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70aa1554b0
ext_debug() msgs could be helpful, provided those could be enabled without recompiling kernel and also if we could selectively enable only required prints for case by case debugging. So make ext_debug() implementation use pr_debug(). Also change ext_debug() to be defined with CONFIG_EXT4_DEBUG. So EXT_DEBUG macro now mostly remain for below 3 functions. ext4_ext_show_path/leaf/move() (whose print msgs use ext_debug() which again could be dynamically enabled using pr_debug()) This also changes the ext_debug() to take inode as a parameter to add inode no. in all of it's msgs. Prints additional info like process name / pid, superblock id etc. This also removes any explicit function names passed in ext_debug(). Since ext_debug() on it's own prints file, func and line no. Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com> Link: https://lore.kernel.org/r/d31dc189b0aeda9384fe7665e36da7cd8c61571f.1589086800.git.riteshh@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> |
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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.