Implement decoding of fallocate FALLOC_FL_* flags

* xlat/falloc_flags.in: New file.
* configure.ac (AC_CHECK_HEADERS): Add linux/falloc.h.
* fallocate.c [HAVE_LINUX_FALLOC_H]: Include <linux/falloc.h>.
Include xlat/falloc_flags.h.
(sys_fallocate): Decode flags.
3 files changed