This patchset can be fetched from github:
https://github.com/adam900710/btrfs-progs/tree/libbtrfs_prepare
This patchset unified a large part of chunk allocator (free device
extent search) between kernel and btrfs-progs.
And reuses kernel function structures like btrfs_finish_chunk_alloc()
and btrfs_alloc_dev_extent().
Before the unification:
Kernel | Btrfs-progs
btrfs_alloc_chunk() | btrfs_alloc_chunk()
|- __btrfs_alloc_chunk() | |- Do all the work
|
btrfs_create_pending_block_groups() |
|- btrfs_insert_item() |
|- btrfs_finish_chunk_alloc() |
|- btrfs_alloc_dev_extent() |
After the unification:
Kernel | Btrfs-progs
btrfs_alloc_chunk() | btrfs_alloc_chunk()
|- __btrfs_alloc_chunk() | |- __btrfs_alloc_chunk()
| |- btrfs_finish_chunk_alloc()
btrfs_create_pending_block_groups() | |- btrfs_alloc_dev_extent()
|- btrfs_insert_item() |
|- btrfs_finish_chunk_alloc() |
And the similiar functions are share the same code base, with minor
member/functions change.
This update only modifies patches 7 and after.
Changelog:
v2:
Make error handler in patch 7 better.
New patches to unify more functions used in btrfs_alloc_chunk()
Qu Wenruo (10):
btrfs-progs: Refactor parameter of BTRFS_MAX_DEVS() from root to
fs_info
btrfs-progs: Merge btrfs_alloc_data_chunk into btrfs_alloc_chunk
btrfs-progs: Make btrfs_alloc_chunk to handle block group creation
btrfs-progs: Introduce btrfs_raid_array and related infrastructures
btrfs-progs: volumes: Allow find_free_dev_extent() to return maximum
hole size
btrfs-progs: kernel-lib: Port kernel sort() to btrfs-progs
btrfs-progs: volumes: Unify free dev extent search behavior between
kernel and btrfs-progs.
btrfs-progs: Move chunk stripe size calcution function to volumes.h
btrfs-progs: Use btrfs_device->fs_info to replace
btrfs_device->dev_root
btrfs-progs: Refactor btrfs_alloc_chunk to mimic kernel structure and
behavior
Makefile | 3 +-
check/main.c | 22 --
convert/main.c | 10 +-
ctree.h | 12 +-
extent-tree.c | 12 +-
kerncompat.h | 5 +
kernel-lib/sort.c | 104 ++++++
kernel-lib/sort.h | 16 +
mkfs/main.c | 27 +-
utils.c | 2 +-
volumes.c | 927 ++++++++++++++++++++++++++++--------------------------
volumes.h | 66 +++-
12 files changed, 695 insertions(+), 511 deletions(-)
create mode 100644 kernel-lib/sort.c
create mode 100644 kernel-lib/sort.h
--
2.16.1
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