[0/9,V2] btrfs: break up extent_io.c a little bit
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Message ID 20190917184344.13155-1-josef@toxicpanda.com
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  • btrfs: break up extent_io.c a little bit
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Josef Bacik Sept. 17, 2019, 6:43 p.m. UTC
- renamed find_delalloc_range to btrfs_find_delalloc_range for now.

-- Original email --
Currently extent_io.c includes all of the extent-io-tree code, the extent buffer
code, the code to do IO on extent buffers and data extents, as well as a bunch
of other random stuff.  The random stuff just needs to be cleaned up, and is
probably too invasive for this point in the development cycle.  Instead I simply
tackled moving the big obvious things out into their own files.  I will follow
up with cleanups for the rest of the stuff, but those can probably wait until
the next cycle as they are going to be slightly more risky.  As usual I didn't
try to change anything, I simply moved code around.  Any time I needed to make
actual changes to functions I made a separate patch for that work, so for
example breaking up the init/exit functions for extent-io-tree.  Everything else
is purely cut and paste into new files.  The diffstat is as follows

 fs/btrfs/Makefile         |    3 +-
 fs/btrfs/ctree.h          |    3 +-
 fs/btrfs/disk-io.h        |    2 +
 fs/btrfs/extent-buffer.c  | 1266 ++++++++
 fs/btrfs/extent-buffer.h  |  152 +
 fs/btrfs/extent-io-tree.c | 1955 ++++++++++++
 fs/btrfs/extent-io-tree.h |  248 ++
 fs/btrfs/extent_io.c      | 7555 +++++++++++++--------------------------------
 fs/btrfs/extent_io.h      |  372 +--
 fs/btrfs/super.c          |   16 +-
 10 files changed, 5843 insertions(+), 5729 deletions(-)