Re: Linux 2.6.29
From: Jeff Garzik
Date: Fri Apr 03 2009 - 04:35:35 EST
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
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