On 8/4/25 7:45 PM, Chao Yu wrote: > filesystem like XFS or ext4 has supported dontcache in both read&write > side, so we can know whether filesystem can support dontcache by only > checking w/ preadv2(,RWF_DONTCACHE). > > However, filesystem can decide only support in read side or write side, > not sure, all filesystems will support this feature in both read&write > side later. > > Let's add a check condition for write path as well. Once more: https://lore.kernel.org/lkml/587aaee2-8d84-4eb5-9b87-22947abd0752@xxxxxxxxx/T/#t -- Jens Axboe
