diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2021-09-01 11:25:02 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-10-22 16:41:13 -0700 |
| commit | 2463a42b4e735b9694b5a6d64839ae02c4a772aa (patch) | |
| tree | 4c39cbab6624f364774d36438277a17c07560bc9 /fs/xfs/libxfs | |
| parent | 67ef67459be06a84bec477a4558b29cae91f5c0e (diff) | |
xfs: track deferred ops statistics
Track some basic statistics on how hard we're pushing the defer ops.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_defer.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index 0c34987773ad..3045ad184972 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -464,6 +464,8 @@ xfs_defer_finish_one( /* Done with the dfp, free it. */ list_del(&dfp->dfp_list); kmem_free(dfp); + tp->t_dfops_nr--; + tp->t_dfops_finished++; out: if (ops->finish_cleanup) ops->finish_cleanup(tp, state, error); @@ -504,6 +506,9 @@ xfs_defer_finish_noroll( xfs_defer_create_intents(*tp); list_splice_init(&(*tp)->t_dfops, &dop_pending); + (*tp)->t_dfops_nr_max = max((*tp)->t_dfops_nr, + (*tp)->t_dfops_nr_max); + error = xfs_defer_trans_roll(tp); if (error) goto out_shutdown; @@ -528,6 +533,7 @@ out_shutdown: xfs_force_shutdown((*tp)->t_mountp, SHUTDOWN_CORRUPT_INCORE); trace_xfs_defer_finish_error(*tp, error); xfs_defer_cancel_list((*tp)->t_mountp, &dop_pending); + (*tp)->t_dfops_nr = 0; xfs_defer_cancel(*tp); return error; } @@ -568,6 +574,7 @@ xfs_defer_cancel( trace_xfs_defer_cancel(tp, _RET_IP_); xfs_defer_cancel_list(mp, &tp->t_dfops); + tp->t_dfops_nr = 0; } /* Add an item for later deferred processing. */ @@ -605,6 +612,7 @@ xfs_defer_add( dfp->dfp_count = 0; INIT_LIST_HEAD(&dfp->dfp_work); list_add_tail(&dfp->dfp_list, &tp->t_dfops); + tp->t_dfops_nr++; } list_add_tail(li, &dfp->dfp_work); @@ -622,6 +630,12 @@ xfs_defer_move( struct xfs_trans *stp) { list_splice_init(&stp->t_dfops, &dtp->t_dfops); + dtp->t_dfops_nr += stp->t_dfops_nr; + dtp->t_dfops_nr_max = stp->t_dfops_nr_max; + dtp->t_dfops_finished = stp->t_dfops_finished; + stp->t_dfops_nr = 0; + stp->t_dfops_nr_max = 0; + stp->t_dfops_finished = 0; /* * Low free space mode was historically controlled by a dfops field. |