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| author | Boaz Harrosh <bharrosh@panasas.com> | 2010-02-11 13:01:39 +0200 |
|---|---|---|
| committer | Boaz Harrosh <bharrosh@panasas.com> | 2010-02-28 03:55:53 -0800 |
| commit | 50a76fd3c352ed2740eba01512efcfceee0703be (patch) | |
| tree | 425416e068648e225b41327a120d00bbddd16d0e /fs/xfs | |
| parent | b367e78bd1c7af4c018ce98b1f6d3e001aba895a (diff) | |
| download | linux-3.10-50a76fd3c352ed2740eba01512efcfceee0703be.tar.gz linux-3.10-50a76fd3c352ed2740eba01512efcfceee0703be.tar.bz2 linux-3.10-50a76fd3c352ed2740eba01512efcfceee0703be.zip | |
exofs: groups support
* _calc_stripe_info() changes to accommodate for grouping
calculations. Returns additional information
* old _prepare_pages() becomes _prepare_one_group()
which stores pages belonging to one device group.
* New _prepare_for_striping iterates on all groups calling
_prepare_one_group().
* Enable mounting of groups data_maps (group_width != 0)
[QUESTION]
what is faster A or B;
A. x += stride;
x = x % width + first_x;
B x += stride
if (x < last_x)
x = first_x;
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Diffstat (limited to 'fs/xfs')
0 files changed, 0 insertions, 0 deletions