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2024-05-08bcachefs: Move nocow unlock to bch2_write_endio()Kent Overstreet
This fixes a lifetime issue; bch2_nocow_write_unlock() uses PTR_BUCKET_POS(), which needs the device - but we drop our ref to the device in bch2_write_endio(). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: kill bch2_dev_bkey_exists() in journal_ptrs_to_text()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: kill bch2_dev_bkey_exists() in discard_one_bucket_fast()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: kill bch2_dev_bkey_exists() in check_alloc_info()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_dev_have_ref()Kent Overstreet
bch2_dev_bkey_exists() is going away; bch2_dev_have_ref() documents that we're looking up a device without checking if it's present because we have a reference to it already. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: kill bch2_dev_bkey_exists() in data_update_init()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: kill bch2_dev_bkey_exists() in bkey_pick_read_device()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: pass bch_dev to read_from_stale_dirty_pointer()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_dev_bucket_exists() uses bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: kill bch2_dev_bkey_exists() in btree_gc.cKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_extent_normalize() -> bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_bkey_has_target() -> bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: extent_ptr_invalid() -> bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: ptr_stale() -> dev_ptr_stale()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: extent_ptr_durability() -> bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_extent_merge() -> bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: ec_validate_checksums() -> bch2_dev_tryget()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: ob_dev()Kent Overstreet
Wrapper around bch2_dev_have_ref() for open_buckets; we do guarantee that the device an open_bucket points to exists. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: move replica_set from bch_dev to bch_fsKent Overstreet
This is needed for the next patch - the write submit path has to be able to allocate a replica bio even when we weren't able to get a ref on the device. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Kill bch2_dev_bkey_exists() in backpointer codeKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: PTR_BUCKET_POS() now takes bch_devKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_dev_iterate()Kent Overstreet
New helper for getting refs to devices as we iterate. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_evacuate_bucket() -> bch2_dev_tryget()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_bucket_ref_update() now takes bch_devKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_trigger_alloc() -> bch2_dev_tryget()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_check_alloc_key() -> bch2_dev_tryget_noerror()Kent Overstreet
More elimination of bch2_dev_bkey_exists() usage. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Convert to bch2_dev_tryget_noerror()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_dev_tryget()Kent Overstreet
Most uses of bch2_dev_bkey_exists() are going away, where we assume that because a key references a device the device most exist - instead, we'll be explicitly checking if the device exists and getting a reference to it. This adds the new helpers. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_have_enough_devs() checks for nonexistent deviceKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: journal_replay_entry_early() checks for nonexistent deviceKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_dev_btree_bitmap_marked() -> bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Pass device to bch2_bucket_do_index()Kent Overstreet
Eliminating bch2_dev_bkey_exists() uses and replacing them with proper checks; this one was unnecessary since the caller already has it. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Pass device to bch2_alloc_write_key()Kent Overstreet
More elimating bch2_dev_bkey_exists() Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_dev_safe() -> bch2_dev_rcu()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Debug asserts for ca->refKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: New helpers for device refcountsKent Overstreet
This will be used in the next patch for adding some new debug mode asserts. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_print_allocator_stuck()Kent Overstreet
If we block on the allocator for more than 10 seconds, print out some useful debugging info. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: bch2_bkey_drop_ptrs() declares loop iterKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: x-macroize journal flags enumsKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: On device add, prefer unused slotsKent Overstreet
We can't strictly guarantee that no pointers refer to nonexistent devices - we attempt to, but we need to be safe when the filesystem is corrupt. Therefore, change device_add to try to pick a slot that's never been used, or the slot that's been unused the longest. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Kill opts.buckets_nouseKent Overstreet
Now explicitly allocate and free the buckets_nouse bitmap - this is going to be used for online fsck. To go RW when we haven't check allocations, we'll do a much slimmed down version that just initializes the buckets_nouse bitmaps. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: simplify bch2_trans_start_alloc_update()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: __mark_stripe_bucket() now takes bch_alloc_v4Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: __mark_pointer now takes bch_alloc_v4Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: kill bch2_dev_usage_update_m()Kent Overstreet
by using bucket_m_to_alloc() more, we can get some nice code cleanup. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: alloc_data_type_set()Kent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: dirty_sectors -> replicas_sectorsKent Overstreet
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: delete old gen check bch2_alloc_write_key()Kent Overstreet
this was from metadata only gc - we don't need it anymore Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Correct the FS_IOC_GETFLAGS to FS_IOC32_GETFLAGS in ↵Youling Tang
bch2_compat_fs_ioctl() It should be FS_IOC32_GETFLAGS instead of FS_IOC_GETFLAGS in compat ioctl. Signed-off-by: Youling Tang <tangyouling@kylinos.cn> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-08bcachefs: Fix error path of bch2_link_trans()Youling Tang
In bch2_link_trans(), if bch2_inode_nlink_inc() fails, it needs to call bch2_trans_iter_exit() in the error path. Signed-off-by: Youling Tang <tangyouling@kylinos.cn> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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