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2025-05-22bcachefs: export bch2_move_data_phys()Kent Overstreet2-10/+15
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: BCH_MEMBER_RESIZE_ON_MOUNTKent Overstreet7-12/+77
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: BCH_FEATURE_small_imageKent Overstreet7-17/+40
We can't go RW if it's an image file that hasn't been resized. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: BCH_FEATURE_no_alloc_infoKent Overstreet8-16/+61
If a filesystem is going to only be used read-only, and will be a deployable image, we can strip out alloc info for a substantial reduction in metadata size - around half, due to backpointers. Alloc info will be regenerated on first read-write mount. Remounting RW is disallowed for now, since we don't yet have check_allocations running in RW mode. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Print features on startup with -o verboseKent Overstreet1-0/+5
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Shrink superblock downgrade tableKent Overstreet1-0/+3
Don't generate entries for versions that won't be able to mount. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: sb_validate() no longer requires members_v1Kent Overstreet1-3/+5
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Add a recovery pass for making sure root inode is readableKent Overstreet2-1/+17
If the root inode/subvolume is unreadable we can repair automatically - but only if we're still in recovery, so that we can rewind to the appropriate recovery pass. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Flag for repair on missing subvolumeKent Overstreet1-15/+28
Instead of going emegency read only with a bch2_fs_inconsistent() call, log the error and recovery pass appropriately. If we're still in recovery it'll be repaired immediately, otherwise it'll be repaired on the next mount. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: print_str_as_lines() -> print_str()Kent Overstreet19-43/+44
bch2_print_string_as_lines() is a low level helper that allows messages longer than 1k to be printed without truncation. But we should always be printing with the helpers that take a filesystem object, if we're in fsck they direct output to the userspace process controlling fsck instead of the dmesg log. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: bch2_dev_missing_bkey()Kent Overstreet3-5/+35
Part of the ongoing project to kill off bch2_(fs|trans)_inconsistent calls - they generally need to be replaced with either - a fsck_err() call that can repair the error, or - logging an error of the appropriate type in the superblock, and flagging the appropriate recovery pass to repair the error Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Simplify bch2_count_fsck_err()Kent Overstreet5-28/+17
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: bch2_run_explicit_recovery_pass_printbuf()Kent Overstreet4-19/+57
We prefer helpers that emit log messages to printbufs rather than printing them directly; that way, we can ensure that different log messages from the same event are grouped together and formatted appropriately in the dmesg log. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Incompatible features may now be enabled at runtimeKent Overstreet5-3/+38
version_upgrade is now a runtime option. In the future we'll want to add compatible upgrades at runtime, and call the full check_version_upgrade() when the option changes, but we don't have compatible optional upgrades just yet. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Clean up option pre/post hooks, small fixesKent Overstreet5-39/+86
The helpers are now: - bch2_opt_hook_pre_set() - bch2_opts_hooks_pre_set() - bch2_opt_hook_post_set Fix a bug where the filesystem discard option would incorrectly be changed when setting the device option, and don't trigger rebalance scans unnecessarily (when options aren't changing). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Use drop_locks_do() in bch2_inode_hash_find()Kent Overstreet1-3/+2
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Single device modeKent Overstreet8-11/+44
Single device filesystems are now identified by the block device name, not the UUID - and single device filesystems with the same UUID can be mounted simultaneously, without any special options. This allocates a new bit in the superblock, BCH_SB_MULTI_DEVICE, which indicates whether a filesystem has ever been multi device. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Initialize c->name earlier on single dev filesystemsKent Overstreet1-15/+18
On single device filesystems, c->name contains the block device name, not the UUID. Initialize this earlier, so that single device mode can use it for initializing sysfs/debugfs. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Simplify logicAlan Huang1-6/+2
Signed-off-by: Alan Huang <mmpgouride@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Remove spurious +1/-1 operationAlan Huang1-2/+2
Signed-off-by: Alan Huang <mmpgouride@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Kill bch2_trans_unlock_noassertAlan Huang3-9/+1
Signed-off-by: Alan Huang <mmpgouride@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Clean up duplicated code in bch2_journal_halt()Kent Overstreet2-11/+8
It's now a wrapper around bch2_journal_halt_locked(). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: bch2_dev_allocator_set_rw()Kent Overstreet2-7/+12
Add a helper that lets us change bch_member.data_allowed at runtime. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: bch2_dev_journal_alloc() now respects data_allowedKent Overstreet1-0/+3
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Improve bch2_btree_cache_to_text()Kent Overstreet2-3/+9
