b=11742 FSX checksum false positves due to mmap IO

[fs/lustre-release.git] / lustre / lclient / lcommon_cl.c

diff --git a/lustre/lclient/lcommon_cl.c b/lustre/lclient/lcommon_cl.c
index 886ee10..6159d3f 100644 (file)
--- a/lustre/lclient/lcommon_cl.c
+++ b/lustre/lclient/lcommon_cl.c
@@ -1001,6 +1001,17 @@ void ccc_req_attr_set(const struct lu_env *env,
         }
         obdo_from_inode(oa, inode, &cl_i2info(inode)->lli_fid,
                         valid_flags & flags);
+#ifdef __KERNEL__
+        /* Bug11742 - set the OBD_FL_MMAP flag for memory mapped files */
+        if (cfs_atomic_read(&(cl_inode2ccc(inode)->cob_mmap_cnt)) != 0) {
+                if (!(oa->o_valid & OBD_MD_FLFLAGS)) {
+                        oa->o_valid |= OBD_MD_FLFLAGS;
+                        oa->o_flags = OBD_FL_MMAP;
+                } else {
+                        oa->o_flags |= OBD_FL_MMAP;
+                }
+        }
+#endif
 }
 
 const struct cl_req_operations ccc_req_ops = {