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bb749b31c2
Check for CAP_SYS_ADMIN before calling into the driver, similar to blkdev_flushbuf(). This is safer and can spare a check in the driver. (Currently BLKROSET is overridden by md and rbd, rbd is missing the check. md has the check, but it covers a lot more than BLKROSET.) Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
604 lines
15 KiB
604 lines
15 KiB