tree a43bdacfb590b034db3cafd2ee51b3b5ce7f1501
parent 603fc2cb4b0f04f7c4e9c75bfea1b91fe000e47a
author Baruch Siach <baruch@tkos.co.il> 1388685937 -0500
committer Theodore Ts'o <tytso@mit.edu> 1388980510 -0500

e4defrag: choose the best available posix_fadvise variant

Use posix_fadvise64() when available.  This allows 64bit offsets on
32bit systems.

[ Modified by tytso to try to use fadvise64() as well, and to remove
  the attempt to call the syscall directly, since because and
  complexities caused by required dummy arguments on some
  architectures, it's not worth the hair.  ]

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>