[GIT PULL] bcachefs

Kent Overstreet
2023-09-03T03:26:20Z

Hi Linus,

here's the bcachefs pull request, for 6.6. Hopefully everything
outstanding from the previous PR thread has been resolved; the block
layer prereqs are in now via Jens's tree and the dcache helper has a
reviewed-by from Christain.

Since the last 6.5 PR, it's now marked as EXPERIMENTAL; there's also
been a bunch of on disk forwards compatibility work.

Previous PR thread...
https://lore.kernel.org/all/20230626214656.hcp4puionmtoloat@moria.home.lan/

As before, the list of patches is just from the bcachefs-prereqs branch,
the diffstat is for the entire pull.

Test results are up here:
https://evilpiepirate.org/~testdashboard/ci?branch=bcachefs-for-upstream

Cheers,
Kent

----------------------------------------------------------------
The following changes since commit b97d64c722598ffed42ece814a2cb791336c6679:

Merge tag '6.6-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6 (2023-08-30 21:01:40 -0700)

are available in the Git repository at:

https://evilpiepirate.org/git/bcachefs.git bcachefs-for-upstream

for you to fetch changes up to df0bfb05a6b3817b1fb5ea4d80514681e86fe702:

bcachefs: Fix snapshot_skiplist_good() (2023-09-02 15:09:04 -0400)

----------------------------------------------------------------
Brian Foster (1):
locking: export contention tracepoints for bcachefs six locks

Christopher James Halse Rogers (1):
stacktrace: Export stack_trace_save_tsk

Kent Overstreet (13):
sched: Add task_struct->faults_disabled_mapping
fs: factor out d_mark_tmpfile()
lib/string_helpers: string_get_size() now returns characters wrote
lib: Export errname
locking/osq: Export osq_(lock|unlock)
bcache: move closures to lib/
MAINTAINERS: Add entry for closures
closures: closure_wait_event()
closures: closure_nr_remaining()
closures: Add a missing include
MAINTAINERS: Add entry for generic-radix-tree
lib/generic-radix-tree.c: Don't overflow in peek()
lib/generic-radix-tree.c: Add peek_prev()

