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5838d0356b
While running xfs/168, I noticed a second source of post-shrink corruption errors causing shutdowns. Let's say that directory B has a low inode number and is a child of directory A, which has a high number. If B is empty but open, and unlinked from A, B's dotdot link continues to point to A. If A is then unlinked and the filesystem shrunk so that A is no longer a valid inode, a subsequent AIL push of B will trip the inode verifiers because the dotdot entry points outside of the filesystem. To avoid this problem, reset B's dotdot entry to the root directory when unlinking directories, since the root directory cannot be removed. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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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.
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.