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63 Commits

Author SHA1 Message Date
Kent Overstreet
784d8d173d bcachefs: Improve warning for copygc failing to move data 
This will help narrow down which code is at fault when this happens.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:40 -04:00
Kent Overstreet
309c54c3f4 bcachefs: Redo copygc throttling 
The code that checked the current free space and waited if it was too
big was causing issues - btree node allocations do not increment the
write IO clock (perhaps they should); but more broadly the check
wouldn't run copygc at all until the device was mostly full, at which
point it might have to do a bunch of work.

This redoes that logic so that copygc starts to run earlier, smoothly
running more and more often as the device becomes closer to full.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:33 -04:00
Kent Overstreet
bd7e82ee2a bcachefs: kill ca->freelist_lock 
All uses were supposed to be switched over to c->freelist_lock

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:32 -04:00
Kent Overstreet
99aaf57000 bcachefs: Refactor various code to not be extent specific 
With reflink, various code now has to handle both KEY_TYPE_extent
or KEY_TYPE_reflink_v - so, convert it to be generic across all keys
with pointers.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:24 -04:00
Kent Overstreet
5884fddfe7 bcachefs: Fix starting copygc when already started 
We can sometimes call bch2_dev_read_write() when the device is already
RW (in error paths).

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:22 -04:00
Kent Overstreet
f80b4e64a4 bcachefs: Fix hang while shutting down 
If the allocator thread exited before bch2_dev_allocator_stop() was
called (because of an error), bch2_dev_allocator_quiesce() could hang.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
3ea2b1e128 bcachefs: cmp_int() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
ac7f0d77c2 bcachefs: ratelimit copygc warning 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:20 -04:00
Kent Overstreet
26609b619f bcachefs: Make bkey types globally unique 
this lets us get rid of a lot of extra switch statements - in a lot of
places we dispatch on the btree node type, and then the key type, so
this is a nice cleanup across a lot of code.

Also improve the on disk format versioning stuff.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:12 -04:00
Kent Overstreet
198d67006b bcachefs: add functionality for heaps to update backpointers 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
7b3f84ea7d bcachefs: Split out alloc_background.c 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
a9bec5208b bcachefs: Better calculation of copygc threshold 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:08 -04:00
Kent Overstreet
1c6fdbd8f2 bcachefs: Initial commit 
Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write
filesystem with every feature you could possibly want.

Website: https://bcachefs.org

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:07 -04:00