From: Jan Kara <jack@suse.cz>
To: Christoph Hellwig <hch@infradead.org>
Cc: Jan Kara <jack@suse.cz>, Jens Axboe <axboe@kernel.dk>,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org
Subject: Re: [PATCH 1/4] fs: Provide function to unmap metadata for a range of blocks
Date: Mon, 24 Oct 2016 13:45:40 +0200 [thread overview]
Message-ID: <20161024114540.GE1108@quack2.suse.cz> (raw)
In-Reply-To: <20161021120542.GA20475@infradead.org>
On Fri 21-10-16 05:05:42, Christoph Hellwig wrote:
> > + * Functionally, this is like unmap_underlying_metadata() for a range of
> > + * blocks. It is implemented to be more efficient for larger ranges of blocks
> > + * though.
> > + */
> > +void unmap_underlying_metadata_ext(struct block_device *bdev, sector_t block,
> > + sector_t len)
>
> Please explain what it does and why you'd call it. And while we're
OK.
> naming I think the 'metadata' part is highly confusing. What it does
> is to clear buffers from the block device mapping, nothing about
> metadata really.
>
> So how about unmap_buffers_range or similar?
I can rename the function but I wanted to be consistent with
unmap_underlying_metadata() function. It seems strange to have a function
for a single block and a function for a range of blocks with very different
names...
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2016-10-24 11:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-21 11:55 [PATCH 0/4] fs: Provide function to unmap metadata for a range of blocks Jan Kara
2016-10-21 11:55 ` [PATCH 1/4] " Jan Kara
2016-10-21 12:05 ` Christoph Hellwig
2016-10-24 11:45 ` Jan Kara [this message]
2016-10-21 11:55 ` [PATCH 2/4] direct-io: Use unmap_underlying_metadata_ext() instead of handmade iteration Jan Kara
2016-10-21 11:55 ` [PATCH 3/4] ext4: Use unmap_underlying_metadata_ext() instead of iteration Jan Kara
2016-10-21 11:55 ` [PATCH 4/4] ext2: " Jan Kara
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