Lines Matching defs:state
118 * Buffer state bits.
148 unsigned long state;
727 BUG_ON(!test_bit(B_WRITING, &b->state));
730 clear_bit(B_WRITING, &b->state);
733 wake_up_bit(&b->state, B_WRITING);
748 if (!test_bit(B_DIRTY, &b->state))
751 clear_bit(B_DIRTY, &b->state);
752 wait_on_bit_lock_io(&b->state, B_WRITING, TASK_UNINTERRUPTIBLE);
786 if (!b->state) /* fast case */
789 wait_on_bit_io(&b->state, B_READING, TASK_UNINTERRUPTIBLE);
791 wait_on_bit_io(&b->state, B_WRITING, TASK_UNINTERRUPTIBLE);
803 BUG_ON(test_bit(B_WRITING, &b->state));
804 BUG_ON(test_bit(B_DIRTY, &b->state));
815 BUG_ON(test_bit(B_READING, &b->state));
953 BUG_ON(test_bit(B_READING, &b->state));
955 if (!test_bit(B_DIRTY, &b->state) &&
956 !test_bit(B_WRITING, &b->state)) {
961 if (no_wait && test_bit(B_WRITING, &b->state))
1023 b->state = 0;
1027 b->state = 1 << B_READING;
1042 if (nf == NF_GET && unlikely(test_bit(B_READING, &b->state)))
1046 __relink_lru(b, test_bit(B_DIRTY, &b->state) ||
1047 test_bit(B_WRITING, &b->state));
1059 BUG_ON(!test_bit(B_READING, &b->state));
1062 clear_bit(B_READING, &b->state);
1065 wake_up_bit(&b->state, B_READING);
1098 wait_on_bit_io(&b->state, B_READING, TASK_UNINTERRUPTIBLE);
1202 !test_bit(B_READING, &b->state) &&
1203 !test_bit(B_WRITING, &b->state) &&
1204 !test_bit(B_DIRTY, &b->state)) {
1224 BUG_ON(test_bit(B_READING, &b->state));
1226 if (!test_and_set_bit(B_DIRTY, &b->state)) {
1288 BUG_ON(test_bit(B_READING, &b->state));
1290 if (test_bit(B_WRITING, &b->state)) {
1295 wait_on_bit_io(&b->state, B_WRITING,
1300 wait_on_bit_io(&b->state, B_WRITING,
1304 if (!test_bit(B_DIRTY, &b->state) &&
1305 !test_bit(B_WRITING, &b->state))
1426 BUG_ON(test_bit(B_READING, &b->state));
1430 wait_on_bit_io(&b->state, B_WRITING,
1432 set_bit(B_DIRTY, &b->state);
1439 wait_on_bit_lock_io(&b->state, B_WRITING,
1452 wait_on_bit_io(&b->state, B_WRITING,
1465 if (likely(!b->hold_count) && likely(!b->state)) {
1624 if (test_bit(B_READING, &b->state) ||
1625 test_bit(B_WRITING, &b->state) ||
1626 test_bit(B_DIRTY, &b->state))