Re: [PATCH] block: Don't invalidate pagecache for invalid falloc modes

[Jens Axboe]

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?

Also, please wrap commit messages at 72-74 chars.

-- 
Jens Axboe