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authorKent Overstreet <koverstreet@google.com>2013-06-05 06:24:39 -0700
committerKent Overstreet <koverstreet@google.com>2013-06-26 21:58:04 -0700
commit72c270612bd33192fa836ad0f2939af1ca218292 (patch)
tree344129d75f3b5c0abcf77dd4b6340783a126cde8 /Documentation
parent279afbad4e54acbd61bf88a54a73af3bbfdeb5dd (diff)
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>
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