diff options
Diffstat (limited to 'fs/xfs/xfs_trans_ail.c')
| -rw-r--r-- | fs/xfs/xfs_trans_ail.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index 7d6ccd21aae2..5f03f82c4683 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -720,6 +720,26 @@ xfs_ail_push_all_sync( finish_wait(&ailp->ail_empty, &wait); } +void +__xfs_ail_assign_tail_lsn( + struct xfs_ail *ailp) +{ + struct xlog *log = ailp->ail_log; + xfs_lsn_t tail_lsn; + + assert_spin_locked(&ailp->ail_lock); + + if (xlog_is_shutdown(log)) + return; + + tail_lsn = __xfs_ail_min_lsn(ailp); + if (!tail_lsn) + tail_lsn = ailp->ail_head_lsn; + + trace_xfs_log_assign_tail_lsn(log, tail_lsn); + atomic64_set(&log->l_tail_lsn, tail_lsn); +} + /* * Callers should pass the original tail lsn so that we can detect if the tail * has moved as a result of the operation that was performed. If the caller @@ -734,15 +754,13 @@ xfs_ail_update_finish( { struct xlog *log = ailp->ail_log; - /* if the tail lsn hasn't changed, don't do updates or wakeups. */ + /* If the tail lsn hasn't changed, don't do updates or wakeups. */ if (!old_lsn || old_lsn == __xfs_ail_min_lsn(ailp)) { spin_unlock(&ailp->ail_lock); return; } - if (!xlog_is_shutdown(log)) - xlog_assign_tail_lsn_locked(log->l_mp); - + __xfs_ail_assign_tail_lsn(ailp); if (list_empty(&ailp->ail_head)) wake_up_all(&ailp->ail_empty); spin_unlock(&ailp->ail_lock); |