linux-kernel - Re: [PATCH v10 26/33] mm/writeback: Add folio_wait

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6e998f49-f37e-c7ce-278e-e220a7212f10@suse.cz>
Date:   Tue, 18 May 2021 13:12:49 +0200
From:   Vlastimil Babka <vbabka@...e.cz>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        akpm@...ux-foundation.org
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Jeff Layton <jlayton@...nel.org>
Subject: Re: [PATCH v10 26/33] mm/writeback: Add folio_wait_writeback

On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote:
> wait_on_page_writeback_killable() only has one caller, so convert it to
> call folio_wait_writeback_killable().  For the wait_on_page_writeback()
> callers, add a compatibility wrapper around folio_wait_writeback().
> 
> Turning PageWriteback() into folio_writeback() eliminates a call to
> compound_head() which saves 8 bytes and 15 bytes in the two functions.
> That is more than offset by adding the wait_on_page_writeback
> compatibility wrapper for a net increase in text of 15 bytes.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Acked-by: Jeff Layton <jlayton@...nel.org>

Acked-by: Vlastimil Babka <vbabka@...e.cz>