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| Filename | Latest commit message | Latest commit date |
|---|---|---|
010228e4a9
When one node leaves cluster or stops the resyncing (resync or recovery) array, then other nodes need to call recover_bitmaps to continue the unfinished task. But we need to clear suspend_area later after other nodes copy the resync information to their bitmap (by call bitmap_copy_from_slot). Otherwise, all nodes could write to the suspend_area even the suspend_area is not handled by any node, because area_resyncing returns 0 at the beginning of raid1_write_request. Which means one node could write suspend_area while another node is resyncing the same area, then data could be inconsistent. So let's clear suspend_area later to avoid above issue with the protection of bm lock. Also it is straightforward to clear suspend_area after nodes have copied the resync info to bitmap. Signed-off-by: Guoqing Jiang <gqjiang@suse.com> Reviewed-by: NeilBrown <neilb@suse.com> Signed-off-by: Shaohua Li <shli@fb.com> |
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| README | ||
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.