MAINTAINERS | 23 +
drivers/md/bcache/Kconfig | 10 +-
drivers/md/bcache/Makefile | 4 +-
drivers/md/bcache/bcache.h | 2 +-
drivers/md/bcache/super.c | 1 -
drivers/md/bcache/util.h | 3 +-
fs/Kconfig | 1 +
fs/Makefile | 1 +
fs/bcachefs/Kconfig | 85 +
fs/bcachefs/Makefile | 85 +
fs/bcachefs/acl.c | 412 +++
fs/bcachefs/acl.h | 58 +
fs/bcachefs/alloc_background.c | 2157 +++++++++++++++
fs/bcachefs/alloc_background.h | 257 ++
fs/bcachefs/alloc_foreground.c | 1571 +++++++++++
fs/bcachefs/alloc_foreground.h | 224 ++
fs/bcachefs/alloc_types.h | 126 +
fs/bcachefs/backpointers.c | 873 +++++++
fs/bcachefs/backpointers.h | 131 +
fs/bcachefs/bbpos.h | 48 +
fs/bcachefs/bcachefs.h | 1146 ++++++++
fs/bcachefs/bcachefs_format.h | 2368 +++++++++++++++++
fs/bcachefs/bcachefs_ioctl.h | 368 +++
fs/bcachefs/bkey.c | 1107 ++++++++
fs/bcachefs/bkey.h | 782 ++++++
fs/bcachefs/bkey_buf.h | 61 +
fs/bcachefs/bkey_cmp.h | 129 +
fs/bcachefs/bkey_methods.c | 456 ++++
fs/bcachefs/bkey_methods.h | 188 ++
fs/bcachefs/bkey_sort.c | 201 ++
fs/bcachefs/bkey_sort.h | 44 +
fs/bcachefs/bset.c | 1587 +++++++++++
fs/bcachefs/bset.h | 541 ++++
fs/bcachefs/btree_cache.c | 1213 +++++++++
fs/bcachefs/btree_cache.h | 130 +
fs/bcachefs/btree_gc.c | 2124 +++++++++++++++
fs/bcachefs/btree_gc.h | 114 +
fs/bcachefs/btree_io.c | 2245 ++++++++++++++++
fs/bcachefs/btree_io.h | 228 ++
fs/bcachefs/btree_iter.c | 3192 +++++++++++++++++++++++
fs/bcachefs/btree_iter.h | 940 +++++++
fs/bcachefs/btree_journal_iter.c | 531 ++++
fs/bcachefs/btree_journal_iter.h | 57 +
fs/bcachefs/btree_key_cache.c | 1074 ++++++++
fs/bcachefs/btree_key_cache.h | 48 +
fs/bcachefs/btree_locking.c | 791 ++++++
fs/bcachefs/btree_locking.h | 423 +++
fs/bcachefs/btree_trans_commit.c | 1156 ++++++++
fs/bcachefs/btree_types.h | 739 ++++++
fs/bcachefs/btree_update.c | 898 +++++++
fs/bcachefs/btree_update.h | 353 +++
fs/bcachefs/btree_update_interior.c | 2488 ++++++++++++++++++
fs/bcachefs/btree_update_interior.h | 337 +++
fs/bcachefs/btree_write_buffer.c | 375 +++
fs/bcachefs/btree_write_buffer.h | 14 +
fs/bcachefs/btree_write_buffer_types.h | 44 +
fs/bcachefs/buckets.c | 2107 +++++++++++++++
fs/bcachefs/buckets.h | 413 +++
fs/bcachefs/buckets_types.h | 92 +
fs/bcachefs/buckets_waiting_for_journal.c | 166 ++
fs/bcachefs/buckets_waiting_for_journal.h | 15 +
fs/bcachefs/buckets_waiting_for_journal_types.h | 23 +
fs/bcachefs/chardev.c | 769 ++++++
fs/bcachefs/chardev.h | 31 +
fs/bcachefs/checksum.c | 753 ++++++
fs/bcachefs/checksum.h | 211 ++
fs/bcachefs/clock.c | 193 ++
fs/bcachefs/clock.h | 38 +
fs/bcachefs/clock_types.h | 37 +
fs/bcachefs/compress.c | 714 +++++
fs/bcachefs/compress.h | 55 +
fs/bcachefs/counters.c | 107 +
fs/bcachefs/counters.h | 17 +
fs/bcachefs/darray.h | 87 +
fs/bcachefs/data_update.c | 562 ++++
fs/bcachefs/data_update.h | 43 +
fs/bcachefs/debug.c | 957 +++++++
fs/bcachefs/debug.h | 32 +
fs/bcachefs/dirent.c | 590 +++++
fs/bcachefs/dirent.h | 70 +
fs/bcachefs/disk_groups.c | 556 ++++
fs/bcachefs/disk_groups.h | 106 +
fs/bcachefs/ec.c | 1972 ++++++++++++++
fs/bcachefs/ec.h | 260 ++
fs/bcachefs/ec_types.h | 41 +
fs/bcachefs/errcode.c | 63 +
fs/bcachefs/errcode.h | 252 ++
fs/bcachefs/error.c | 294 +++
fs/bcachefs/error.h | 206 ++
