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author | Joe Thornber | 2017-05-11 15:07:16 +0200 |
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committer | Mike Snitzer | 2017-05-15 03:54:33 +0200 |
commit | 49b7f768900f4084a65c3689d955b2fceac39e53 (patch) | |
tree | cfd9685c74734879c00ab2861498e64de35bcd5e /drivers/md/dm-cache-policy-smq.c | |
parent | dm cache: track all IO to the cache rather than just the origin device's IO (diff) | |
download | kernel-qcow2-linux-49b7f768900f4084a65c3689d955b2fceac39e53.tar.gz kernel-qcow2-linux-49b7f768900f4084a65c3689d955b2fceac39e53.tar.xz kernel-qcow2-linux-49b7f768900f4084a65c3689d955b2fceac39e53.zip |
dm cache: simplify the IDLE vs BUSY state calculation
Drop the MODERATE state since it wasn't buying us much.
Also, in check_migrations(), prepare for the next commit ("dm cache
policy smq: don't do any writebacks unless IDLE") by deferring to the
policy to make the final decision on whether writebacks can be
serviced.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-cache-policy-smq.c')
0 files changed, 0 insertions, 0 deletions