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At unmount time, XFS emits an alert for every in-core buffer that might have undergone a write error. In practice this behavior is probably reasonable given that the filesystem is likely short lived once I/O errors begin to occur consistently. Under certain test or otherwise expected error conditions, this can spam the logs and slow down the unmount. Now that we have a ratelimit mechanism specifically for buffer alerts, reuse it for the per-buffer alerts in xfs_wait_buftarg(). Also lift the final repair message out of the loop so it always prints and assert that the metadata error handling code has shut down the fs. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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.