f2fs: add tracepoints for sync & inode operations
Add tracepoints in f2fs for tracing the syncing
operations like filesystem sync, file sync enter/exit.
It will helf to trace the code under debugging scenarios.
Also add tracepoints for tracing the various inode operations
like building inode, eviction of inode, link/unlike of
inodes.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[Jaegeuk: combine and modify the tracepoint structures]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 1dbf11d..c57fd18 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -18,6 +18,7 @@
#include "node.h"
#include "xattr.h"
#include "acl.h"
+#include <trace/events/f2fs.h>
static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
{
@@ -235,6 +236,7 @@
int err = -ENOENT;
int ilock;
+ trace_f2fs_unlink_enter(dir, dentry);
f2fs_balance_fs(sbi);
de = f2fs_find_entry(dir, &dentry->d_name, &page);
@@ -255,6 +257,7 @@
/* In order to evict this inode, we set it dirty */
mark_inode_dirty(inode);
fail:
+ trace_f2fs_unlink_exit(inode, err);
return err;
}