fs/bcachefs/extent_update.c | 173 ++
fs/bcachefs/extent_update.h | 12 +
fs/bcachefs/extents.c | 1403 ++++++++++
fs/bcachefs/extents.h | 757 ++++++
fs/bcachefs/extents_types.h | 40 +
fs/bcachefs/eytzinger.h | 281 ++
fs/bcachefs/fifo.h | 127 +
fs/bcachefs/fs-common.c | 501 ++++
fs/bcachefs/fs-common.h | 43 +
fs/bcachefs/fs-io-buffered.c | 1099 ++++++++
fs/bcachefs/fs-io-buffered.h | 27 +
fs/bcachefs/fs-io-direct.c | 679 +++++
fs/bcachefs/fs-io-direct.h | 16 +
fs/bcachefs/fs-io-pagecache.c | 788 ++++++
fs/bcachefs/fs-io-pagecache.h | 176 ++
fs/bcachefs/fs-io.c | 1250 +++++++++
fs/bcachefs/fs-io.h | 184 ++
fs/bcachefs/fs-ioctl.c | 559 ++++
fs/bcachefs/fs-ioctl.h | 81 +
fs/bcachefs/fs.c | 1961 ++++++++++++++
fs/bcachefs/fs.h | 209 ++
fs/bcachefs/fsck.c | 2483 ++++++++++++++++++
fs/bcachefs/fsck.h | 14 +
fs/bcachefs/inode.c | 1111 ++++++++
fs/bcachefs/inode.h | 204 ++
fs/bcachefs/io.c | 3051 ++++++++++++++++++++++
fs/bcachefs/io.h | 202 ++
fs/bcachefs/io_types.h | 165 ++
fs/bcachefs/journal.c | 1438 ++++++++++
fs/bcachefs/journal.h | 526 ++++
fs/bcachefs/journal_io.c | 1888 ++++++++++++++
fs/bcachefs/journal_io.h | 65 +
fs/bcachefs/journal_reclaim.c | 874 +++++++
fs/bcachefs/journal_reclaim.h | 86 +
fs/bcachefs/journal_sb.c | 219 ++
fs/bcachefs/journal_sb.h | 24 +
fs/bcachefs/journal_seq_blacklist.c | 322 +++
fs/bcachefs/journal_seq_blacklist.h | 22 +
fs/bcachefs/journal_types.h | 345 +++
fs/bcachefs/keylist.c | 52 +
fs/bcachefs/keylist.h | 74 +
fs/bcachefs/keylist_types.h | 16 +
fs/bcachefs/lru.c | 162 ++
fs/bcachefs/lru.h | 69 +
fs/bcachefs/mean_and_variance.c | 159 ++
fs/bcachefs/mean_and_variance.h | 198 ++
fs/bcachefs/mean_and_variance_test.c | 240 ++
fs/bcachefs/migrate.c | 182 ++
fs/bcachefs/migrate.h | 7 +
fs/bcachefs/move.c | 1162 +++++++++
fs/bcachefs/move.h | 95 +
fs/bcachefs/move_types.h | 36 +
fs/bcachefs/movinggc.c | 423 +++
fs/bcachefs/movinggc.h | 12 +
fs/bcachefs/nocow_locking.c | 123 +
fs/bcachefs/nocow_locking.h | 49 +
fs/bcachefs/nocow_locking_types.h | 20 +
fs/bcachefs/opts.c | 599 +++++
fs/bcachefs/opts.h | 563 ++++
fs/bcachefs/printbuf.c | 415 +++
fs/bcachefs/printbuf.h | 284 ++
fs/bcachefs/quota.c | 981 +++++++
fs/bcachefs/quota.h | 74 +
fs/bcachefs/quota_types.h | 43 +
fs/bcachefs/rebalance.c | 368 +++
fs/bcachefs/rebalance.h | 28 +
fs/bcachefs/rebalance_types.h | 26 +
fs/bcachefs/recovery.c | 1057 ++++++++
fs/bcachefs/recovery.h | 33 +
fs/bcachefs/recovery_types.h | 48 +
fs/bcachefs/reflink.c | 399 +++
fs/bcachefs/reflink.h | 81 +
fs/bcachefs/replicas.c | 1059 ++++++++
fs/bcachefs/replicas.h | 91 +
fs/bcachefs/replicas_types.h | 27 +
fs/bcachefs/sb-clean.c | 395 +++
fs/bcachefs/sb-clean.h | 16 +
fs/bcachefs/sb-members.c | 173 ++
fs/bcachefs/sb-members.h | 176 ++
fs/bcachefs/seqmutex.h | 48 +
fs/bcachefs/siphash.c | 173 ++
fs/bcachefs/siphash.h | 87 +
fs/bcachefs/six.c | 914 +++++++
fs/bcachefs/six.h | 388 +++
fs/bcachefs/snapshot.c | 1687 ++++++++++++
fs/bcachefs/snapshot.h | 272 ++
fs/bcachefs/str_hash.h | 370 +++
fs/bcachefs/subvolume.c | 451 ++++
fs/bcachefs/subvolume.h | 35 +
fs/bcachefs/subvolume_types.h | 31 +
fs/bcachefs/super-io.c | 1265 +++++++++
fs/bcachefs/super-io.h | 133 +
