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SubjectRe: [PATCH 1/2] fs: Do not dispatch FITRIM through separate super_operation
On 10-11-19 09:57 AM, Christoph Hellwig wrote:
> On Fri, Nov 19, 2010 at 09:53:52AM -0500, Mark Lord wrote:
>> On 10-11-19 09:40 AM, Chris Mason wrote:
>>> We've been told that online and constant trimming is the default in
>>> windows7. The ssds are most likely to just start ignoring the trims
>>> they can't service efficiently.
>> Win7 collects multiple TRIM ranges over time and batches them as single TRIMs
>> (as reported to me by an SSD vendor who traced it with a SATA analyzer,
>> and who also apparently has "inside info").
> I really hate to rely on this third party hearsay (from all sides), and
> have implement TRIM support in qemu now. I'll soon install win7 and
> will check out the TRIM patters myself.


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