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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2007-11-07 13:51:35 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-11-07 13:51:35 +0100 |
| commit | 0e7be9edb9134f833278c381b6feabb54b875208 (patch) | |
| tree | a4eca4110f1b672f78191c8a8f92086b1b6ade7a /block/elevator.c | |
| parent | b70c864d3ce706571d2f3cac1d35d4fba01d6072 (diff) | |
| download | blackbird-op-linux-0e7be9edb9134f833278c381b6feabb54b875208.tar.gz blackbird-op-linux-0e7be9edb9134f833278c381b6feabb54b875208.zip | |
cfq_idle_class_timer: add paranoid checks for jiffies overflow
In theory, if the queue was idle long enough, cfq_idle_class_timer may have
a false (and very long) timeout because jiffies can wrap into the past wrt
->last_end_request.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/elevator.c')
0 files changed, 0 insertions, 0 deletions
