jbd2_max_user_trans_buffers
jbd2_max_user_trans_buffers(journal)) {
jbd2_max_user_trans_buffers(journal));
if (needed > jbd2_max_user_trans_buffers(journal) / 2) {
<= jbd2_max_user_trans_buffers(journal) / 2);
if (rsv_blocks > jbd2_max_user_trans_buffers(journal) / 2 ||
rsv_blocks + blocks > jbd2_max_user_trans_buffers(journal)) {
jbd2_max_user_trans_buffers(journal));