Commit d70b4f53 authored Apr 25, 2013 by Jaegeuk Kim

f2fs: add a tracepoint on f2fs_new_inode



This can help when debugging the free nid allocation flows.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

parent 9198aceb

fs/f2fs/namei.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -63,7 +63,7 @@ static struct inode f2fs_new_inode(struct inode dir, umode_t mode)
		nid_free = true;
		goto out;
		}

		trace_f2fs_new_inode(inode, 0);
		mark_inode_dirty(inode);
		return inode;

		@@ -71,6 +71,7 @@ static struct inode f2fs_new_inode(struct inode dir, umode_t mode)
		clear_nlink(inode);
		unlock_new_inode(inode);
		fail:
		trace_f2fs_new_inode(inode, err);
		iput(inode);
		if (nid_free)
		alloc_nid_failed(sbi, ino);

include/trace/events/f2fs.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -197,6 +197,13 @@ DEFINE_EVENT(f2fs__inode, f2fs_evict_inode,
		TP_ARGS(inode)
		);

		DEFINE_EVENT(f2fs__inode_exit, f2fs_new_inode,

		TP_PROTO(struct inode *inode, int ret),

		TP_ARGS(inode, ret)
		);

		TRACE_EVENT(f2fs_unlink_enter,

		TP_PROTO(struct inode dir, struct dentry dentry),