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177 Commits

Author SHA1 Message Date
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 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 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 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 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 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 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 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 71c9e0ba42 bcachefs: bch2_extent_ptr_decoded_append() 
This new helper for the move path avoids creating a new CRC entry when
we already have one that matches the pointer being added.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet a2753581f6 bcachefs: bch2_extent_drop_ptrs() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet 1742237ba1 bcachefs: extent_for_each_ptr_decode() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet 4cb1315666 bcachefs: extent_ptr_decoded 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet 216c9facfd bcachefs: Pass around bset_tree less 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet fc3268c13c bcachefs: kill extent_insert_hook 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet e2d9912c6f bcachefs: bch2_extent_trim_atomic() 
Prep work for extents insert hook removal

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet cc1add4a80 bcachefs: BTREE_INSERT_JOURNAL_RES_FULL is no longer possible 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet df8a42393e bcachefs: extent_squash() can no longer fail 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet 271a3d3a4b bcachefs: lift ordering restriction on 0 size extents 
This lifts the restriction that 0 size extents must not overlap with
other extents, which means we can now sort extents and non extents the
same way, and will let us simplify a bunch of other stuff as well.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet 1fe08f31b2 bcachefs: bkey_written() 
also cleanups of btree node offsets

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:08 -04:00
Kent Overstreet b0004d8dfa bcachefs: Factor out btree_key_can_insert() 
working on getting rid of all the reasons bch2_insert_fixup_extent() can
fail/stop partway, which is needed for other refactorings.

One of the reasons we could have to bail out is if we're splitting a
compressed extent we might need to add to our disk reservation - but we
can check that before actually starting the insert.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:08 -04:00
Kent Overstreet a7c7a3092e bcachefs: bch2_mark_key() now takes bch_data_type 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:08 -04:00
Kent Overstreet 277c981c63 bcachefs: fix bch2_val_to_text() 
was returning wrong value

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:08 -04:00
Kent Overstreet 1c6fdbd8f2 bcachefs: Initial commit 
Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write
filesystem with every feature you could possibly want.

Website: https://bcachefs.org

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:07 -04:00