ocfs2: Remove masklog ML_SUPER.

Remove mlog(0) from fs/ocfs2/super.c and the masklog SUPER.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>

4 files changed, 118 insertions, 21 deletions

diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index c5ba4373d863..ffc0de62a031 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -93,7 +93,6 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = {
         define_mask(DLM_RECOVERY),
         define_mask(AIO),
         define_mask(JOURNAL),
-        define_mask(SUPER),
         define_mask(DLM_GLUE),
         define_mask(BH_IO),
         define_mask(UPTODATE),
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index e4ca487078b3..98d4af95c8fe 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -95,7 +95,6 @@
 #define ML_DLM_RECOVERY 0x0000000000001000ULL /* dlm master functions */
 #define ML_AIO          0x0000000000002000ULL /* ocfs2 aio read and write */
 #define ML_JOURNAL      0x0000000000004000ULL /* ocfs2 journalling functions */
-#define ML_SUPER        0x0000000000010000ULL /* ocfs2 mount / umount */
 #define ML_DLM_GLUE     0x0000000000080000ULL /* ocfs2 dlm glue layer */
 #define ML_BH_IO        0x0000000000100000ULL /* ocfs2 buffer I/O */
 #define ML_UPTODATE     0x0000000000200000ULL /* ocfs2 caching sequence #'s */
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h
index 876b119d3656..75900635109b 100644
--- a/fs/ocfs2/ocfs2_trace.h
+++ b/fs/ocfs2/ocfs2_trace.h
@@ -57,6 +57,23 @@ DEFINE_EVENT(ocfs2__ull, name,	\
         TP_PROTO(unsigned long long num),       \
         TP_ARGS(num))
 
+DECLARE_EVENT_CLASS(ocfs2__pointer,
+        TP_PROTO(void *pointer),
+        TP_ARGS(pointer),
+        TP_STRUCT__entry(
+                __field(void *, pointer)
+        ),
+        TP_fast_assign(
+                __entry->pointer = pointer;
+        ),
+        TP_printk("%p", __entry->pointer)
+);
+
+#define DEFINE_OCFS2_POINTER_EVENT(name)        \
+DEFINE_EVENT(ocfs2__pointer, name,      \
+        TP_PROTO(void *pointer),        \
+        TP_ARGS(pointer))
+
 DECLARE_EVENT_CLASS(ocfs2__int_int,
         TP_PROTO(int value1, int value2),
         TP_ARGS(value1, value2),
@@ -1537,6 +1554,97 @@ DEFINE_OCFS2_INT_EVENT(ocfs2_do_node_down);
 
 /* End of trace events for fs/ocfs2/heartbeat.c. */
 
+/* Trace events for fs/ocfs2/super.c. */
+
+TRACE_EVENT(ocfs2_remount,
+        TP_PROTO(unsigned long s_flags, unsigned long osb_flags, int flags),
+        TP_ARGS(s_flags, osb_flags, flags),
+        TP_STRUCT__entry(
+                __field(unsigned long, s_flags)
+                __field(unsigned long, osb_flags)
+                __field(int, flags)
+        ),
+        TP_fast_assign(
+                __entry->s_flags = s_flags;
+                __entry->osb_flags = osb_flags;
+                __entry->flags = flags;
+        ),
+        TP_printk("%lu %lu %d", __entry->s_flags,
+                  __entry->osb_flags, __entry->flags)
+);
+
+TRACE_EVENT(ocfs2_fill_super,
+        TP_PROTO(void *sb, void *data, int silent),
+        TP_ARGS(sb, data, silent),
+        TP_STRUCT__entry(
+                __field(void *, sb)
+                __field(void *, data)
+                __field(int, silent)
+        ),
+        TP_fast_assign(
+                __entry->sb = sb;
+                __entry->data = data;
+                __entry->silent = silent;
+        ),
+        TP_printk("%p %p %d", __entry->sb,
+                  __entry->data, __entry->silent)
+);
+
+TRACE_EVENT(ocfs2_parse_options,
+        TP_PROTO(int is_remount, char *options),
+        TP_ARGS(is_remount, options),
+        TP_STRUCT__entry(
+                __field(int, is_remount)
+                __string(options, options)
+        ),
+        TP_fast_assign(
+                __entry->is_remount = is_remount;
+                __assign_str(options, options);
+        ),
+        TP_printk("%d %s", __entry->is_remount, __get_str(options))
+);
+
+DEFINE_OCFS2_POINTER_EVENT(ocfs2_put_super);
+
+TRACE_EVENT(ocfs2_statfs,
+        TP_PROTO(void *sb, void *buf),
+        TP_ARGS(sb, buf),
+        TP_STRUCT__entry(
+                __field(void *, sb)
+                __field(void *, buf)
+        ),
+        TP_fast_assign(
+                __entry->sb = sb;
+                __entry->buf = buf;
+        ),
+        TP_printk("%p %p", __entry->sb, __entry->buf)
+);
+
+DEFINE_OCFS2_POINTER_EVENT(ocfs2_dismount_volume);
+
+TRACE_EVENT(ocfs2_initialize_super,
+        TP_PROTO(char *label, char *uuid_str, unsigned long long root_dir,
+                 unsigned long long system_dir, int cluster_bits),
+        TP_ARGS(label, uuid_str, root_dir, system_dir, cluster_bits),
+        TP_STRUCT__entry(
+                __string(label, label)
+                __string(uuid_str, uuid_str)
+                __field(unsigned long long, root_dir)
+                __field(unsigned long long, system_dir)
+                __field(int, cluster_bits)
+        ),
+        TP_fast_assign(
+                __assign_str(label, label);
+                __assign_str(uuid_str, uuid_str);
+                __entry->root_dir = root_dir;
+                __entry->system_dir = system_dir;
+                __entry->cluster_bits = cluster_bits;
+        ),
+        TP_printk("%s %s %llu %llu %d", __get_str(label), __get_str(uuid_str),
+                  __entry->root_dir, __entry->system_dir, __entry->cluster_bits)
+);
+
+/* End of trace events for fs/ocfs2/super.c. */
 #endif /* _TRACE_OCFS2_H */
 
