Christoph Hellwig wrote:
On Sun, Aug 16, 2009 at 09:59:32AM -0400, Mark Lord wrote:
Okay, I got Matthews patches updated onto 2.6.31, and fixed the incompatibilities
between those and the XFS TRIM patch (from Christoph), plus a sector_t printk issue.
My apologies for attachments, but I am attaching the updated Christoph patch,
as well as my hacked-up forward-port of Matthew's patches.
Not pretty, but they work. :)
Now.. running Christoph's "xfs trim" on a 4.6GB mostly already-trimmed
XFS partition gave this for the first time around:
The problem is, it still issues TRIMs to the LLD one extent at a time.
Compare this with doing it all in a single TRIM command
with the wiper.sh script (filesystem unmounted):
I could do a variant which issues a single TRIM, but that would require
us to lock out all other allocations for the time the trim takes. I'll
hack that up once I get some time.
..
Matthew's stuff will have to change to support that, too.
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