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The commitf05499a06f("writeback: use ino_t for inodes in tracepoints") introduced a lot of GCC compilation warnings on s390, In file included from ./include/trace/define_trace.h:102, from ./include/trace/events/writeback.h:904, from fs/fs-writeback.c:82: ./include/trace/events/writeback.h: In function 'trace_raw_output_writeback_page_template': ./include/trace/events/writeback.h:76:12: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'ino_t' {aka 'unsigned int'} [-Wformat=] TP_printk("bdi %s: ino=%lu index=%lu", ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ./include/trace/trace_events.h:360:22: note: in definition of macro 'DECLARE_EVENT_CLASS' trace_seq_printf(s, print); \ ^~~~~ ./include/trace/events/writeback.h:76:2: note: in expansion of macro 'TP_printk' TP_printk("bdi %s: ino=%lu index=%lu", ^~~~~~~~~ Fix them by adding necessary casts where ino_t could be either "unsigned int" or "unsigned long". Fixes:f05499a06f("writeback: use ino_t for inodes in tracepoints") Signed-off-by: Qian Cai <cai@lca.pw> Signed-off-by: Tejun Heo <tj@kernel.org>
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.