Re: Linux 2.6.29

Jeff Garzik
2009-04-03T08:35:35Z

Jeff Garzik wrote:
> Attached are some additional tests using sync_file_range, dd, an SSD and
> a normal SATA disk. The test program -- overwrite.c -- is unchanged
> from my last posting, basically the same as Linus's except with
> posix_fadvise()

Oh, and, as run-test.sh shows, these tests were done with the file
pre-allocated and sync'd to disk.

The dd and overwrite invocations that follow the first dd invocation do
/not/ require the fs to allocate new blocks.

Jeff