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https://github.com/torvalds/linux
27 March 2024, 02:37:15 UTC
Revision f010505b78a4fa8d5b6480752566e7313fb5ca6e authored by Marcelo Diop-Gonzalez on 15 January 2021, 16:54:40 UTC, committed by Jens Axboe on 15 January 2021, 17:02:28 UTC 
io_uring: flush timeouts that should already have expired
 
Right now io_flush_timeouts() checks if the current number of events
is equal to ->timeout.target_seq, but this will miss some timeouts if
there have been more than 1 event added since the last time they were
flushed (possible in io_submit_flush_completions(), for example). Fix
it by recording the last sequence at which timeouts were flushed so
that the number of events seen can be compared to the number of events
needed without overflow.

Signed-off-by: Marcelo Diop-Gonzalez <marcelo827@gmail.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 parent 06585c4
History
Tip revision: f010505b78a4fa8d5b6480752566e7313fb5ca6e authored by Marcelo Diop-Gonzalez on 15 January 2021, 16:54:40 UTC
io_uring: flush timeouts that should already have expired
Tip revision: f010505
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