bcachefs: Dont't del sysfs dir until after we go RO

This will help for debugging hangs during unmount

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2020-02-27 15:03:53 -05:00 committed by Kent Overstreet
parent 38f0664a5f
commit 883f1a7ce0

View file

@ -518,6 +518,10 @@ void bch2_fs_stop(struct bch_fs *c)
cancel_work_sync(&c->journal_seq_blacklist_gc_work);
mutex_lock(&c->state_lock);
bch2_fs_read_only(c);
mutex_unlock(&c->state_lock);
for_each_member_device(ca, c, i)
if (ca->kobj.state_in_sysfs &&
ca->disk_sb.bdev)
@ -540,10 +544,6 @@ void bch2_fs_stop(struct bch_fs *c)
closure_sync(&c->cl);
closure_debug_destroy(&c->cl);
mutex_lock(&c->state_lock);
bch2_fs_read_only(c);
mutex_unlock(&c->state_lock);
/* btree prefetch might have kicked off reads in the background: */
bch2_btree_flush_all_reads(c);