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Re: [Qemu-block] [PATCH v4 31/39] qcow2: Update qcow2_truncate() to supp
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From: |
Max Reitz |
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Subject: |
Re: [Qemu-block] [PATCH v4 31/39] qcow2: Update qcow2_truncate() to support L2 slices |
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Date: |
Mon, 5 Feb 2018 16:47:11 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
On 2018-02-05 15:33, Alberto Garcia wrote:
> The qcow2_truncate() code is mostly independent from whether
> we're using L2 slices or full L2 tables, but in full and
> falloc preallocation modes new L2 tables are allocated using
> qcow2_alloc_cluster_link_l2(). Therefore the code needs to be
> modified to ensure that all nb_clusters that are processed in each
> call can be allocated with just one L2 slice.
>
> Signed-off-by: Alberto Garcia <address@hidden>
> ---
> block/qcow2.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
Reviewed-by: Max Reitz <address@hidden>
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- [Qemu-block] [PATCH v4 02/39] qcow2: Add table size field to Qcow2Cache, (continued)
- [Qemu-block] [PATCH v4 02/39] qcow2: Add table size field to Qcow2Cache, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 37/39] iotests: Test valid values of l2-cache-entry-size, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 33/39] qcow2: Rename l2_table in count_contiguous_clusters(), Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 38/39] iotests: Test downgrading an image using a small L2 slice size, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 36/39] qcow2: Allow configuring the L2 slice size, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 32/39] qcow2: Rename l2_table in qcow2_alloc_compressed_cluster_offset(), Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 30/39] qcow2: Update expand_zero_clusters_in_l1() to support L2 slices, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 31/39] qcow2: Update qcow2_truncate() to support L2 slices, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 39/39] iotests: Add l2-cache-entry-size to iotest 137, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 22/39] qcow2: Update handle_copied() to support L2 slices, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 27/39] qcow2: Update qcow2_update_snapshot_refcount() to support L2 slices, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 28/39] qcow2: Read refcount before L2 table in expand_zero_clusters_in_l1(), Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 14/39] qcow2: Add offset_to_l2_slice_index(), Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 29/39] qcow2: Prepare expand_zero_clusters_in_l1() for adding L2 slice support, Alberto Garcia, 2018/02/05
- [Qemu-block] [PATCH v4 21/39] qcow2: Update qcow2_alloc_cluster_link_l2() to support L2 slices, Alberto Garcia, 2018/02/05