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bitkeeper revision 1.1389.19.2 (428321b5bcT5YAmWdW7tRiZwz5gF8A)
Fix read-only mappings in blkback driver. Signed-off-by: Keir Fraser <keir@xensource.com>
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kaf24@firebug.cl.cam.ac.uk committed
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commit
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1 file changed
+3
-4
@@ -486,12 +486,11 @@ static void dispatch_rw_block_io(blkif_t *blkif, blkif_request_t *req)
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preq.nr_sects += seg[i].nsec;
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aop[i].u.map_grant_ref.host_virt_addr = MMAP_VADDR(pending_idx, i);
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aop[i].u.map_grant_ref.dom = blkif->domid;
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aop[i].u.map_grant_ref.ref = blkif_gref_from_fas(fas);
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aop[i].u.map_grant_ref.flags = ( GNTMAP_host_map |
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( ( operation == READ ) ?
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0 : GNTMAP_readonly ) );
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aop[i].u.map_grant_ref.flags = GNTMAP_host_map;
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if ( operation == READ )
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aop[i].u.map_grant_ref.flags |= GNTMAP_readonly;
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}
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if ( unlikely(HYPERVISOR_grant_table_op(
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