From: Carlos Maiolino <cmaiolino@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-fsdevel@vger.kernel.org, sandeen@redhat.com, david@fromorbit.com
Subject: Re: [PATCH 1/3] fs: Enable bmap() function to properly return errors
Date: Fri, 14 Sep 2018 20:48:23 +0200 [thread overview]
Message-ID: <20180914184823.seyorb6q4o22mcfc@odin.usersys.redhat.com> (raw)
In-Reply-To: <20180914132313.GA27382@lst.de>
On Fri, Sep 14, 2018 at 03:23:13PM +0200, Christoph Hellwig wrote:
> On Wed, Sep 12, 2018 at 02:25:34PM +0200, Carlos Maiolino wrote:
> > attach_page_buffers(page, bh);
> > - block = index << (PAGE_SHIFT - inode->i_blkbits);
> > + blk_cur = index << (PAGE_SHIFT - inode->i_blkbits);
> > while (bh) {
> > + block = blk_cur;
> > +
> > if (count == 0)
> > bh->b_blocknr = 0;
> > else {
> > - bh->b_blocknr = bmap(inode, block);
> > - if (bh->b_blocknr == 0) {
> > - /* Cannot use this file! */
> > + ret = bmap(inode, &block);
> > + if (ret || !block) {
> > ret = -EINVAL;
> > + bh->b_blocknr = 0;
> > goto out;
>
>
> This conversion look good, but the code you are starting with is
> completely broken. It really needs to switch to use normal read/write_iter
> interfaces ASAP.
>
Thanks for the review Christoph, I'll add this to my todo list. Thanks a lot.
> Otherwise looks fine:
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
--
Carlos
next prev parent reply other threads:[~2018-09-15 0:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-12 12:25 [PATCH 0/3] Replace direct ->bmap calls by bmap() with error support Carlos Maiolino
2018-09-12 12:25 ` [PATCH 1/3] fs: Enable bmap() function to properly return errors Carlos Maiolino
2018-09-14 13:23 ` Christoph Hellwig
2018-09-14 18:48 ` Carlos Maiolino [this message]
2018-09-17 20:55 ` Darrick J. Wong
2018-09-18 6:00 ` Carlos Maiolino
2018-09-12 12:25 ` [PATCH 2/3] cachefiles: drop direct usage of ->bmap method Carlos Maiolino
2018-09-14 13:23 ` Christoph Hellwig
2018-09-14 18:56 ` Carlos Maiolino
2018-09-12 12:25 ` [PATCH 3/3] ecryptfs: drop direct calls to ->bmap Carlos Maiolino
2018-09-14 13:26 ` Christoph Hellwig
2018-09-14 18:47 ` Carlos Maiolino
2018-09-17 11:04 ` [PATCH 3/3 V2] " Carlos Maiolino
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