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295 commits

Author SHA1 Message Date
Kent Overstreet
460651ee86 bcachefs: Various improvements to bch2_alloc_write() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:21 -04:00
Kent Overstreet
932aa83745 bcachefs: bch2_trans_mark_update() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:21 -04:00
Kent Overstreet
c43a6ef9a0 bcachefs: btree_bkey_cached_common 
This is prep work for the btree key cache: btree iterators will point to
either struct btree, or a new struct bkey_cached.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:21 -04:00
Kent Overstreet
94f651e2c7 bcachefs: Return errors from for_each_btree_key() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
f80b4e64a4 bcachefs: Fix hang while shutting down 
If the allocator thread exited before bch2_dev_allocator_stop() was
called (because of an error), bch2_dev_allocator_quiesce() could hang.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
53beb84162 bcachefs: lockdep fix when going rw from bch2_alloc_write() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
d07343561e bcachefs: Deduplicate keys in the journal before replay 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
3ea2b1e128 bcachefs: cmp_int() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
a0e0bda117 bcachefs: Pass flags arg to bch2_alloc_write() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
a1d58243f9 bcachefs: add ability to run gc on metadata only 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
3a0e06db71 bcachefs: Assorted preemption fixes 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:19 -04:00
Kent Overstreet
0f23836771 bcachefs: trans_for_each_iter() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:18 -04:00
Kent Overstreet
424eb88130 bcachefs: Only get btree iters from btree transactions 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:18 -04:00
Kent Overstreet
134915f3d3 bcachefs: Go rw lazily 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:18 -04:00
Kent Overstreet
0564b16782 bcachefs: convert bch2_btree_insert_at() usage to bch2_trans_commit() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:18 -04:00
Kent Overstreet
18c9883e1c bcachefs: fix bch2_invalidate_one_bucket2() during journal replay 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:17 -04:00
Kent Overstreet
61f321fc8b bcachefs: Make deferred inode updates a mount option 
Journal reclaim may still need performance tuning

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:17 -04:00
Kent Overstreet
3e5d6c59be bcachefs: Use journal preres for deferred btree updates 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:17 -04:00
Kent Overstreet
fcbf3e5096 bcachefs: Allocator startup fixes/refactoring 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:16 -04:00
Kent Overstreet
1633e492ce bcachefs: improved flush_held_btree_writes() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:16 -04:00
Kent Overstreet
86a225c42d bcachefs: fix a deadlock on startup 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:16 -04:00
Kent Overstreet
8fe826f90a bcachefs: Convert bucket invalidation to key marking path 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:16 -04:00
Kent Overstreet
8c96cfccf0 bcachefs: fix more locking bugs 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:16 -04:00
Kent Overstreet
39fbc5a49f bcachefs: gc lock no longer needed for disk reservations 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:16 -04:00
Kent Overstreet
76f4c7b0c3 bcachefs: Fix oldest_gen handling 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
053dbb377d bcachefs: Fix a locking bug 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
736affa8bb bcachefs: fix for unmount hang 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
b935a8a67a bcachefs: Fix a bug when shutting down before allocator started 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
430735cd1a bcachefs: Persist alloc info on clean shutdown 
- Does not persist alloc info for stripes yet
 - Also does not yet include filesystem block/sector counts yet, from
struct fs_usage
 - Not made use of just yet

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:14 -04:00
Kent Overstreet
5e5d9bdbb8 bcachefs: Fix fifo overflow in allocator startup 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:14 -04:00
Kent Overstreet
d0cc3defba bcachefs: More allocator startup improvements 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:14 -04:00
Kent Overstreet
9166b41db1 bcachefs: s/usage_lock/mark_lock 
better describes what it's for, and we're going to call a new lock
usage_lock

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:13 -04:00
Kent Overstreet
8eb7f3ee46 bcachefs: move dirty into bucket_mark 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
90541a741d bcachefs: Add new alloc fields 
prep work for persistent alloc info

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
26609b619f bcachefs: Make bkey types globally unique 
this lets us get rid of a lot of extra switch statements - in a lot of
places we dispatch on the btree node type, and then the key type, so
this is a nice cleanup across a lot of code.

Also improve the on disk format versioning stuff.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
e88973373a bcachefs: Allow for new alloc fields 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
9ca53b55f7 bcachefs: gc now operates on second set of bucket marks 
This means we can now use gc to verify the allocation information -
important for testing persistant alloc info

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
61274e9d45 bcachefs: Allocator startup improvements 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
cd575ddf57 bcachefs: Erasure coding 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
319f9ac38e bcachefs: revamp to_text methods 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
8b335baef2 bcachefs: Assorted fixes for running on very small devices 
It's now possible to create and use a filesystem on a 512k device with
4k buckets (though at that size we still waste almost half to internal
reserves)

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
b092dadd55 bcachefs: Scale down number of writepoints when low on space 
this means we don't have to reserve space for them when calculating
filesystem capacity

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
198d67006b bcachefs: add functionality for heaps to update backpointers 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
ef337c54c6 bcachefs: Allocation code refactoring 
bch2_alloc_sectors_start() was a nightmare to work with - it's got some
tricky stuff to do, since it wants to use the buckets the writepoint
already has, unless they're not in the target it wants to write to,
unless it can't allocate from any other devices in which case it will
use those buckets if it has to - et cetera.

This restructures the code to start with a new empty list of open
buckets we're going to use for the new allocation, pulling buckets from
the write point's list as we decide that we really are going to use
them - making the code somewhat more functional and drastically easier
to understand.

Also fixes a bug where we could end up waiting on c->freelist_wait
(because allocating from one device failed) but return success from
bch2_bucket_alloc(), because allocating from a different device
succeeded.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
7b3f84ea7d bcachefs: Split out alloc_background.c 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Renamed from fs/bcachefs/alloc.c (Browse further)