diff options
Diffstat (limited to 'fs/f2fs/segment.h')
| -rw-r--r-- | fs/f2fs/segment.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index b9b4f85ffeb6..613b2fa7b1c1 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -798,3 +798,28 @@ static inline long nr_pages_to_write(struct f2fs_sb_info *sbi, int type, wbc->nr_to_write = desired; return desired - nr_to_write; } + +static inline void wake_up_discard_thread(struct f2fs_sb_info *sbi, bool force) +{ + struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info; + bool wakeup = false; + int i; + + if (force) + goto wake_up; + + mutex_lock(&dcc->cmd_lock); + for (i = MAX_PLIST_NUM - 1; + i >= 0 && plist_issue(dcc->pend_list_tag[i]); i--) { + if (!list_empty(&dcc->pend_list[i])) { + wakeup = true; + break; + } + } + mutex_unlock(&dcc->cmd_lock); + if (!wakeup) + return; +wake_up: + dcc->discard_wake = 1; + wake_up_interruptible_all(&dcc->discard_wait_queue); +} |