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5717ea4d52
Now that we have all the dirty inodes attached to the cluster buffer, we don't actually have to do radix tree lookups to find them. Sure, the radix tree is efficient, but walking a linked list of just the dirty inodes attached to the buffer is much better. We are also no longer dependent on having a locked inode passed into the function to determine where to start the lookup. This means we can drop it from the function call and treat all inodes the same. We also make xfs_iflush_cluster skip inodes marked with XFS_IRECLAIM. This we avoid races with inodes that reclaim is actively referencing or are being re-initialised by inode lookup. If they are actually dirty, they'll get written by a future cluster flush.... We also add a shutdown check after obtaining the flush lock so that we catch inodes that are dirty in memory and may have inconsistent state due to the shutdown in progress. We abort these inodes directly and so they remove themselves directly from the buffer list and the AIL rather than having to wait for the buffer to be failed and callbacks run to be processed correctly. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> |
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| Documentation | ||
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| fs | ||
| include | ||
| init | ||
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| kernel | ||
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| net | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
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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.