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0357ba27bd
When resync or recovery is happening in one node, other nodes don't show the appropriate info now. For example, when create an array in master node without "--assume-clean", then assemble the array in slave nodes, you can see "resync=PENDING" when read /proc/mdstat in slave nodes. However, the info is confusing since "PENDING" status is introduced for start array in read-only mode. We introduce RESYNCING_REMOTE flag to indicate that resync thread is running in remote node. The flags is set when node receive RESYNCING msg. And we clear the REMOTE flag in following cases: 1. resync or recover is finished in master node, which means slaves receive msg with both lo and hi are set to 0. 2. node continues resync/recovery in recover_bitmaps. 3. when resync_finish is called. Then we show accurate information in status_resync by check REMOTE flags and with other conditions. 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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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.