linux-kernel - Re: [PATCH v3 2/3] btrfs: Split remaining space to discard in chunks

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Message-ID: <e5d765e8-e294-465f-adfc-ad4787116959@gmx.com>
Date: Tue, 3 Sep 2024 19:13:29 +0930
From: Qu Wenruo <quwenruo.btrfs@....com>
To: Christoph Hellwig <hch@...radead.org>,
 Luca Stefani <luca.stefani.ge1@...il.com>
Cc: Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
 David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] btrfs: Split remaining space to discard in chunks



在 2024/9/3 16:57, Christoph Hellwig 写道:
> You'll also need add a EXPORT_SYMBOL_GPL for blk_alloc_discard_bio.

Just curious, shouldn't blk_ioctl_discard() also check frozen status to
prevent block device trim from block suspension?

And if that's the case, would it make more sense to move the signal and
freezing checks into blk_alloc_discard_bio()?

Thanks,
Qu