fs/bcachefs/super.c | 2015 ++++++++++++++
fs/bcachefs/super.h | 52 +
fs/bcachefs/super_types.h | 52 +
fs/bcachefs/sysfs.c | 1059 ++++++++
fs/bcachefs/sysfs.h | 48 +
fs/bcachefs/tests.c | 970 +++++++
fs/bcachefs/tests.h | 15 +
fs/bcachefs/trace.c | 16 +
fs/bcachefs/trace.h | 1265 +++++++++
fs/bcachefs/two_state_shared_lock.c | 8 +
fs/bcachefs/two_state_shared_lock.h | 59 +
fs/bcachefs/util.c | 1144 ++++++++
fs/bcachefs/util.h | 852 ++++++
fs/bcachefs/varint.c | 123 +
fs/bcachefs/varint.h | 11 +
fs/bcachefs/vstructs.h | 63 +
fs/bcachefs/xattr.c | 649 +++++
fs/bcachefs/xattr.h | 50 +
fs/dcache.c | 12 +-
{drivers/md/bcache => include/linux}/closure.h | 46 +-
include/linux/dcache.h | 1 +
include/linux/exportfs.h | 6 +
include/linux/generic-radix-tree.h | 68 +-
include/linux/sched.h | 1 +
include/linux/string_helpers.h | 4 +-
init/init_task.c | 1 +
kernel/locking/mutex.c | 3 +
kernel/locking/osq_lock.c | 2 +
kernel/stacktrace.c | 2 +
lib/Kconfig | 3 +
lib/Kconfig.debug | 9 +
lib/Makefile | 2 +
{drivers/md/bcache => lib}/closure.c | 36 +-
lib/errname.c | 1 +
lib/generic-radix-tree.c | 76 +-
lib/string_helpers.c | 10 +-
217 files changed, 94348 insertions(+), 56 deletions(-)
create mode 100644 fs/bcachefs/Kconfig
create mode 100644 fs/bcachefs/Makefile
create mode 100644 fs/bcachefs/acl.c
create mode 100644 fs/bcachefs/acl.h
create mode 100644 fs/bcachefs/alloc_background.c
create mode 100644 fs/bcachefs/alloc_background.h
create mode 100644 fs/bcachefs/alloc_foreground.c
create mode 100644 fs/bcachefs/alloc_foreground.h
create mode 100644 fs/bcachefs/alloc_types.h
create mode 100644 fs/bcachefs/backpointers.c
create mode 100644 fs/bcachefs/backpointers.h
create mode 100644 fs/bcachefs/bbpos.h
create mode 100644 fs/bcachefs/bcachefs.h
create mode 100644 fs/bcachefs/bcachefs_format.h
create mode 100644 fs/bcachefs/bcachefs_ioctl.h
create mode 100644 fs/bcachefs/bkey.c
create mode 100644 fs/bcachefs/bkey.h
create mode 100644 fs/bcachefs/bkey_buf.h
create mode 100644 fs/bcachefs/bkey_cmp.h
create mode 100644 fs/bcachefs/bkey_methods.c
create mode 100644 fs/bcachefs/bkey_methods.h
create mode 100644 fs/bcachefs/bkey_sort.c
create mode 100644 fs/bcachefs/bkey_sort.h
create mode 100644 fs/bcachefs/bset.c
create mode 100644 fs/bcachefs/bset.h
create mode 100644 fs/bcachefs/btree_cache.c
create mode 100644 fs/bcachefs/btree_cache.h
create mode 100644 fs/bcachefs/btree_gc.c
create mode 100644 fs/bcachefs/btree_gc.h
create mode 100644 fs/bcachefs/btree_io.c
create mode 100644 fs/bcachefs/btree_io.h
create mode 100644 fs/bcachefs/btree_iter.c
create mode 100644 fs/bcachefs/btree_iter.h
create mode 100644 fs/bcachefs/btree_journal_iter.c
create mode 100644 fs/bcachefs/btree_journal_iter.h
create mode 100644 fs/bcachefs/btree_key_cache.c
create mode 100644 fs/bcachefs/btree_key_cache.h
create mode 100644 fs/bcachefs/btree_locking.c
create mode 100644 fs/bcachefs/btree_locking.h
create mode 100644 fs/bcachefs/btree_trans_commit.c
create mode 100644 fs/bcachefs/btree_types.h
create mode 100644 fs/bcachefs/btree_update.c
create mode 100644 fs/bcachefs/btree_update.h
create mode 100644 fs/bcachefs/btree_update_interior.c
create mode 100644 fs/bcachefs/btree_update_interior.h
