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Commit d70b4f53 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: add a tracepoint on f2fs_new_inode 



This can help when debugging the free nid allocation flows.

Reviewed-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarJaegeuk 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),