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authorHiroaki SHIMODA <shimoda.hiroaki@gmail.com>2012-05-30 16:25:37 +0400
committerDavid S. Miller <davem@davemloft.net>2012-06-01 02:18:17 +0400
commit914bec1011a25f65cdc94988a6f974bfb9a3c10d (patch)
tree2651e473b6f02888b595f215fbfb9710e6e231ff /block/elevator.c
parent25426b794efdc70dde7fd3134dc56fac3e7d562d (diff)
downloadlinux-914bec1011a25f65cdc94988a6f974bfb9a3c10d.tar.xz
bql: Avoid possible inconsistent calculation.
dql->num_queued could change while processing dql_completed(). To provide consistent calculation, added an on stack variable. Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com> Cc: Tom Herbert <therbert@google.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/elevator.c')
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