be_v_offset;
 	orig_len = be->be_length;