Re: [PATCH v2 1/3] block: introduce part_[begin|end]_io_acct | linux-raid | Ratatoskr

[PATCH v2 0/3] block: improve iostat for md/bcache partitions · Song Liu <hidden> · 2020-08-18
[PATCH v2 1/3] block: introduce part_[begin|end]_io_acct · Song Liu <hidden> · 2020-08-18
Re: [PATCH v2 1/3] block: introduce part_[begin|end]_io_acct · Christoph Hellwig <hch@infradead.org> · 2020-08-31
Re: [PATCH v2 1/3] block: introduce part_[begin|end]_io_acct · Song Liu <hidden> · 2020-08-31
[PATCH v2 2/3] md: use part_[begin|end]_io_acct instead of disk_[begin|end]_io_acct · Song Liu <hidden> · 2020-08-18
Re: [PATCH v2 2/3] md: use part_[begin|end]_io_acct instead of disk_[begin|end]_io_acct · Christoph Hellwig <hch@infradead.org> · 2020-08-31
[PATCH v2 3/3] bcache: use part_[begin|end]_io_acct instead of disk_[begin|end]_io_acct · Song Liu <hidden> · 2020-08-18
Re: [PATCH v2 3/3] bcache: use part_[begin|end]_io_acct instead of disk_[begin|end]_io_acct · Christoph Hellwig <hch@infradead.org> · 2020-08-31
Re: [PATCH v2 0/3] block: improve iostat for md/bcache partitions · Song Liu <hidden> · 2020-08-28

Re: [PATCH v2 1/3] block: introduce part_[begin|end]_io_acct

From: Christoph Hellwig <hch@infradead.org>
Date: 2020-08-31 06:53:59
Also in: linux-bcache, linux-block

On Tue, Aug 18, 2020 at 03:26:43PM -0700, Song Liu wrote:

These functions can be used to enable iostat for partitions on devices
like md, bcache.

Signed-off-by: Song Liu <redacted>

EXPORT_SYMBOL_GPL for new block layer functionality, please.

Otherwise this looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>