diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_defer.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index fbe64933bcc9..eff4a127188e 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -356,7 +356,10 @@ xfs_defer_relog( struct xfs_trans **tpp, struct list_head *dfops) { + struct xlog *log = (*tpp)->t_mountp->m_log; struct xfs_defer_pending *dfp; + xfs_lsn_t threshold_lsn = NULLCOMMITLSN; + ASSERT((*tpp)->t_flags & XFS_TRANS_PERM_LOG_RES); @@ -372,6 +375,19 @@ xfs_defer_relog( xfs_log_item_in_current_chkpt(dfp->dfp_intent)) continue; + /* + * Figure out where we need the tail to be in order to maintain + * the minimum required free space in the log. Only sample + * the log threshold once per call. + */ + if (threshold_lsn == NULLCOMMITLSN) { + threshold_lsn = xlog_grant_push_threshold(log, 0); + if (threshold_lsn == NULLCOMMITLSN) + break; + } + if (XFS_LSN_CMP(dfp->dfp_intent->li_lsn, threshold_lsn) >= 0) + continue; + trace_xfs_defer_relog_intent((*tpp)->t_mountp, dfp); XFS_STATS_INC((*tpp)->t_mountp, defer_relog); dfp->dfp_intent = xfs_trans_item_relog(dfp->dfp_intent, *tpp); |