f2fs_issue_flush
struct task_struct *f2fs_issue_flush; /* flush thread */
int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
ret = f2fs_issue_flush(sbi, inode->i_ino);
if (fcc->f2fs_issue_flush) {
if (fcc->f2fs_issue_flush)
fcc->f2fs_issue_flush = kthread_run(issue_flush_thread, sbi,
if (IS_ERR(fcc->f2fs_issue_flush)) {
int err = PTR_ERR(fcc->f2fs_issue_flush);
fcc->f2fs_issue_flush = NULL;
if (fcc && fcc->f2fs_issue_flush) {
struct task_struct *flush_thread = fcc->f2fs_issue_flush;
fcc->f2fs_issue_flush = NULL;
TRACE_EVENT(f2fs_issue_flush,