create mode 100644 fs/bcachefs/btree_write_buffer.c
create mode 100644 fs/bcachefs/btree_write_buffer.h
create mode 100644 fs/bcachefs/btree_write_buffer_types.h
create mode 100644 fs/bcachefs/buckets.c
create mode 100644 fs/bcachefs/buckets.h
create mode 100644 fs/bcachefs/buckets_types.h
create mode 100644 fs/bcachefs/buckets_waiting_for_journal.c
create mode 100644 fs/bcachefs/buckets_waiting_for_journal.h
create mode 100644 fs/bcachefs/buckets_waiting_for_journal_types.h
create mode 100644 fs/bcachefs/chardev.c
create mode 100644 fs/bcachefs/chardev.h
create mode 100644 fs/bcachefs/checksum.c
create mode 100644 fs/bcachefs/checksum.h
create mode 100644 fs/bcachefs/clock.c
create mode 100644 fs/bcachefs/clock.h
create mode 100644 fs/bcachefs/clock_types.h
create mode 100644 fs/bcachefs/compress.c
create mode 100644 fs/bcachefs/compress.h
create mode 100644 fs/bcachefs/counters.c
create mode 100644 fs/bcachefs/counters.h
create mode 100644 fs/bcachefs/darray.h
create mode 100644 fs/bcachefs/data_update.c
create mode 100644 fs/bcachefs/data_update.h
create mode 100644 fs/bcachefs/debug.c
create mode 100644 fs/bcachefs/debug.h
create mode 100644 fs/bcachefs/dirent.c
create mode 100644 fs/bcachefs/dirent.h
create mode 100644 fs/bcachefs/disk_groups.c
create mode 100644 fs/bcachefs/disk_groups.h
create mode 100644 fs/bcachefs/ec.c
create mode 100644 fs/bcachefs/ec.h
create mode 100644 fs/bcachefs/ec_types.h
create mode 100644 fs/bcachefs/errcode.c
create mode 100644 fs/bcachefs/errcode.h
create mode 100644 fs/bcachefs/error.c
create mode 100644 fs/bcachefs/error.h
create mode 100644 fs/bcachefs/extent_update.c
create mode 100644 fs/bcachefs/extent_update.h
create mode 100644 fs/bcachefs/extents.c
create mode 100644 fs/bcachefs/extents.h
create mode 100644 fs/bcachefs/extents_types.h
create mode 100644 fs/bcachefs/eytzinger.h
create mode 100644 fs/bcachefs/fifo.h
create mode 100644 fs/bcachefs/fs-common.c
create mode 100644 fs/bcachefs/fs-common.h
create mode 100644 fs/bcachefs/fs-io-buffered.c
create mode 100644 fs/bcachefs/fs-io-buffered.h
create mode 100644 fs/bcachefs/fs-io-direct.c
create mode 100644 fs/bcachefs/fs-io-direct.h
create mode 100644 fs/bcachefs/fs-io-pagecache.c
create mode 100644 fs/bcachefs/fs-io-pagecache.h
create mode 100644 fs/bcachefs/fs-io.c
create mode 100644 fs/bcachefs/fs-io.h
create mode 100644 fs/bcachefs/fs-ioctl.c
create mode 100644 fs/bcachefs/fs-ioctl.h
create mode 100644 fs/bcachefs/fs.c
create mode 100644 fs/bcachefs/fs.h
create mode 100644 fs/bcachefs/fsck.c
create mode 100644 fs/bcachefs/fsck.h
create mode 100644 fs/bcachefs/inode.c
create mode 100644 fs/bcachefs/inode.h
create mode 100644 fs/bcachefs/io.c
create mode 100644 fs/bcachefs/io.h
create mode 100644 fs/bcachefs/io_types.h
create mode 100644 fs/bcachefs/journal.c
create mode 100644 fs/bcachefs/journal.h
create mode 100644 fs/bcachefs/journal_io.c
create mode 100644 fs/bcachefs/journal_io.h
create mode 100644 fs/bcachefs/journal_reclaim.c
create mode 100644 fs/bcachefs/journal_reclaim.h
create mode 100644 fs/bcachefs/journal_sb.c
create mode 100644 fs/bcachefs/journal_sb.h
create mode 100644 fs/bcachefs/journal_seq_blacklist.c
create mode 100644 fs/bcachefs/journal_seq_blacklist.h