 /* This part must be outside protection */
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index f7e73a029844..0e4083987d2b 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -45,7 +45,6 @@
 #define CREATE_TRACE_POINTS
 #include "ocfs2_trace.h"
 
-#define MLOG_MASK_PREFIX ML_SUPER
 #include <cluster/masklog.h>
 
 #include "ocfs2.h"
@@ -680,12 +679,9 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
                 }
 
                 if (*flags & MS_RDONLY) {
-                        mlog(0, "Going to ro mode.\n");
                         sb->s_flags |= MS_RDONLY;
                         osb->osb_flags |= OCFS2_OSB_SOFT_RO;
                 } else {
-                        mlog(0, "Making ro filesystem writeable.\n");
-
                         if (osb->osb_flags & OCFS2_OSB_ERROR_FS) {
                                 mlog(ML_ERROR, "Cannot remount RDWR "
                                      "filesystem due to previous errors.\n");
@@ -703,6 +699,7 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
                         sb->s_flags &= ~MS_RDONLY;
                         osb->osb_flags &= ~OCFS2_OSB_SOFT_RO;
                 }
+                trace_ocfs2_remount(sb->s_flags, osb->osb_flags, *flags);
 unlock_osb:
                 spin_unlock(&osb->osb_lock);
                 /* Enable quota accounting after remounting RW */
@@ -1028,7 +1025,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
         char nodestr[8];
         struct ocfs2_blockcheck_stats stats;
 
-        mlog(0, "%p, %p, %i", sb, data, silent);
+        trace_ocfs2_fill_super(sb, data, silent);
 
         if (!ocfs2_parse_options(sb, data, &parsed_options, 0)) {
                 status = -EINVAL;
@@ -1315,8 +1312,7 @@ static int ocfs2_parse_options(struct super_block *sb,
         char *p;
         u32 tmp;
 
-        mlog(0, "remount: %d, options: \"%s\"\n", is_remount,
-             options ? options : "(none)");
+        trace_ocfs2_parse_options(is_remount, options ? options : "(none)");
 
         mopt->commit_interval = 0;
         mopt->mount_opt = OCFS2_MOUNT_NOINTR;
@@ -1692,7 +1688,7 @@ static void __exit ocfs2_exit(void)
 
 static void ocfs2_put_super(struct super_block *sb)
 {
-        mlog(0, "(0x%p)\n", sb);
+        trace_ocfs2_put_super(sb);
 
         ocfs2_sync_blockdev(sb);
         ocfs2_dismount_volume(sb, 0);
@@ -1707,7 +1703,7 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
         struct buffer_head *bh = NULL;
         struct inode *inode = NULL;
 
-        mlog(0, "(%p, %p)\n", dentry->d_sb, buf);
+        trace_ocfs2_statfs(dentry->d_sb, buf);
 
         osb = OCFS2_SB(dentry->d_sb);
 
@@ -1928,7 +1924,7 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
         struct ocfs2_super *osb = NULL;
         char nodestr[8];
 
-        mlog(0, "(0x%p)\n", sb);
+        trace_ocfs2_dismount_volume(sb);
 
         BUG_ON(!sb);
         osb = OCFS2_SB(sb);
@@ -2143,7 +2139,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
                 status = -EINVAL;
                 goto bail;
         }
-        mlog(0, "max_slots for this device: %u\n", osb->max_slots);
 
         ocfs2_orphan_scan_init(osb);
 
@@ -2282,7 +2277,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
         osb->s_clustersize_bits =
                 le32_to_cpu(di->id2.i_super.s_clustersize_bits);
         osb->s_clustersize = 1 << osb->s_clustersize_bits;
-        mlog(0, "clusterbits=%d\n", osb->s_clustersize_bits);
 
         if (osb->s_clustersize < OCFS2_MIN_CLUSTERSIZE ||
             osb->s_clustersize > OCFS2_MAX_CLUSTERSIZE) {
@@ -2321,11 +2315,10 @@ static int ocfs2_initialize_super(struct super_block *sb,
                 le64_to_cpu(di->id2.i_super.s_first_cluster_group);
         osb->fs_generation = le32_to_cpu(di->i_fs_generation);
         osb->uuid_hash = le32_to_cpu(di->id2.i_super.s_uuid_hash);
-        mlog(0, "vol_label: %s\n", osb->vol_label);
-        mlog(0, "uuid: %s\n", osb->uuid_str);
-        mlog(0, "root_blkno=%llu, system_dir_blkno=%llu\n",
-             (unsigned long long)osb->root_blkno,
-             (unsigned long long)osb->system_dir_blkno);
+        trace_ocfs2_initialize_super(osb->vol_label, osb->uuid_str,
+                                     (unsigned long long)osb->root_blkno,
+                                     (unsigned long long)osb->system_dir_blkno,
+                                     osb->s_clustersize_bits);
 
         osb->osb_dlm_debug = ocfs2_new_dlm_debug();
         if (!osb->osb_dlm_debug) {
@@ -2500,8 +2493,6 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
                  * ourselves as mounted. */
         }
 
-        mlog(0, "Journal loaded.\n");
-
         status = ocfs2_load_local_alloc(osb);
         if (status < 0) {
                 mlog_errno(status);