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9196f57151
See following dmesg output with jbd2 debug enabled: ...(start_this_handle, 313): New handle 00000000c88d6ceb going live. ...(start_this_handle, 383): Handle 00000000c88d6ceb given 53 credits (total 53, free 32681) ...(do_get_write_access, 838): journal_head 0000000002856fc0, force_copy 0 ...(jbd2_journal_cancel_revoke, 421): journal_head 0000000002856fc0, cancelling revoke We have an extra line with every messages, this is a waste of buffer, we can fix it by removing "\n" in the caller or remove it in the __jbd2_debug(), i checked every jbd2_debug() passed '\n' explicitly. To avoid more lines, let's remove it inside __jbd2_debug(). Signed-off-by: Wang Shilong <wshilong@ddn.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.