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commit 6579dd808ddf0ddc10e59e715dc8f2eb09705203
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 6 17:13:06 2014 +1000
libxfs: provide extern include file
There will be different include files for userspace and
kernel versions of the library as userspace needs to stub out or
provide it's own versions of kernel only functionality. The header
file that external libxfs users will need to include is libxfs.h,
and there will be different implementations for both user and kernel
space.
All external users of libxfs will include this header file, thereby
eliminating the need for direct knowledge of the internal dependency
structure of the libxfs code. This significantly reduces the
complexity of including libxfs functioanlity into the kernel code,
and brings it in line with the way libxfs is used in userspace.
This also allows us to untangle some of the mess with kernel only
header files including shared header files directly, but does come
with one piece of baggage - the dependency that libxfs has on the
kernel xfs_mount.h. We'll deal with that at a later time, though.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
commit 5e51adf5d9bba8f91fb5a99551878781bcc392f9
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 6 16:23:33 2014 +1000
libxfs: consolidate internal include files
There will be different include files for userspace and
kernel versions of the library as userspace needs to stub out or
provide it's own versions of kernel only functionality, convert all
the internal libxfs source code to use the same single header file
infrastructure that userspace currently contains. This means all the
C source files will be identical, and only the header file will need
to change. Call this internal consolidated header file libxfs_int.h
to discriminate it from any other kernel or userspace header file.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
commit 612480ce6bf4f96535f766eb27eb1b360a5a0714
Author: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Tue May 6 14:55:30 2014 +1000
libxfs: move source files
Move all the source files that are shared with userspace into
libxfs/include. This is done as one big chunk simpy to get it done
quickly.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
commit 22b8ea8e926ea378a1066174a02147b90caebc12
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 6 14:54:32 2014 +1000
libxfs: move header files
Move all the header files that are shared with userspace into
libxfs/include. This is done as one big chunk simpy to get it done
quickly.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
commit 20c53cba45be9da5a49a19042ec151abbf4b365e
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 6 14:54:24 2014 +1000
xfs: create libxfs infrastructure
TO minimise the differences between kernel and userspace code,
split the kernel code into the same structure as the userspace code.
That is, the gneric core functionality of XFS is moved to a libxfs/
directory and treat it as a layering barrier in the XFS code.
This patch introduces the libxfs and libxfs/include directories,
the build infrastructure and an initial source and header file to
build. The libxfs/include directory will contain the header files
that are needed to build libxfs - most of userspace does not care
about the location of these header files as they are accessed
indirectly. Hence keeping them inside libxfs makes it easy to track
the changes and script the sync process as the directory structure
will be identical.
TO allow this changeover to occur in the kernel code, there are some
temporary infrastructure in the makefiles to grab the header
filesystem from both locations. Once all the files are moved,
modifications will be made in the source code that will make the
need for these include directives go away.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
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