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Author SHA1 Message Date
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
3636ed489a bcachefs: Deferred btree updates 
Will be used in the future for inode updates, which will be very helpful
for multithreaded workloads that have to update the inode with every
extent update (appends, or updates that change i_sectors)

Also will be used eventually for fully persistent alloc info

However - we still need a mechanism for reserving space in the journal
prior to getting a journal reservation, so it's not technically safe to
make use of this just yet, we could deadlock with the journal full
(although not likely to be an issue in practice)

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
eb8632657f bcachefs: drop bogus percpu_ref_tryget 
caller should already be guarding against rw, and checking here breaks
when caller needs to finish updates for going RO

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
f0cfb963ec bcachefs: Track nr_inodes with the key marking machinery 
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
01a0108f01 bcachefs: Fix a btree iter usage error 
previously, if the code traversed to the next btree node, that could
return an error (due to lock restarts) - which was not being checked
for.

fix is to rework it so it never iterates past the current leaf node, and
pops an assertion if it ever sees an error.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
5b8a9227f8 bcachefs: Split out bkey_sort.c 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
9d11058a78 bcachefs: fix waiting on an open journal entry 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
d034c09b26 bcachefs: return errors correctly from gc 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
eeb83e25bb bcachefs: Hold usage_lock over mark_key and fs_usage_apply 
Fixes an inconsistency at the end of gc

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
dfe9bfb32e bcachefs: Stripes now properly subject to gc 
gc now verifies the contents of the stripes radix tree, important for
persistent alloc info

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
ad7ae8d63f bcachefs: Btree locking fix, refactoring 
Hit an assertion, probably spurious, indicating an iterator was unlocked
when it shouldn't have been (spurious because it wasn't locked at all
when the caller called btree_insert_at()).

Add a flag, BTREE_ITER_NOUNLOCK, and tighten up the assertions

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
de5bb710f9 bcachefs: shim for userspace raid library 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
4e65431c85 Revert "bcachefs: start erasure coding after journal replay" 
This reverts commit 36f389604294dfc953e6f5624ceb683818d32f28.

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
e647369168 bcachefs: fix mempool double initialization 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
8812600c29 bcachefs: fix btree iterator bug when using depth > 0 
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
a9ec345401 bcachefs: Journal refactoring 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
f1a79365a7 bcachefs: Don't block on journal reservation with btree locks held 
Fixes a deadlock between the allocator thread, when it first starts up,
and journal replay

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
129550c4d0 bcachefs: start erasure coding after journal replay 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
f81b648d1f bcachefs: Clean up, possixly fix page disk reservation accounting 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
b1ba2359fb bcachefs: Fix an error path 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
283cca30a8 bcachefs: fix typo when picking read method 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -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
91f8b5677b bcachefs: More btree gc refactorings 
more prep work for erasure coding

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
1d25849c2c bcachefs: Centralize marking of replicas in btree update path 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
b35b192583 bcachefs: Move key marking out of extents.c 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
af9d3bc203 bcachefs: stripe support for replicas tracking 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
c258f28eba bcachefs: Check for unsupported features 
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
75369d4ec3 bcachefs: delete some dead code 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
82ebd49cd6 bcachefs: fix a replicas bug 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Tim Schlueter
a420eea689 bcachefs: Set the last mount time using the realtime clock 
This way the last mount time is actually meaningful instead of just being
various times from 1970 (which happens with the monotonic clock).

Also, roundup_pow_of_two() is undefined when passed in 0, so check before
calling it.

Signed-off-by: Tim Schlueter <schlueter.tim@linux.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
4628529f15 bcachefs: Disk usage in compressed sectors, not uncompressed 
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
72644db153 bcachefs: Fix an assertion when rebuilding replicas 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
02f1a96c13 bcachefs: Rename nofsck opt to fsck 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
6bdbfa87a8 bcachefs: Fix journal replay when replicas sb section missing 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
636ad1d391 bcachefs: fix bounds checks in bch2_bio_map() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
ac10a9611d bcachefs: Some fixes for building in userspace 
userspace allocators don't align allocations as nicely as kernel
allocators, which meant that in some cases we weren't allocating big
enough bvec arrays - just make the calculations more rigorous and
explicit to fix it.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
b564513cf9 bcachefs: fix bch2_bkey_print_bfloat 
was popping an assertion in the eytzinger code

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
5bd95a3718 bcachefs: new avoid mechanism for io retries 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
47799326bc bcachefs: more key marking refactoring 
prep work for erasure coding

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
103e212785 bcachefs: replicas: prep work for stripes 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
7a920560d7 bcachefs: kill struct bch_replicas_cpu_entry 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -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