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authorJens Axboe <axboe@kernel.dk>2019-04-06 21:51:27 -0600
committerJens Axboe <axboe@kernel.dk>2019-05-02 14:08:53 -0600
commitde0617e467171ba44c73efd1ba63f101b164a035 (patch)
treef0d4a88d22ee63d0d2270249ed516b4135b92c43 /drivers/slimbus
parentea9866793d1e925b4d320eaea409263b2a568f38 (diff)
io_uring: add support for marking commands as draining
There are no ordering constraints between the submission and completion side of io_uring. But sometimes that would be useful to have. One common example is doing an fsync, for instance, and have it ordered with previous writes. Without support for that, the application must do this tracking itself. This adds a general SQE flag, IOSQE_IO_DRAIN. If a command is marked with this flag, then it will not be issued before previous commands have completed, and subsequent commands submitted after the drain will not be issued before the drain is started.. If there are no pending commands, setting this flag will not change the behavior of the issue of the command. Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/slimbus')
0 files changed, 0 insertions, 0 deletions