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0bfd3e1078
1) ufs_load_cylinder() should return NULL on ufs_read_cylinder() failures. ufs_error() is not enough. As it is, IO failure on attempt to read a part of cylinder group metadata is likely to end up with an oops. 2) we drop the wrong buffer heads when undoing sb_bread() on IO failure halfway through the read - we need to brelse() what we've got from sb_bread(), TYVM... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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 reStructuredText 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.