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f33321b29b
Currently udf_symlink_filler() called udf_block_map() even on files which have data stored inside the ICB. This is invalid as we cannot map blocks for such files (although so far the error got silently ignored). The call happened because we could not call block mapping function once we've acquired i_data_sem and determined whether the file has data stored in the ICB. For symlinks the situation is luckily simple as they get never modified so file type never changes once it is set. Hence we can check the file type even without i_data_sem. Just drop the i_data_sem locking and move block mapping to where it is needed. Signed-off-by: Jan Kara <jack@suse.cz>
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.