On 10/11/23 2:20 PM, Jens Axboe wrote: > On 10/11/23 2:12 PM, Sarthak Kukreti wrote: >> Only call truncate_bdev_range() if the fallocate mode is >> supported. This fixes a bug where data in the pagecache >> could be invalidated if the fallocate() was called on the >> block device with an invalid mode. > > Fix looks fine, but would be nicer if we didn't have to duplicate the > truncate_bdev_range() in each switch clause. Can we check this upfront > instead? Don't see a good way to do it on my end, so let's just go with what is there now. I applied it with the commit message reformatted. -- Jens Axboe