Messages in this thread | | | Subject | Re: [PATCH v2] loop: Add LOOP_SET_DIRECT_IO to compat ioctl | From | Jens Axboe <> | Date | Thu, 8 Aug 2019 20:39:40 -0700 |
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On 8/6/19 5:48 PM, Alessio Balsini wrote: > Enabling Direct I/O with loop devices helps reducing memory usage by > avoiding double caching. 32 bit applications running on 64 bits systems > are currently not able to request direct I/O because is missing from the > lo_compat_ioctl. > > This patch fixes the compatibility issue mentioned above by exporting > LOOP_SET_DIRECT_IO as additional lo_compat_ioctl() entry. > The input argument for this ioctl is a single long converted to a 1-bit > boolean, so compatibility is preserved.
Applied, thanks.
-- Jens Axboe
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