From: Christoph Hellwig <hch@infradead.org>
To: Sergei Shtepa <sergei.shtepa@veeam.com>
Cc: axboe@kernel.dk, corbet@lwn.net, linux-block@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 13/21] block, blksnap: functions and structures for performing block I/O operations
Date: Thu, 15 Dec 2022 02:06:22 -0800 [thread overview]
Message-ID: <Y5rxnsKpQga5GRzY@infradead.org> (raw)
In-Reply-To: <20221209142331.26395-14-sergei.shtepa@veeam.com>
> + bio = bio_alloc_bioset(diff_region->bdev, nr_iovecs, opf, gfp_mask,
> + &diff_io_bioset);
> + if (unlikely(!bio)) {
> + if (is_nowait)
> + ret = -EAGAIN;
> + else
> + ret = -ENOMEM;
> + goto fail;
bio_alloc_bioset can't fail for the !is_nowait case.
next prev parent reply other threads:[~2022-12-15 10:06 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-09 14:23 [PATCH v2 00/21] blksnap - block devices snapshots module Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 01/21] documentation, blkfilter: Block Device Filtering Mechanism Sergei Shtepa
2022-12-10 4:15 ` Bagas Sanjaya
2022-12-09 14:23 ` [PATCH v2 02/21] block, " Sergei Shtepa
2022-12-15 9:26 ` Christoph Hellwig
2022-12-15 10:46 ` Sergei Shtepa
2022-12-16 7:04 ` Christoph Hellwig
2023-01-31 23:58 ` Mike Snitzer
2023-02-01 11:09 ` Fabio Fantoni
2023-02-01 13:16 ` Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 03/21] documentation, capability: fix Generic Block Device Capability Sergei Shtepa
2022-12-13 12:13 ` Fabio Fantoni
2022-12-30 15:35 ` Fabio Fantoni
2022-12-09 14:23 ` [PATCH v2 04/21] documentation, blksnap: Block Devices Snapshots Module Sergei Shtepa
2022-12-10 3:50 ` Bagas Sanjaya
2022-12-09 14:23 ` [PATCH v2 05/21] block, blksnap: header file of the module interface Sergei Shtepa
2022-12-09 22:13 ` kernel test robot
2022-12-09 23:14 ` kernel test robot
2022-12-09 14:23 ` [PATCH v2 06/21] block, blksnap: module management interface functions Sergei Shtepa
2022-12-15 9:28 ` Christoph Hellwig
[not found] ` <CGME20230103153406eucas1p205c48bd767e6a86f6f1121db7eb5fc19@eucas1p2.samsung.com>
2023-01-03 15:26 ` Pankaj Raghav
2022-12-09 14:23 ` [PATCH v2 07/21] block, blksnap: init() and exit() functions Sergei Shtepa
2022-12-15 9:30 ` Christoph Hellwig
2022-12-09 14:23 ` [PATCH v2 08/21] block, blksnap: interaction with sysfs Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 09/21] block, blksnap: attaching and detaching the filter and handling I/O units Sergei Shtepa
2022-12-15 10:01 ` Christoph Hellwig
2022-12-09 14:23 ` [PATCH v2 10/21] block, blksnap: map of change block tracking Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 11/21] block, blksnap: minimum data storage unit of the original block device Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 12/21] block, blksnap: buffer in memory for the minimum data storage unit Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 13/21] block, blksnap: functions and structures for performing block I/O operations Sergei Shtepa
2022-12-15 10:06 ` Christoph Hellwig [this message]
2022-12-09 14:23 ` [PATCH v2 14/21] block, blksnap: storage for storing difference blocks Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 15/21] block, blksnap: event queue from the difference storage Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 16/21] block, blksnap: owner of information about overwritten blocks of the original block device Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 17/21] block, blksnap: snapshot image " Sergei Shtepa
2022-12-15 9:45 ` Christoph Hellwig
2022-12-09 14:23 ` [PATCH v2 18/21] block, blksnap: snapshot Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 19/21] block, blksnap: Kconfig and Makefile Sergei Shtepa
2022-12-09 14:23 ` [PATCH v2 20/21] block, blksnap: adds a blksnap to the kernel tree Sergei Shtepa
2022-12-09 21:53 ` kernel test robot
2022-12-09 14:23 ` [PATCH v2 21/21] block, blksnap: adds a maintainer for new files Sergei Shtepa
2022-12-10 3:23 ` [PATCH v2 00/21] blksnap - block devices snapshots module Bagas Sanjaya
2022-12-10 22:57 ` Sergei Shtepa
[not found] ` <20230101071813.3329-1-hdanton@sina.com>
2023-01-02 9:44 ` [PATCH v2 17/21] block, blksnap: snapshot image block device Sergei Shtepa
[not found] ` <20230101110542.3395-1-hdanton@sina.com>
2023-01-02 9:58 ` [PATCH v2 18/21] block, blksnap: snapshot Sergei Shtepa
2023-01-17 21:04 ` [PATCH v2 00/21] blksnap - block devices snapshots module Mike Snitzer
2023-01-18 10:51 ` Hannes Reinecke
2023-01-24 11:34 ` Sergei Shtepa
2023-01-31 20:47 ` Mike Snitzer
2023-02-01 2:32 ` Mason Giles
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