From: Christoph Hellwig <hch@infradead.org>
To: Zhang Yi <yi.zhang@huaweicloud.com>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, djwong@kernel.org,
brauner@kernel.org, david@fromorbit.com, chandanbabu@kernel.org,
jack@suse.cz, yi.zhang@huawei.com, chengzhihao1@huawei.com,
yukuai3@huawei.com, John Garry <john.g.garry@oracle.com>
Subject: Re: [PATCH -next v5 7/8] xfs: speed up truncating down a big realtime inode
Date: Sun, 16 Jun 2024 23:59:26 -0700 [thread overview]
Message-ID: <Zm_ezp1TaIoAK1-P@infradead.org> (raw)
In-Reply-To: <ecd7a5cf-4939-947a-edd4-0739dc73870b@huaweicloud.com>
On Sat, Jun 15, 2024 at 07:44:21PM +0800, Zhang Yi wrote:
> The reason why atomic feature can't split and convert the tail extent on truncate
> down now is the dio write iter loop will split an atomic dio which covers the
> whole allocation unit(extsize) since there are two extents in on allocation unit.
We could fix this by merging the two in iomap_begin, as the end_io
handler already deals with multiple ranges. But let's think of that
when the need actually arises.
next prev parent reply other threads:[~2024-06-17 6:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-13 9:00 [PATCH -next v5 0/8] iomap/xfs: fix stale data exposure when truncating realtime inodes Zhang Yi
2024-06-13 9:00 ` [PATCH -next v5 1/8] math64: add rem_u64() to just return the remainder Zhang Yi
2024-06-13 9:00 ` [PATCH -next v5 2/8] iomap: pass blocksize to iomap_truncate_page() Zhang Yi
2024-06-14 5:56 ` Christoph Hellwig
2024-06-13 9:00 ` [PATCH -next v5 3/8] fsdax: pass blocksize to dax_truncate_page() Zhang Yi
2024-06-13 9:00 ` [PATCH -next v5 4/8] xfs: refactor the truncating order Zhang Yi
2024-06-13 9:00 ` [PATCH -next v5 5/8] xfs: correct the truncate blocksize of realtime inode Zhang Yi
2024-06-13 9:00 ` [PATCH -next v5 6/8] xfs: reserve blocks for truncating large " Zhang Yi
2024-06-14 5:58 ` Christoph Hellwig
2024-06-13 9:00 ` [PATCH -next v5 7/8] xfs: speed up truncating down a big " Zhang Yi
2024-06-14 6:08 ` Christoph Hellwig
2024-06-14 7:18 ` Zhang Yi
2024-06-14 9:13 ` Christoph Hellwig
2024-06-15 11:44 ` Zhang Yi
2024-06-17 6:59 ` Christoph Hellwig [this message]
2024-06-17 9:11 ` Zhang Yi
2024-06-13 9:00 ` [PATCH -next v5 8/8] iomap: don't increase i_size in iomap_write_end() Zhang Yi
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