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2024-05-09bcachefs: bch2_dev_get_ioref2(); journal_io.cKent Overstreet1-4/+3
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_get_ioref2(); io_write.cKent Overstreet1-10/+11
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_get_ioref2(); btree_io.cKent Overstreet1-15/+18
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_get_ioref2(); backpointers.cKent Overstreet1-2/+2
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_get_ioref2(); alloc_background.cKent Overstreet2-11/+26
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: for_each_bset() declares loop iterKent Overstreet6-34/+14
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Move BCACHEFS_STATFS_MAGIC value to UAPI magic.hPetr Vorel2-1/+3
Move BCACHEFS_STATFS_MAGIC value to UAPI <linux/magic.h> under BCACHEFS_SUPER_MAGIC definition (use common approach for name) and reuse the definition in bcachefs_format.h BCACHEFS_STATFS_MAGIC. There are other bcachefs magic definitions: BCACHE_MAGIC, BCHFS_MAGIC, which use UUID_INIT() and are used only in libbcachefs. Therefore move only BCACHEFS_STATFS_MAGIC value, which can be used outside of libbcachefs for f_type field in struct statfs in statfs() or fstatfs(). Suggested-by: Su Yue <glass.su@suse.com> Signed-off-by: Petr Vorel <pvorel@suse.cz> Acked-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Improve sysfs internal/btree_cacheKent Overstreet2-5/+30
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Allocator prefers not to expand mi.btree_allocated bitmapKent Overstreet3-11/+66
We now have a small bitmap in the member info section of the superblock for "regions that have btree nodes", so that if we ever have to scan for btree nodes in repair we don't have to scan the whole device(s). This tweaks the allocator to prefer allocating from regions that are already marked in this bitmap. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Better bucket alloc tracepointsKent Overstreet2-111/+51
Tracepoints are garbage, and perf trace even cuts off some of our fields. Much nicer to just trace a string, and then we can build nicely formatted output with printbufs. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Move nocow unlock to bch2_write_endio()Kent Overstreet2-19/+8
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>
2024-05-09bcachefs: kill bch2_dev_bkey_exists() in journal_ptrs_to_text()Kent Overstreet1-5/+0
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: kill bch2_dev_bkey_exists() in discard_one_bucket_fast()Kent Overstreet1-2/+5
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: kill bch2_dev_bkey_exists() in check_alloc_info()Kent Overstreet2-40/+44
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_have_ref()Kent Overstreet3-7/+7
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>
2024-05-09bcachefs: kill bch2_dev_bkey_exists() in data_update_init()Kent Overstreet1-2/+10
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: kill bch2_dev_bkey_exists() in bkey_pick_read_device()Kent Overstreet1-15/+22
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: pass bch_dev to read_from_stale_dirty_pointer()Kent Overstreet1-2/+2
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_bucket_exists() uses bch2_dev_rcu()Kent Overstreet1-7/+5
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: kill bch2_dev_bkey_exists() in btree_gc.cKent Overstreet1-10/+31
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_extent_normalize() -> bch2_dev_rcu()Kent Overstreet1-1/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_bkey_has_target() -> bch2_dev_rcu()Kent Overstreet1-3/+10
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: extent_ptr_invalid() -> bch2_dev_rcu()Kent Overstreet1-11/+19
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: ptr_stale() -> dev_ptr_stale()Kent Overstreet6-16/+18
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: extent_ptr_durability() -> bch2_dev_rcu()Kent Overstreet4-5/+21
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_extent_merge() -> bch2_dev_rcu()Kent Overstreet1-3/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: ec_validate_checksums() -> bch2_dev_tryget()Kent Overstreet1-10/+12
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: ob_dev()Kent Overstreet4-14/+22
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>
2024-05-09bcachefs: move replica_set from bch_dev to bch_fsKent Overstreet3-10/+5
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>
2024-05-09bcachefs: Kill bch2_dev_bkey_exists() in backpointer codeKent Overstreet6-52/+102
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: PTR_BUCKET_POS() now takes bch_devKent Overstreet8-49/+57
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_iterate()Kent Overstreet2-7/+19
New helper for getting refs to devices as we iterate. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_evacuate_bucket() -> bch2_dev_tryget()Kent Overstreet1-1/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_bucket_ref_update() now takes bch_devKent Overstreet3-28/+42
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_trigger_alloc() -> bch2_dev_tryget()Kent Overstreet1-12/+11
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_check_alloc_key() -> bch2_dev_tryget_noerror()Kent Overstreet4-12/+40
More elimination of bch2_dev_bkey_exists() usage. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Convert to bch2_dev_tryget_noerror()Kent Overstreet2-18/+4
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_tryget()Kent Overstreet2-0/+25
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>
2024-05-09bcachefs: bch2_have_enough_devs() checks for nonexistent deviceKent Overstreet1-5/+7
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: journal_replay_entry_early() checks for nonexistent deviceKent Overstreet1-8/+11
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_btree_bitmap_marked() -> bch2_dev_rcu()Kent Overstreet1-6/+19
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Pass device to bch2_bucket_do_index()Kent Overstreet1-6/+5
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>
2024-05-09bcachefs: Pass device to bch2_alloc_write_key()Kent Overstreet1-2/+2
More elimating bch2_dev_bkey_exists() Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_dev_safe() -> bch2_dev_rcu()Kent Overstreet3-2/+3
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: Debug asserts for ca->refKent Overstreet3-3/+37
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: New helpers for device refcountsKent Overstreet9-41/+50
This will be used in the next patch for adding some new debug mode asserts. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_print_allocator_stuck()Kent Overstreet5-76/+114
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>
2024-05-09closures: closure_sync_timeout()Kent Overstreet2-0/+49
Add a new variant of closure_sync_timeout() that takes a timeout. Note that when this returns -ETIME the closure will still be waiting on something, i.e. it's not safe to return if you've got a stack allocated closure. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: bch2_bkey_drop_ptrs() declares loop iterKent Overstreet7-10/+2
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-05-09bcachefs: x-macroize journal flags enumsKent Overstreet11-33/+44
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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