ceph/ceph — pull request #454 by noahdesu (2013-07-22 06:51:46+00:00)
Title: FileJournal: fix posix_fallocate error handling

From the man page for posix_fallocate:

posix_fallocate() returns zero on success, or an error
number on failure. Note that errno is not set.

Signed-off-by: Noah Watkins