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The inode flush code has several layers of error handling between the inode and cluster flushing code. If the inode flush fails before acquiring the backing buffer, the inode flush is aborted. If the cluster flush fails, the current inode flush is aborted and the cluster buffer is failed to handle the initial inode and any others that might have been attached before the error. Since xfs_iflush() is the only caller of xfs_iflush_cluster(), the error handling between the two can be condensed in the top-level function. If we update xfs_iflush_int() to always fall through to the log item update and attach the item completion handler to the buffer, any errors that occur after the first call to xfs_iflush_int() can be handled with a buffer I/O failure. Lift the error handling from xfs_iflush_cluster() into xfs_iflush() and consolidate with the existing error handling. This also replaces the need to release the buffer because failing the buffer with XBF_ASYNC drops the current reference. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Darrick J. Wong <darrick.wong@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.