diff options
| author | Bob Peterson <rpeterso@redhat.com> | 2018-01-08 10:34:17 -0500 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2018-01-23 07:39:20 -0700 |
| commit | 805c090750a315c5443c14e06304e19a01c697a0 (patch) | |
| tree | 2cb72f782264f06b26392d043197b981179e3894 /fs/gfs2/trace_gfs2.h | |
| parent | c1696fb85d33194cf65c7ebfc82a75696299c3a3 (diff) | |
| download | lwn-805c090750a315c5443c14e06304e19a01c697a0.tar.gz lwn-805c090750a315c5443c14e06304e19a01c697a0.zip | |
GFS2: Log the reason for log flushes in every log header
This patch just adds the capability for GFS2 to track which function
called gfs2_log_flush. This should make it easier to diagnose
problems based on the sequence of events found in the journals.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2/trace_gfs2.h')
| -rw-r--r-- | fs/gfs2/trace_gfs2.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h index f67a709589d3..b9318b49ff8f 100644 --- a/fs/gfs2/trace_gfs2.h +++ b/fs/gfs2/trace_gfs2.h @@ -353,26 +353,29 @@ TRACE_EVENT(gfs2_pin, /* Flushing the log */ TRACE_EVENT(gfs2_log_flush, - TP_PROTO(const struct gfs2_sbd *sdp, int start), + TP_PROTO(const struct gfs2_sbd *sdp, int start, u32 flags), - TP_ARGS(sdp, start), + TP_ARGS(sdp, start, flags), TP_STRUCT__entry( __field( dev_t, dev ) __field( int, start ) __field( u64, log_seq ) + __field( u32, flags ) ), TP_fast_assign( __entry->dev = sdp->sd_vfs->s_dev; __entry->start = start; __entry->log_seq = sdp->sd_log_sequence; + __entry->flags = flags; ), - TP_printk("%u,%u log flush %s %llu", + TP_printk("%u,%u log flush %s %llu %llx", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->start ? "start" : "end", - (unsigned long long)__entry->log_seq) + (unsigned long long)__entry->log_seq, + (unsigned long long)__entry->flags) ); /* Reserving/releasing blocks in the log */ |