The cycle: CPU0: CPU1: bc->lock pcpu_alloc_mutex pcpu_alloc_mutex bc->lock
Reported-by: [email protected] Tested-by: [email protected] Signed-off-by: Alan Huang <[email protected]> --- fs/bcachefs/six.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/bcachefs/six.c b/fs/bcachefs/six.c index 7e7c66a1e1a6..ccdc6d496910 100644 --- a/fs/bcachefs/six.c +++ b/fs/bcachefs/six.c @@ -873,7 +873,7 @@ void __six_lock_init(struct six_lock *lock, const char *name, * failure if they wish by checking lock->readers, but generally * will not want to treat it as an error. */ - lock->readers = alloc_percpu(unsigned); + lock->readers = alloc_percpu_gfp(unsigned, GFP_NOWAIT|__GFP_NOWARN); } #endif } -- 2.47.0
