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Re: [PATCH 1/9] btrfs: Add support for reading a filesystem with a RAID
From: |
Goffredo Baroncelli |
Subject: |
Re: [PATCH 1/9] btrfs: Add support for reading a filesystem with a RAID 5 or RAID 6 profile. |
Date: |
Tue, 19 Jun 2018 19:30:52 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 06/14/2018 08:55 PM, Goffredo Baroncelli wrote:
>>> + * - stripe_offset is the offset from the beginning of the chunk
>>> + * disks physical address,
>> I am not sure that I understand. Could clarify this?
> - stripe_offset is the offset (in bytes) from the beginning of the chunk
> portion
> stored on disk.
>
> You can think "stripe_offset" as the "row" in the drawing, but measured in
> bytes.
>
After some thoughts, I will update this description as:
- * - stripe_offset is the offset from the beginning of the chunk
- * disks physical address,
+ * - stripe_offset is the disk offset from the beginning
+ * of the disk chunk mapping start,
--
gpg @keyserver.linux.it: Goffredo Baroncelli <kreijackATinwind.it>
Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5
- [PATCH V5] Add support for BTRFS raid5/6 to GRUB, Goffredo Baroncelli, 2018/06/03
- [PATCH 2/9] btrfs: Add helper to check the btrfs header., Goffredo Baroncelli, 2018/06/03
- [PATCH 5/9] btrfs: Move logging code in grub_btrfs_read_logical(), Goffredo Baroncelli, 2018/06/03
- [PATCH 6/9] btrfs: Refactor the code that read from disk, Goffredo Baroncelli, 2018/06/03
- [PATCH 7/9] btrfs: Add support for recovery for a RAID 5 btrfs profiles., Goffredo Baroncelli, 2018/06/03