Make the output slightly clearer, and include a counter for "nodes we couldn't free because we would have gone under our reserve". Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: __btree_node_reclaim_checks()Kent Overstreet1-66/+69
Factor out a helper so we're not duplicating checks after locking the btree node. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: kill BTREE_CACHE_NOT_FREED_INCREMENT()Kent Overstreet1-26/+20
Small cleanup, just always increment the counters. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Improve opts.degradedKent Overstreet5-33/+76
Kill 'opts.very_degraded', and make 'opts.degraded' a persistent option, stored in the superblock. It's now an enum, with available choices ask/yes/very/no. "ask" mode will be handled by the mount helper, for prompting the user (on a machine used interactively) for whether to do a degraded mount. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: export bch2_chacha20Kent Overstreet2-2/+4
Needed for userspcae. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: indent error messages of invalid compressionIntegral2-2/+5
This patch uses printbuf_indent_add_nextline() to set a consistent indentation level for error messages of invalid compression. In my previous patch [1], the newline is added by using '\n' in the argument of prt_str(). This patch replaces prt_str() with prt_printf() to make indentation level work correctly. [1] Link: https://lore.kernel.org/20250406152659.205997-2-integral@archlinuxcn.org Signed-off-by: Integral <integral@archlinuxcn.org> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: split error messages of invalid compression into two linesIntegral1-2/+2
When an invalid compression type or level is passed as an argument to `--compression`, two error messages are squashed into one line: > bcachefs format --compression=lzo bcachefs-comp.img invalid option: invalid compression typecompression: parse error > bcachefs format --compression=lz4:16 bcachefs-comp.img invalid option: invalid compression levelcompression: parse error To resolve this issue, add a newline character at the end of the first error message to separate them into two lines. Signed-off-by: Integral <integral@archlinuxcn.org> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: early return for negative values when parsing BCH_OPT_UINTIntegral2-3/+10
Currently, when passing a negative integer as argument, the error message is "too big" due to casting to an unsigned integer: > bcachefs format --block_size=-1 bcachefs.img invalid option: block_size: too big (max 65536) When negative value in argument detected, return early before calling bch2_opt_validate(). A new error code `BCH_ERR_option_negative` is added. Signed-off-by: Integral <integral@archlinuxcn.org> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: move_data_phys: stats are not requiredKent Overstreet1-2/+4
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: RO mounts now use less memoryKent Overstreet4-24/+44
Defer memory allocations only needed in RW mode until we actually go RW. This is part of improved support for RO images. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: Move various init code to _init_early()Kent Overstreet11-21/+23
_init_early() is for initialization that cannot fail, and often must happen for teardown partway through initialization to work. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: alphabetize init function callsKent Overstreet1-25/+25
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: simplify journal pin initializationKent Overstreet1-12/+5
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: btree_io_complete_wq -> btree_write_complete_wqKent Overstreet3-5/+5
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: bch2_kvmalloc() mem alloc profilingKent Overstreet1-3/+4
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: add missing includeKent Overstreet1-0/+1
Hygeine, and fix build in userspace. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: bch2_snapshot_table_make_room()Kent Overstreet1-3/+12
Add a better helper for check_snapshot_exists(). create_snapids() can't be changed to use this, unfortunately, because the transaction that creates new snapshot will also be inserting other keys (e.g. root inode) that reference that snapshot ID, and they expect the snapshot table to already be updated. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: darray: provide typedefs for primitive typesKent Overstreet3-5/+11
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: reduce new_stripe_alloc_buckets() stack usageKent Overstreet3-19/+25
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: alloc_request no longer on stackKent Overstreet1-41/+43
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: alloc_request.ptrs2Kent Overstreet2-6/+9
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: alloc_request.caKent Overstreet2-26/+30
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: alloc_request.countersKent Overstreet3-69/+64
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: alloc_request.usageKent Overstreet2-25/+21
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: alloc_request: deallocate_extra_replicas()Kent Overstreet1-8/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2025-05-22bcachefs: new_stripe_alloc_buckets() takes alloc_requestKent Overstreet1-29/+44
More stack usage improvements: instead of creating a new alloc_request (currently on the stack), save/restore just the fields we need to reuse. This is a bit tricky, because we're doing a normal alloc_foreground.c allocation, which calls into ec.c to get a stripe, which then does more normal allocations - some of the fields get reused, and used differently. So we have to save and restore them - but the stack usage improvements will be well worth it. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-31 14:02:15 +0300