On Tue, Sep 11, 2018 at 03:34:43PM -0700, Omar Sandoval wrote:

From: Omar Sandoval <redacted>

Hi,

This series implements swap file support for Btrfs.

Changes from v6 [1]:

- Moved btrfs_get_chunk_map() comment to function body
- Added more comments about pinned block group/device rbtree
- Fixed bug in patch 4 which broke resize

Based on v4.19-rc3.

Thanks!

1: https://www.spinics.net/lists/linux-btrfs/msg81732.html

Omar Sandoval (6):
  mm: split SWP_FILE into SWP_ACTIVATED and SWP_FS
  mm: export add_swap_extent()
  vfs: update swap_{,de}activate documentation
  Btrfs: prevent ioctls from interfering with a swap file
  Btrfs: rename get_chunk_map() and make it non-static
  Btrfs: support swap files

 Documentation/filesystems/Locking |  17 +-
 Documentation/filesystems/vfs.txt |  12 +-
 fs/btrfs/ctree.h                  |  29 +++
 fs/btrfs/dev-replace.c            |   8 +
 fs/btrfs/disk-io.c                |   4 +
 fs/btrfs/inode.c                  | 317 ++++++++++++++++++++++++++++++
 fs/btrfs/ioctl.c                  |  31 ++-
 fs/btrfs/relocation.c             |  18 +-
 fs/btrfs/volumes.c                |  82 ++++++--
 fs/btrfs/volumes.h                |   2 +
 include/linux/swap.h              |  13 +-
 mm/page_io.c                      |   6 +-
 mm/swapfile.c                     |  14 +-
 13 files changed, 502 insertions(+), 51 deletions(-)

Ping, any other comments on this version?