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60 Commits

Author SHA1 Message Date
Kent Overstreet
ff929515cc bcachefs: Trust btree alloc info at runtime 
This lets us avoid a cache miss in the write path.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:30 -04:00
Kent Overstreet
05240ba6b8 bcachefs: Fix creation of lost+found 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:29 -04:00
Kent Overstreet
a40d97a771 bcachefs: Fix incorrect use of bch2_extent_atomic_end() 
bch2_extent_atomic_end counts the number of iterators requried for
marking overwrites - but journal replay never marks overwrites, so that
part was incorrect. And counting iterators for the key being inserted
should be unnecessary because we did that prior to the key being
inserted before it was first journalled.

This should fix an iterator overflow bug - the iterators for walking
overwrites were totally unneeded.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:28 -04:00
Kent Overstreet
137b0ed907 bcachefs: bch2_extent_atomic_end() now traverses iter 
This fixes a bug in io.c bch2_write_index_default() - it was missing the
traverse call, but bch2_extent_atomic_end returns an error now and can
just call it itself.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:28 -04:00
Kent Overstreet
9638574229 bcachefs: Factor out fs-common.c 
This refactoring makes the code easier to understand by separating the
bcachefs btree transactional code from the linux VFS code - but more
importantly, it's also to share code with the fuse port.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:28 -04:00
Kent Overstreet
a7199432c3 bcachefs: Kill deferred btree updates 
Will be replaced by cached btree iterators

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:28 -04:00
Kent Overstreet
f9c5519336 bcachefs: Drop trans arg to bch2_extent_atomic_end() 
Just for consistency

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:26 -04:00
Kent Overstreet
89b0511826 bcachefs: Flush fsck errors when looping in btree gc 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:26 -04:00
Kent Overstreet
ad7e137ebc bcachefs: Switch reconstruct_alloc to a mount option 
Right now this is the only way of repairing bucket gens in the future

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:26 -04:00
Kent Overstreet
06f6c3ec0b bcachefs: Reflink pointers also have to be remarked if split in journal replay 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:26 -04:00
Kent Overstreet
76426098e4 bcachefs: Reflink 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:25 -04:00
Kent Overstreet
3c7f3b7aeb bcachefs: Refactor bch2_extent_trim_atomic() for reflink 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:25 -04:00
Kent Overstreet
2cbe5cfe27 bcachefs: Rework calling convention for marking overwrites 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:25 -04:00
Kent Overstreet
e222d206f2 bcachefs: Fix ec_stripes_read() 
Change it to not mark keys that will be overwritten by keys in the
journal - this fixes a bug where we pop an assertion in
bucket_set_stripe() because of a stale pointer - because the stripe that
has the stale pointer has been deleted.

This code could be factored out and used elsewhere, at some point.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:24 -04:00
Kent Overstreet
2ded276b7e bcachefs: Fix array overrun with unknown btree roots 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:23 -04:00
Kent Overstreet
f707e3d8f4 bcachefs: fix kasan splat 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:23 -04:00
Kent Overstreet
6e738539cd bcachefs: Improve key marking interface 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:22 -04:00
Kent Overstreet
3838be7841 bcachefs: Don't use a fixed size buffer for fs_usage_deltas 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:22 -04:00
Kent Overstreet
20bceecb31 bcachefs: More work to avoid transaction restarts 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:22 -04:00
Kent Overstreet
619f5bee86 bcachefs: some improvements to startup messages and options 
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
5e82a9a1f4 bcachefs: Write out fs usage consistently 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:21 -04:00
Kent Overstreet
c6dd04f8f5 bcachefs: Mark overwrites from journal replay in initial gc 
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
644d180b05 bcachefs: Journal replay refactoring 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
478259b749 bcachefs: delete duplicated code 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
1dd7f9d98d bcachefs: Rewrite journal_seq_blacklist machinery 
Now, we store blacklisted journal sequence numbers in the superblock,
not the journal: this helps to greatly simplify the code, and more
importantly it's now implemented in a way that doesn't require all btree
nodes to be visited before starting the journal - instead, we
unconditionally blacklist the next 4 journal sequence numbers after an
unclean shutdown.

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
7b512638e0 bcachefs: Refactor bch2_fs_recovery() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:19 -04:00
Kent Overstreet
0bc166ff56 bcachefs: Track whether filesystem has errors in superblock 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:19 -04:00
Kent Overstreet
03e183cb5d bcachefs: Verify fs hasn't been modified before going rw 
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
6122ab639c bcachefs: More debug params for testing of recovery paths 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:18 -04:00
Kent Overstreet
05235e9928 bcachefs: Run gc if failed to read alloc btree 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:18 -04:00
Kent Overstreet
082f0801e0 bcachefs: Fix error handling in bch2_fs_recovery() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:18 -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
768ac63924 bcachefs: Add a mechanism for blocking the journal 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:16 -04:00
Kent Overstreet
f7e76361c4 bcachefs: no need to run gc when initializing new fs 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
1df42b5715 bcachefs: don't do initial gc if have alloc info feature 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
3577df5f7f bcachefs: serialize persistent_reserved 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
3e0745e283 bcachefs: initialize fs usage summary in recovery 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
42b72e0ba2 bcachefs: journal_replay_early() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
2c5af169f7 bcachefs: reserve space in journal for fs usage entries 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
94cd106f8d bcachefs: delete a debug printk 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
61c8d7c8eb bcachefs: Persist stripe blocks_used 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:15 -04:00
Kent Overstreet
73e6ab9564 bcachefs: Switch replicas to mark_lock 
Prep work for upcoming disk accounting changes

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:13 -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
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
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