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3bcee3b97c
This is a second part to remove the mixed use of rb_tree in discard_cmd from
extent_cache.
This should also fix arm32 memory alignment issue caused by shared rb_entry.
[struct discard_cmd] [struct rb_entry]
[0] struct rb_node rb_node; [0] struct rb_node rb_node;
union { union {
struct { struct {
[16] block_t lstart; [12] unsigned int ofs;
block_t len; unsigned int len;
};
unsigned long long key;
} __packed;
Cc: <stable@vger.kernel.org>
Fixes: 004b686218 ("f2fs: use rb-tree to track pending discard commands")
Signed-off-by: Jaegeuk Kim <jaegeuk@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.