kernel/fs/bcachefs/alloc_background.c, branch linux-rolling-stable

Remove bcachefs core code

2025-09-29T20:43:52Z

bcachefs was marked 'externally maintained' in 6.17 but the code remained to make the transition smoother. It's now a DKMS module, making the in-kernel code stale, so remove it to avoid any version confusion. Link: https://lore.kernel.org/linux-bcachefs/yokpt2d2g2lluyomtqrdvmkl3amv3kgnipmenobkpgx537kay7@xgcgjviv3n7x/T/ Signed-off-by: Linus Torvalds

bcachefs: Don't log fsck err in the journal if doing repair elsewhere

2025-06-19T17:08:07Z

This fixes exceeding the bump allocator limit when the allocator finds many buckets that need repair - they're repaired asynchronously, which means that every error logged a message in the bump allocator, without committing. Signed-off-by: Kent Overstreet

bcachefs: bch_err_throw()

2025-06-02T16:16:35Z

Add a tracepoint for any time we return an error and unwind. Signed-off-by: Kent Overstreet

bcachefs: Replace rcu_read_lock() with guards

2025-06-01T04:03:12Z

The new guard(), scoped_guard() allow for more natural code. Some of the uses with creative flow control have been left. Signed-off-by: Kent Overstreet

bcachefs: darray_find(), darray_find_p()

2025-06-01T02:03:17Z

New helpers to avoid open coded loops. Signed-off-by: Kent Overstreet

bcachefs: Use bch2_err_matches() for BCH_ERR_fsck_(fix|ignore)

2025-06-01T02:03:16Z

We'll be adding subtypes of these errors, and new error code tracing. Signed-off-by: Kent Overstreet

bcachefs: bch2_alloc_v4_to_text()

2025-05-30T05:21:13Z

Specialize the .to_text() for alloc_v4, to avoid the temporary on the stack for conversion from old versions. Signed-off-by: Kent Overstreet

bcachefs: Fix allocate -> self healing path

2025-05-23T23:52:31Z

When we go to allocate and find taht a bucket in the freespace btree is actually allocated, we're supposed to return nonzero to tell the allocator to skip it. This fixes an emergency read only due to a bucket/ptr gen mismatch - we also don't return the correct bucket gen when this happens. Signed-off-by: Kent Overstreet

bcachefs: bch2_check_bucket_backpointer_mismatch()

2025-05-22T00:15:04Z

Detect buckets with missing backpointers, and run repair on demand. __bch2_move_data_phys() now calls bch2_check_bucket_backpointer_mismatch() as it walks buckets, which checks for missing backpointers by comparing backpointers against bucket sector counts. When missing backpointers are detected, we kick off bch2_check_extents_to_backpointers() asynchronously - right away if we're trying to evacuate, or with a threshold if we're just running copygc. Signed-off-by: Kent Overstreet

bcachefs: Reduce usage of recovery.curr_pass

2025-05-22T00:15:03Z

We want recovery.curr_pass to be private to the recovery passes code, for better showing recovery pass status; also, it may rewind and is generally not the correct member to use. Signed-off-by: Kent Overstreet