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From: Max Reitz <mreitz@redhat.com>
To: Alberto Garcia <berto@igalia.com>, qemu-devel@nongnu.org
Cc: qemu-block@nongnu.org, Kevin Wolf <kwolf@redhat.com>,
	Eric Blake <eblake@redhat.com>,
	Anton Nefedov <anton.nefedov@virtuozzo.com>,
	"Denis V . Lunev" <den@openvz.org>
Subject: Re: [Qemu-devel] [PATCH v3 12/39] qcow2: Add offset_to_l1_index()
Date: Wed, 31 Jan 2018 20:43:04 +0100	[thread overview]
Message-ID: <5866e58c-de7b-b2d2-6deb-6d50490d04f4@redhat.com> (raw)
In-Reply-To: <d3c1ce653a6e8ba3bbbf2419109add9254dfe51b.1516978645.git.berto@igalia.com>

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On 2018-01-26 15:59, Alberto Garcia wrote:
> Similar to offset_to_l2_index(), this function returns the index in
> the L1 table for a given guest offset. This is only used in a couple
> of places and it's not a particularly complex calculation, but it
> makes the code a bit more readable.
> 
> Although in the qcow2_get_cluster_offset() case the old code was
> taking advantage of the l1_bits variable, we're going to get rid of
> the other uses of l1_bits in a later patch anyway, so it doesn't make
> sense to keep it just for this.
> 
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> ---
>  block/qcow2-cluster.c | 4 ++--
>  block/qcow2.h         | 5 +++++
>  2 files changed, 7 insertions(+), 2 deletions(-)

Reviewed-by: Max Reitz <mreitz@redhat.com>


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  reply	other threads:[~2018-01-31 19:43 UTC|newest]

