Ceph » CephFS

Isolated the failure, see below

When appending to file and ls is performed on it at or before 5s it appears stale data is obtained.

rm test.c test.h -f
echo '/* confdefs.h.  */
#define PACKAGE_NAME "" 
#define PACKAGE_TARNAME "" 
#define PACKAGE_VERSION "" 
#define PACKAGE_STRING "" 
#define PACKAGE "ffsb"' > test.h
cat test.h >>test.c
cat >>test.c <<_ACEOF
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
sleep 5s
ls test.*
cat test.c

Consider the following:
1. remove sleep 5s, script will fail
2. remove ls, script will pass
3. change sleep to 6s, script will pass
4. remove ls and sleep, script will pass

Contents of test.c below

pass case:

/* confdefs.h.  */
#define PACKAGE_NAME "" 
#define PACKAGE_TARNAME "" 
#define PACKAGE_VERSION "" 
#define PACKAGE_STRING "" 
#define PACKAGE "ffsb" 
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}

fail case:

/* confdefs.h.  */
#define PACKAGE_NAME "" 
#define PACKAGE_TARNAME "" 
#define PACKAGE_VERSION "" 
#define PACKAGE_STRING "" 
#define PACKAGE "ffsb"