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authorSteven Whitehouse <swhiteho@redhat.com>2009-06-12 08:49:20 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2009-06-12 08:49:20 +0100
commit63997775b795f97ef51f3e56bc3abc9edc04bbb0 (patch)
tree607519910f92b1101fbe0223c301c503001bc0ef /fs/gfs2/ops_fstype.c
parent8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff)
downloadconfigs-63997775b795f97ef51f3e56bc3abc9edc04bbb0.tar.gz
GFS2: Add tracepoints
This patch adds the ability to trace various aspects of the GFS2 filesystem. The trace points are divided into three groups, glocks, logging and bmap. These points have been chosen because they allow inspection of the major internal functions of GFS2 and they are also generic enough that they are unlikely to need any major changes as the filesystem evolves. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/ops_fstype.c')
-rw-r--r--fs/gfs2/ops_fstype.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index cc34f271b3e..7bc3c45cd67 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -33,6 +33,7 @@
#include "log.h"
#include "quota.h"
#include "dir.h"
+#include "trace_gfs2.h"
#define DO 0
#define UNDO 1
@@ -775,6 +776,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
/* Map the extents for this journal's blocks */
map_journal_extents(sdp);
}
+ trace_gfs2_log_blocks(sdp, atomic_read(&sdp->sd_log_blks_free));
if (sdp->sd_lockstruct.ls_first) {
unsigned int x;