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f4c32e87de
The realtime bitmap and summary files are regular files that are hidden away from the directory tree. Since they're regular files, inode inactivation will try to purge what it thinks are speculative preallocations beyond the incore size of the file. Unfortunately, xfs_growfs_rt forgets to update the incore size when it resizes the inodes, with the result that inactivating the rt inodes at unmount time will cause their contents to be truncated. Fix this by updating the incore size when we change the ondisk size as part of updating the superblock. Note that we don't do this when we're allocating blocks to the rt inodes because we actually want those blocks to get purged if the growfs fails. This fixes corruption complaints from the online rtsummary checker when running xfs/233. Since that test requires rmap, one can also trigger this by growing an rt volume, cycling the mount, and creating rt files. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> |
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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.