bcachefs: Print cycle on unrecoverable deadlock

Browse source

Some lock operations can't fail; a cycle of nofail locks is impossible
to recover from. So we want to get rid of these nofail locking
operations, but as this is tricky it'll be done incrementally.

If such a cycle happens, this patch prints out which codepaths are
involved so we know what to work on next.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

...

This commit is contained in:

Kent Overstreet 2022-10-09 04:29:04 -04:00

parent 1be887979b

commit 1148a97f1f

4 changed files with 45 additions and 22 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

24

fs/bcachefs/btree_locking.c

View file

22

fs/bcachefs/debug.c

View file

20

fs/bcachefs/util.c

View file

1

fs/bcachefs/util.h

View file