create mode 100644 fs/bcachefs/journal_types.h
create mode 100644 fs/bcachefs/keylist.c
create mode 100644 fs/bcachefs/keylist.h
create mode 100644 fs/bcachefs/keylist_types.h
create mode 100644 fs/bcachefs/lru.c
create mode 100644 fs/bcachefs/lru.h
create mode 100644 fs/bcachefs/mean_and_variance.c
create mode 100644 fs/bcachefs/mean_and_variance.h
create mode 100644 fs/bcachefs/mean_and_variance_test.c
create mode 100644 fs/bcachefs/migrate.c
create mode 100644 fs/bcachefs/migrate.h
create mode 100644 fs/bcachefs/move.c
create mode 100644 fs/bcachefs/move.h
create mode 100644 fs/bcachefs/move_types.h
create mode 100644 fs/bcachefs/movinggc.c
create mode 100644 fs/bcachefs/movinggc.h
create mode 100644 fs/bcachefs/nocow_locking.c
create mode 100644 fs/bcachefs/nocow_locking.h
create mode 100644 fs/bcachefs/nocow_locking_types.h
create mode 100644 fs/bcachefs/opts.c
create mode 100644 fs/bcachefs/opts.h
create mode 100644 fs/bcachefs/printbuf.c
create mode 100644 fs/bcachefs/printbuf.h
create mode 100644 fs/bcachefs/quota.c
create mode 100644 fs/bcachefs/quota.h
create mode 100644 fs/bcachefs/quota_types.h
create mode 100644 fs/bcachefs/rebalance.c
create mode 100644 fs/bcachefs/rebalance.h
create mode 100644 fs/bcachefs/rebalance_types.h
create mode 100644 fs/bcachefs/recovery.c
create mode 100644 fs/bcachefs/recovery.h
create mode 100644 fs/bcachefs/recovery_types.h
create mode 100644 fs/bcachefs/reflink.c
create mode 100644 fs/bcachefs/reflink.h
create mode 100644 fs/bcachefs/replicas.c
create mode 100644 fs/bcachefs/replicas.h
create mode 100644 fs/bcachefs/replicas_types.h
create mode 100644 fs/bcachefs/sb-clean.c
create mode 100644 fs/bcachefs/sb-clean.h
create mode 100644 fs/bcachefs/sb-members.c
create mode 100644 fs/bcachefs/sb-members.h
create mode 100644 fs/bcachefs/seqmutex.h
create mode 100644 fs/bcachefs/siphash.c
create mode 100644 fs/bcachefs/siphash.h
create mode 100644 fs/bcachefs/six.c
create mode 100644 fs/bcachefs/six.h
create mode 100644 fs/bcachefs/snapshot.c
create mode 100644 fs/bcachefs/snapshot.h
create mode 100644 fs/bcachefs/str_hash.h
create mode 100644 fs/bcachefs/subvolume.c
create mode 100644 fs/bcachefs/subvolume.h
create mode 100644 fs/bcachefs/subvolume_types.h
create mode 100644 fs/bcachefs/super-io.c
create mode 100644 fs/bcachefs/super-io.h
create mode 100644 fs/bcachefs/super.c
create mode 100644 fs/bcachefs/super.h
create mode 100644 fs/bcachefs/super_types.h
create mode 100644 fs/bcachefs/sysfs.c
create mode 100644 fs/bcachefs/sysfs.h
create mode 100644 fs/bcachefs/tests.c
create mode 100644 fs/bcachefs/tests.h
create mode 100644 fs/bcachefs/trace.c
create mode 100644 fs/bcachefs/trace.h
create mode 100644 fs/bcachefs/two_state_shared_lock.c
create mode 100644 fs/bcachefs/two_state_shared_lock.h
create mode 100644 fs/bcachefs/util.c
create mode 100644 fs/bcachefs/util.h
create mode 100644 fs/bcachefs/varint.c
create mode 100644 fs/bcachefs/varint.h
create mode 100644 fs/bcachefs/vstructs.h
create mode 100644 fs/bcachefs/xattr.c
create mode 100644 fs/bcachefs/xattr.h
rename {drivers/md/bcache => include/linux}/closure.h (93%)
rename {drivers/md/bcache => lib}/closure.c (88%)