[Cluster-devel] [PATCH v2 00/19] bio: check return values of bio_add_page

[David Sterba <dsterba@suse.cz>]

On Thu, Mar 30, 2023 at 03:43:42AM -0700, Johannes Thumshirn wrote:
> We have two functions for adding a page to a bio, __bio_add_page() which is
> used to add a single page to a freshly created bio and bio_add_page() which is
> used to add a page to an existing bio.
> 
> While __bio_add_page() is expected to succeed, bio_add_page() can fail.
> 
> This series converts the callers of bio_add_page() which can easily use
> __bio_add_page() to using it and checks the return of bio_add_page() for
> callers that don't work on a freshly created bio.
> 
> Lastly it marks bio_add_page() as __must_check so we don't have to go again
> and audit all callers.
> 
> Changes to v1:
> - Removed pointless comment pointed out by Willy
> - Changed commit messages pointed out by Damien
> - Colledted Damien's Reviews and Acks
> 
> Johannes Thumshirn (19):

>   btrfs: repair: use __bio_add_page for adding single page
>   btrfs: raid56: use __bio_add_page to add single page

The btrfs patches added to misc-next, thanks.