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| author | Haicheng Li <haicheng.li@intel.com> | 2009-10-26 09:47:22 +0100 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2009-10-26 09:55:33 +0100 |
| commit | 3b27e2d46fb109392464d7103a4364f0ec1929c2 (patch) | |
| tree | 0076079c2855f28bc25548aaf67455d0eb1b6c02 | |
| parent | 39692d8a1ca1157a9465bd1e58f1dbc7a130e898 (diff) | |
| download | mce-test-3b27e2d46fb109392464d7103a4364f0ec1929c2.tar.gz | |
Avoid tsyncpage failures on NFS
My debugging shows mmap() with MLOCKED flag will set page dirty again,
then kernel handler would never enter into clean page handling logic.
So use fsync() after mmap() to make the page clean.
Signed-off-by: Haicheng Li <haicheng.li@intel.com>
Tested-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
| -rw-r--r-- | tsrc/tinjpage.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tsrc/tinjpage.c b/tsrc/tinjpage.c index 3dd3e59..8b206c7 100644 --- a/tsrc/tinjpage.c +++ b/tsrc/tinjpage.c @@ -275,9 +275,9 @@ static void do_file_clean(int flags, char *name) if (fd < 0) err("open temp file"); write(fd, fn, 4); - fsync(fd); page = checked_mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_SHARED|flags, fd, 0); + fsync(fd); close(fd); testmem(name, page, MREAD_OK); /* reread page from disk */ |