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In raid10_sync_request(), if data cannot be read from any disk for recovery, it will go to 'giveup' and let 'chunks_skipped' + 1. After multiple 'giveup', when 'chunks_skipped >= geo.raid_disks', it will return 'max_sector', indicating that the recovery has been completed. However, the recovery is just aborted and the data remains inconsistent. Fix it by setting mirror->recovery_disabled, which will prevent the spare disk from being added to this mirror. The same issue also exists during resync, it will be fixed afterwards. Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20230602091839.743798-2-linan666@huaweicloud.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.