Thread overview: 108+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-26 14:59 [Qemu-devel] [PATCH v3 00/39] Allow configuring the qcow2 L2 cache entry size Alberto Garcia
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 01/39] qcow2: Fix documentation of get_cluster_table() Alberto Garcia
2018-01-31 19:16   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 02/39] qcow2: Add table size field to Qcow2Cache Alberto Garcia
2018-01-31 19:25   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 03/39] qcow2: Remove BDS parameter from qcow2_cache_get_table_addr() Alberto Garcia
2018-01-31 19:26   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 04/39] qcow2: Remove BDS parameter from qcow2_cache_get_table_idx() Alberto Garcia
2018-01-31 19:27   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 05/39] qcow2: Remove BDS parameter from qcow2_cache_table_release() Alberto Garcia
2018-01-31 19:28   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 06/39] qcow2: Remove BDS parameter from qcow2_cache_entry_mark_dirty() Alberto Garcia
2018-01-31 19:30   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 07/39] qcow2: Remove BDS parameter from qcow2_cache_put() Alberto Garcia
2018-01-31 19:33   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 08/39] qcow2: Remove BDS parameter from qcow2_cache_destroy() Alberto Garcia
2018-01-31 19:35   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 09/39] qcow2: Remove BDS parameter from qcow2_cache_clean_unused() Alberto Garcia
2018-01-31 19:37   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 10/39] qcow2: Remove BDS parameter from qcow2_cache_discard() Alberto Garcia
2018-01-31 19:38   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 11/39] qcow2: Remove BDS parameter from qcow2_cache_is_table_offset() Alberto Garcia
2018-01-31 19:39   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 12/39] qcow2: Add offset_to_l1_index() Alberto Garcia
2018-01-31 19:43   ` Max Reitz [this message]
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 13/39] qcow2: Add l2_slice_size field to BDRVQcow2State Alberto Garcia
2018-01-31 19:48   ` Max Reitz
2018-02-01  9:51     ` Alberto Garcia
2018-02-01 18:09       ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 14/39] qcow2: Add offset_to_l2_slice_index() Alberto Garcia
2018-01-31 19:49   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 15/39] qcow2: Update l2_load() to support L2 slices Alberto Garcia
2018-01-31 19:56   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 16/39] qcow2: Prepare l2_allocate() for adding L2 slice support Alberto Garcia
2018-01-26 16:24   ` Eric Blake
2018-01-31 19:57   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 17/39] qcow2: Update l2_allocate() to support L2 slices Alberto Garcia
2018-01-26 16:30   ` Eric Blake
2018-01-31 20:07   ` Max Reitz
2018-02-01 13:13     ` Alberto Garcia
2018-02-01 15:23       ` Anton Nefedov
2018-02-01 15:43         ` Alberto Garcia
2018-02-01 18:22           ` Max Reitz
2018-02-02  8:08             ` Alberto Garcia
2018-02-01 18:15       ` Max Reitz
2018-02-02  9:41         ` Alberto Garcia
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 18/39] qcow2: Refactor get_cluster_table() Alberto Garcia
2018-01-26 16:37   ` Eric Blake
2018-01-31 20:11   ` Max Reitz
2018-02-01 10:40     ` Alberto Garcia
2018-02-01 18:10       ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 19/39] qcow2: Update get_cluster_table() to support L2 slices Alberto Garcia
2018-01-26 16:39   ` Eric Blake
2018-01-31 20:14   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 20/39] qcow2: Update qcow2_get_cluster_offset() " Alberto Garcia
2018-01-31 20:24   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 21/39] qcow2: Update qcow2_alloc_cluster_link_l2() " Alberto Garcia
2018-02-01 18:44   ` Max Reitz
2018-02-02  9:43     ` Alberto Garcia
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 22/39] qcow2: Update handle_copied() " Alberto Garcia
2018-02-01 18:54   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 23/39] qcow2: Update handle_alloc() " Alberto Garcia
2018-02-01 18:56   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 24/39] qcow2: Update discard_single_l2() " Alberto Garcia
2018-02-01 19:07   ` Max Reitz
2018-02-02  9:46     ` Alberto Garcia
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 25/39] qcow2: Update zero_single_l2() " Alberto Garcia
2018-02-01 19:08   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 26/39] qcow2: Prepare qcow2_update_snapshot_refcount() for adding L2 slice support Alberto Garcia
2018-01-26 19:38   ` Eric Blake
2018-02-01 19:21   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 27/39] qcow2: Update qcow2_update_snapshot_refcount() to support L2 slices Alberto Garcia
2018-01-26 19:39   ` Eric Blake
2018-02-01 19:26   ` Max Reitz
2018-02-02  9:56     ` Alberto Garcia
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 28/39] qcow2: Read refcount before L2 table in expand_zero_clusters_in_l1() Alberto Garcia
2018-01-26 19:41   ` Eric Blake
2018-02-01 19:29   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 29/39] qcow2: Prepare expand_zero_clusters_in_l1() for adding L2 slice support Alberto Garcia
2018-01-26 19:42   ` Eric Blake
2018-02-01 19:34   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 30/39] qcow2: Update expand_zero_clusters_in_l1() to support L2 slices Alberto Garcia
2018-01-26 19:46   ` Eric Blake
2018-01-29 12:06     ` Alberto Garcia
2018-02-01 19:44   ` Max Reitz
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 31/39] qcow2: Update qcow2_truncate() " Alberto Garcia
2018-02-01 19:46   ` Max Reitz
2018-02-02 10:10     ` Alberto Garcia
2018-01-26 14:59 ` [Qemu-devel] [PATCH v3 32/39] qcow2: Rename l2_table in qcow2_alloc_compressed_cluster_offset() Alberto Garcia
2018-02-01 19:48   ` Max Reitz
2018-01-26 15:00 ` [Qemu-devel] [PATCH v3 33/39] qcow2: Rename l2_table in count_contiguous_clusters() Alberto Garcia
2018-02-01 19:49   ` Max Reitz
2018-01-26 15:00 ` [Qemu-devel] [PATCH v3 34/39] qcow2: Rename l2_table in count_contiguous_clusters_unallocated() Alberto Garcia
2018-02-01 19:49   ` Max Reitz
2018-01-26 15:00 ` [Qemu-devel] [PATCH v3 35/39] qcow2: Rename l2_table in count_cow_clusters() Alberto Garcia
2018-02-01 19:50   ` Max Reitz
2018-01-26 15:00 ` [Qemu-devel] [PATCH v3 36/39] qcow2: Allow configuring the L2 slice size Alberto Garcia
2018-01-31 19:20   ` Eric Blake
2018-02-01 20:04   ` Max Reitz
2018-01-26 15:00 ` [Qemu-devel] [PATCH v3 37/39] iotests: Test valid values of l2-cache-entry-size Alberto Garcia
2018-01-31 19:21   ` Eric Blake
2018-02-01 20:05   ` Max Reitz
2018-01-26 15:00 ` [Qemu-devel] [PATCH v3 38/39] iotests: Test downgrading an image using a small L2 slice size Alberto Garcia
2018-01-31 19:23   ` Eric Blake
2018-02-01 20:11   ` Max Reitz
2018-01-26 15:00 ` [Qemu-devel] [PATCH v3 39/39] iotests: Add l2-cache-entry-size to iotest 137 Alberto Garcia
2018-01-31 19:23   ` Eric Blake
2018-02-01 20:12   ` Max Reitz

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