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2023-10-22bcachefs: btree gc refactoringKent Overstreet
prep work for erasure coding Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: BCH_EXTENT_ENTRY_TYPES()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: bch2_extent_ptr_decoded_append()Kent Overstreet
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>
2023-10-22bcachefs: bch2_extent_drop_ptrs()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: extent_for_each_ptr_decode()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: kill bch_extent_crc_typeKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: extent_ptr_decodedKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: fix missing includeKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: fix a spurious gcc warningKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Allocation code refactoringKent Overstreet
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>
2023-10-22bcachefs: Split out alloc_background.cKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Fix failure to suspendKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Fix suspend when moving data faster than ratelimitKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: fix bch2_acl_chmod()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Fix a deadlockKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: fix a divideKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: make fsck spew lessKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Dirent repair codeKent Overstreet
There was a bug for awhile in previous kernels where we weren't computing dirent name lengths correctly and we weren't zeroing out padding at the end of dirents (due to struct bch_dirent changing size by adding __attribute__((aligned)), and not updating other code to use offsetof). This patch fixes dirents with junk at the end, by going off of the dirent's hash. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Fix a btree iter bug when iter pos == POS_MAXKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Comparison function cleanupsKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Prioritize fragmentation in bucket allocatorKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Pass around bset_tree lessKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: kill extent_insert_hookKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: kill i_sectors_hookKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: convert fcollapse to bch2_extent_update()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: convert fpunch to bch2_extent_update()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: convert truncate to bch2_extent_update()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: convert bchfs_write_index_update() to bch2_extent_update()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: bch2_extent_trim_atomic()Kent Overstreet
Prep work for extents insert hook removal Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: mempoolify btree_transKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: BTREE_INSERT_JOURNAL_RES_FULL is no longer possibleKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: extent_squash() can no longer failKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: make struct btree_iter a bit smallerKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: lift ordering restriction on 0 size extentsKent Overstreet
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>
2023-10-22bcachefs: extent unit testsKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: bkey_written()Kent Overstreet
also cleanups of btree node offsets Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: improved rw_aux_tree_bsearch()Kent Overstreet
shouldn't be any reason for an actual binary search here Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Factor out btree_key_can_insert()Kent Overstreet
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>
2023-10-22bcachefs: BCH_SB_RESERVE_BYTESKent Overstreet
Add an option, gc_reserve_bytes, to set the copygc reserve as a size instead of a percent Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Better calculation of copygc thresholdKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Change how replicated data is accountedKent Overstreet
Due to compression, the different replicas of a replicated extent don't necessarily have to take up the same amount of space - so replicated data sector counts shouldn't be stored divided by the number of replicas. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Account for internal fragmentation betterKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: kill s_alloc, use bch_data_typeKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: bch2_mark_key() now takes bch_data_typeKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Fix an assertion in the btree node merge pathKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Fix locking in allocator threadKent Overstreet
gc lock must be held while invalidating buckets - fixes "1f7a95698e bcachefs: Invalidate buckets when writing to alloc btree" Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: fix bch2_val_to_text()Kent Overstreet
was returning wrong value Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: minor fsync fixKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: Assorted journal refactoringKent Overstreet
Also improve error reporting - only return an error from bch2_journal_flush_seq() if we had an error writing that entry (i.e. not if there was an error with a newer entry). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22bcachefs: fix last_seq_ondiskKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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