PG_HEADLOCK - Linux

56

{ BIT(PG_HEADLOCK), "HEADLOCK" }, \

201

if (!test_and_set_bit(PG_HEADLOCK, &req->wb_flags))

206

return wait_on_bit_lock(&req->wb_flags, PG_HEADLOCK,

217

clear_bit_unlock(PG_HEADLOCK, &req->wb_flags);

221

wake_up_bit(&req->wb_flags, PG_HEADLOCK);

268

WARN_ON_ONCE(!test_bit(PG_HEADLOCK, &head->wb_flags));

324

WARN_ON_ONCE(!test_bit(PG_HEADLOCK, &prev->wb_head->wb_flags));