commit | fdc53971bce56d299cb5f1f06ecbff30b34cbaf2 | [log] [tgz] |
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author | David Woodhouse <David.Woodhouse@intel.com> | Tue Aug 05 18:08:56 2008 +0100 |
committer | Jens Axboe <jens.axboe@oracle.com> | Thu Oct 09 08:56:01 2008 +0200 |
tree | 96ffa11fb549ef059e167c3fc0afaabe48204763 | |
parent | eae9acd13a8d14b50c00a961fa959606f34bbd92 [diff] |
Support 'discard sectors' operation. We can benefit from knowing that the file system no longer cares about the contents of certain sectors, by throwing them away immediately and then never having to garbage collect them, and using the extra free space to make our operations more efficient. Do so. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>