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Re: SSD "trim" support

On Wed, Feb 29, 2012 at 03:02:46PM +1100, Simon Burge wrote:
 > Matthias Drochner wrote:
 > One comment - the use of the name "TRIM" in the UFS layer could be a
 > bit more generic.  This same VOP could be used for example to handle
 > freeing up blocks with a flash device backing a UFS filesystem.  Maybe
 > use something like DIOCFREEBLOCKS instead of DIOCTRIM?

It should also, ideally, be the same interface one would use for
creating a hole in the middle of a regular file.

David A. Holland

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