On 02/04/2021 03:19 PM, Christoph Hellwig wrote:
On Thu, Feb 04, 2021 at 12:07:58PM +0800, Xiao Ni wrote:
+extern void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev,
+ struct bio *bio, sector_t start, sector_t size);
no need for the extern.
Hi Christoph
It needs to export it here. If not, there is compile error.
raid0.c:502:3: error: implicit declaration of function
???md_submit_discard_bio??? [-Werror=implicit-function-declaration]
md_submit_discard_bio(mddev, rdev, bio,
Yes, the prototype needs to be in the header. But the extern keyword
is no needed for function declarations.
Thanks for pointing about this.
