[PATCH v3 0/4] erofs-utils: mkfs: introduce multi-threaded compression

[Yifan Zhao]

change log since v2:
- squash per-worker tmpfile commit into previous PATCH
- give static global variable `erofs_` prefix
- remove inter-file compression support from this patchset
- introduce a new `z_erofs_file_compress_ctx` struct to divide the segment
  context from the file context
- remove the patch related to pring warning from this patchset, which may be
  supported later with atomic variables

Gao Xiang (1):
  erofs-utils: add a helper to get available processors

Yifan Zhao (3):
  erofs-utils: introduce multi-threading framework
  erofs-utils: mkfs: add --worker=# parameter
  erofs-utils: mkfs: introduce inner-file multi-threaded compression

 configure.ac              |  17 +
 include/erofs/compress.h  |   1 +
 include/erofs/config.h    |   5 +
 include/erofs/internal.h  |   3 +
 include/erofs/workqueue.h |  37 ++
 lib/Makefile.am           |   4 +
 lib/compress.c            | 690 +++++++++++++++++++++++++++++++-------
 lib/compressor.c          |   2 +
 lib/config.c              |  16 +
 lib/workqueue.c           | 132 ++++++++
 mkfs/main.c               |  38 +++
 11 files changed, 827 insertions(+), 118 deletions(-)
 create mode 100644 include/erofs/workqueue.h
 create mode 100644 lib/workqueue.c

-- 
2.44.0