diff options
| author | Lars Ellenberg <[email protected]> | 2013-03-19 18:16:49 +0100 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2013-03-22 18:14:00 -0600 |
| commit | ebfd5d8f715167b886c9401e6b123847187f137b (patch) | |
| tree | 33da96fa4f1949af33492299930491f2ee797c9a /net/lapb/lapb_in.c | |
| parent | 56392d2f40aac4b520fc50bc356f40e07f7e1c7d (diff) | |
drbd: drbd_al_being_io: short circuit to reduce latency
A request hitting an already "hot" extent should proceed right away,
even if some other requests need to wait for pending transactions.
Without that short-circuit, several simultaneous make_request contexts
race for committing the transaction, possibly penalizing the innocent.
Signed-off-by: Philipp Reisner <[email protected]>
Signed-off-by: Lars Ellenberg <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'net/lapb/lapb_in.c')
0 files changed, 0 insertions, 0 deletions