diff options
| -rw-r--r-- | fs/xfs/xfs_log.c | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_cil.c | 9 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 2 |
3 files changed, 16 insertions, 3 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 0c91da5defee..17ece07de439 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -786,10 +786,12 @@ xfs_log_mount_cancel( } /* - * Wait for the iclog to be written disk, or return an error if the log has been - * shut down. + * Wait for the iclog and all prior iclogs to be written disk as required by the + * log force state machine. Waiting on ic_force_wait ensures iclog completions + * have been ordered and callbacks run before we are woken here, hence + * guaranteeing that all the iclogs up to this one are on stable storage. */ -static int +int xlog_wait_on_iclog( struct xlog_in_core *iclog) __releases(iclog->ic_log->l_icloglock) diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index b0ef071b3cb5..1e5fd6f268c2 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -870,6 +870,15 @@ restart: wake_up_all(&cil->xc_commit_wait); spin_unlock(&cil->xc_push_lock); + /* + * If the checkpoint spans multiple iclogs, wait for all previous + * iclogs to complete before we submit the commit_iclog. + */ + if (ctx->start_lsn != commit_lsn) { + spin_lock(&log->l_icloglock); + xlog_wait_on_iclog(commit_iclog->ic_prev); + } + /* release the hounds! */ xfs_log_release_iclog(commit_iclog); return; diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 037950cf1061..ee7786b33da9 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -584,6 +584,8 @@ xlog_wait( remove_wait_queue(wq, &wait); } +int xlog_wait_on_iclog(struct xlog_in_core *iclog); + /* * The LSN is valid so long as it is behind the current LSN. If it isn't, this * means that the next log record that includes this metadata could have a |