diff options
Diffstat (limited to 'fs/xfs/xfs_log.c')
| -rw-r--r-- | fs/xfs/xfs_log.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 4b1c0a9c6368..386b0307aed8 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1925,9 +1925,17 @@ xlog_write_iclog( * device cache first to ensure all metadata writeback covered * by the LSN in this iclog is on stable storage. This is slow, * but it *must* complete before we issue the external log IO. + * + * If the flush fails, we cannot conclude that past metadata + * writeback from the log succeeded. Repeating the flush is + * not possible, hence we must shut down with log IO error to + * avoid shutdown re-entering this path and erroring out again. */ - if (log->l_targ != log->l_mp->m_ddev_targp) - blkdev_issue_flush(log->l_mp->m_ddev_targp->bt_bdev); + if (log->l_targ != log->l_mp->m_ddev_targp && + blkdev_issue_flush(log->l_mp->m_ddev_targp->bt_bdev)) { + xlog_force_shutdown(log, SHUTDOWN_LOG_IO_ERROR); + return; + } } if (iclog->ic_flags & XLOG_ICL_NEED_FUA) iclog->ic_bio.bi_opf |= REQ_FUA; |