From: Christoph Hellwig <hch@infradead.org>
To: Donald Buczek <buczek@molgen.mpg.de>
Cc: Sergei Shtepa <sergei.shtepa@veeam.com>,
axboe@kernel.dk, hch@infradead.org, corbet@lwn.net,
snitzer@kernel.org, viro@zeniv.linux.org.uk, brauner@kernel.org,
willy@infradead.org, kch@nvidia.com, martin.petersen@oracle.com,
vkoul@kernel.org, ming.lei@redhat.com,
gregkh@linuxfoundation.org, linux-block@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v3 02/11] block: Block Device Filtering Mechanism
Date: Mon, 10 Apr 2023 23:23:38 -0700 [thread overview]
Message-ID: <ZDT86vCXcszoBh4e@infradead.org> (raw)
In-Reply-To: <be98bee0-4ddc-194f-82be-767e0bb9f60f@molgen.mpg.de>
On Sat, Apr 08, 2023 at 05:16:42PM +0200, Donald Buczek wrote:
> Hi, Sergei,
>
> On 4/4/23 16:08, Sergei Shtepa wrote:
> > The block device filtering mechanism is an API that allows to attach
> > block device filters. Block device filters allow perform additional
> > processing for I/O units.
> > [...]
> > diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
> > index b7b56871029c..1848d62979a4 100644
> > --- a/include/uapi/linux/fs.h
> > +++ b/include/uapi/linux/fs.h
> > @@ -185,6 +185,11 @@ struct fsxattr {
> > #define BLKROTATIONAL _IO(0x12,126)
> > #define BLKZEROOUT _IO(0x12,127)
> > #define BLKGETDISKSEQ _IOR(0x12,128,__u64)
> > +/* 13* is defined in linux/blkzoned.h */
>
> nit: This is already explained in the comment below your insert.
My faul. But indeed, no need to duplicate that, instead the new
ioctl opcodes should move below that existing comment.
next prev parent reply other threads:[~2023-04-11 6:24 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-04 14:08 [PATCH v3 00/11] blksnap - block devices snapshots module Sergei Shtepa
2023-04-04 14:08 ` [PATCH v3 01/11] documentation: Block Device Filtering Mechanism Sergei Shtepa
2023-04-10 5:04 ` Bagas Sanjaya
2023-04-12 12:39 ` Sergei Shtepa
2023-04-04 14:08 ` [PATCH v3 02/11] block: " Sergei Shtepa
2023-04-08 15:16 ` Donald Buczek
2023-04-11 6:23 ` Christoph Hellwig [this message]
2023-04-08 15:30 ` Donald Buczek
2023-04-11 6:25 ` Christoph Hellwig
2023-04-12 10:43 ` Sergei Shtepa
2023-04-12 19:59 ` Donald Buczek
2023-04-14 13:39 ` Sergei Shtepa
2023-04-16 6:06 ` Christoph Hellwig
2023-04-04 14:08 ` [PATCH v3 03/11] documentation: Block Devices Snapshots Module Sergei Shtepa
2023-04-10 5:01 ` Bagas Sanjaya
2023-04-12 19:38 ` Donald Buczek
2023-04-14 12:34 ` Sergei Shtepa
2023-04-18 10:31 ` Sergei Shtepa
2023-04-18 14:48 ` Donald Buczek
2023-04-19 13:05 ` Sergei Shtepa
2023-04-19 19:42 ` Donald Buczek
2023-04-20 14:44 ` Donald Buczek
2023-04-20 19:17 ` Sergei Shtepa
2023-04-21 17:32 ` Sergei Shtepa
2023-04-22 20:01 ` Donald Buczek
2023-04-04 14:08 ` [PATCH v3 04/11] blksnap: header file of the module interface Sergei Shtepa
2023-04-04 14:08 ` [PATCH v3 05/11] blksnap: module management interface functions Sergei Shtepa
2023-04-04 14:08 ` [PATCH v3 06/11] blksnap: handling and tracking I/O units Sergei Shtepa
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