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| author | Kent Overstreet <koverstreet@google.com> | 2013-06-05 15:24:39 +0200 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-06-27 06:58:04 +0200 |
| commit | 72c270612bd33192fa836ad0f2939af1ca218292 (patch) | |
| tree | 344129d75f3b5c0abcf77dd4b6340783a126cde8 /Documentation/bcache.txt | |
| parent | bcache: Track dirty data by stripe (diff) | |
| download | linux-72c270612bd33192fa836ad0f2939af1ca218292.tar.xz linux-72c270612bd33192fa836ad0f2939af1ca218292.zip | |
bcache: Write out full stripes
Now that we're tracking dirty data per stripe, we can add two
optimizations for raid5/6:
* If a stripe is already dirty, force writes to that stripe to
writeback mode - to help build up full stripes of dirty data
* When flushing dirty data, preferentially write out full stripes first
if there are any.
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Diffstat (limited to 'Documentation/bcache.txt')
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