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Commit b8d96a30 authored by Hou Pengyang's avatar Hou Pengyang Committed by Jaegeuk Kim
Browse files

f2fs: add f2fs_drop_inode tracepoint 



Signed-off-by: default avatarHou Pengyang <houpengyang@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 7bb3a371

fs/f2fs/super.c

+5 −2
Original line number Diff line number Diff line
@@ -624,6 +624,7 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb) 


static int f2fs_drop_inode(struct inode *inode)

{

	int ret;

	/*

	 * This is to avoid a deadlock condition like below.

	 * writeback_single_inode(inode)
@@ -656,10 +657,12 @@ static int f2fs_drop_inode(struct inode *inode) 
			spin_lock(&inode->i_lock);

			atomic_dec(&inode->i_count);

		}

		trace_f2fs_drop_inode(inode, 0);

		return 0;

	}



	return generic_drop_inode(inode);

	ret = generic_drop_inode(inode);

	trace_f2fs_drop_inode(inode, ret);

	return ret;

}



int f2fs_inode_dirtied(struct inode *inode, bool sync)

include/trace/events/f2fs.h

+7 −0
Original line number Diff line number Diff line
@@ -315,6 +315,13 @@ DEFINE_EVENT(f2fs__inode_exit, f2fs_unlink_exit, 
	TP_ARGS(inode, ret)

);



DEFINE_EVENT(f2fs__inode_exit, f2fs_drop_inode,



	TP_PROTO(struct inode *inode, int ret),



	TP_ARGS(inode, ret)

);



DEFINE_EVENT(f2fs__inode, f2fs_truncate,



	TP_PROTO(struct inode *inode),