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| author | Bob Peterson | 2018-01-08 16:34:17 +0100 |
|---|---|---|
| committer | Bob Peterson | 2018-01-23 15:39:20 +0100 |
| commit | 805c090750a315c5443c14e06304e19a01c697a0 (patch) | |
| tree | 2cb72f782264f06b26392d043197b981179e3894 /fs/gfs2/log.c | |
| parent | GFS2: Introduce new gfs2_log_header_v2 (diff) | |
| download | kernel-qcow2-linux-805c090750a315c5443c14e06304e19a01c697a0.tar.gz kernel-qcow2-linux-805c090750a315c5443c14e06304e19a01c697a0.tar.xz kernel-qcow2-linux-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/log.c')
| -rw-r--r-- | fs/gfs2/log.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index a2eb13c04591..cf6b46247df4 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -757,7 +757,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags) * gfs2_log_flush - flush incore transaction(s) * @sdp: the filesystem * @gl: The glock structure to flush. If NULL, flush the whole incore log - * @flags: The log header flags: GFS2_LOG_HEAD_FLUSH_* + * @flags: The log header flags: GFS2_LOG_HEAD_FLUSH_* and debug flags * */ @@ -773,7 +773,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags) up_write(&sdp->sd_log_flush_lock); return; } - trace_gfs2_log_flush(sdp, 1); + trace_gfs2_log_flush(sdp, 1, flags); if (flags & GFS2_LOG_HEAD_FLUSH_SHUTDOWN) clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags); @@ -841,7 +841,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags) atomic_set(&sdp->sd_freeze_state, SFS_FROZEN); } - trace_gfs2_log_flush(sdp, 0); + trace_gfs2_log_flush(sdp, 0, flags); up_write(&sdp->sd_log_flush_lock); kfree(tr); @@ -937,7 +937,7 @@ void gfs2_log_shutdown(struct gfs2_sbd *sdp) sdp->sd_log_flush_head = sdp->sd_log_head; - log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT); + log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT | GFS2_LFC_SHUTDOWN); gfs2_assert_warn(sdp, sdp->sd_log_head == sdp->sd_log_tail); gfs2_assert_warn(sdp, list_empty(&sdp->sd_ail2_list)); @@ -993,7 +993,8 @@ int gfs2_logd(void *data) did_flush = false; if (gfs2_jrnl_flush_reqd(sdp) || t == 0) { gfs2_ail1_empty(sdp); - gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL); + gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL | + GFS2_LFC_LOGD_JFLUSH_REQD); did_flush = true; } @@ -1001,7 +1002,8 @@ int gfs2_logd(void *data) gfs2_ail1_start(sdp); gfs2_ail1_wait(sdp); gfs2_ail1_empty(sdp); - gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL); + gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL | + GFS2_LFC_LOGD_AIL_FLUSH_REQD); did_flush = true; } |