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Commit beac2da7 authored by Theodore Ts'o's avatar Theodore Ts'o
Browse files

ext4: add tracepoint for ext4_forget() 



Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent cf40db13

fs/ext4/inode.c

+1 −0
Original line number Diff line number Diff line
@@ -89,6 +89,7 @@ int ext4_forget(handle_t *handle, int is_metadata, struct inode *inode, 


	might_sleep();



	trace_ext4_forget(inode, is_metadata, blocknr);

	BUFFER_TRACE(bh, "enter");



	jbd_debug(4, "forgetting bh %p: is_metadata = %d, mode %o, "

include/trace/events/ext4.h

+26 −0
Original line number Diff line number Diff line
@@ -907,6 +907,32 @@ TRACE_EVENT(ext4_mballoc_free, 
		  __entry->result_len, __entry->result_logical)

);



TRACE_EVENT(ext4_forget,

	TP_PROTO(struct inode *inode, int is_metadata, __u64 block),



	TP_ARGS(inode, is_metadata, block),



	TP_STRUCT__entry(

		__field(	dev_t,	dev			)

		__field(	ino_t,	ino			)

		__field(	umode_t, mode			)

		__field(	int,	is_metadata		)

		__field(	__u64,	block			)

	),



	TP_fast_assign(

		__entry->dev	= inode->i_sb->s_dev;

		__entry->ino	= inode->i_ino;

		__entry->mode	= inode->i_mode;

		__entry->is_metadata = is_metadata;

		__entry->block	= block;

	),



	TP_printk("dev %s ino %lu mode %d is_metadata %d block %llu",

		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,

		  __entry->mode, __entry->is_metadata, __entry->block)

);



#endif /* _TRACE_EXT4_H */



/* This part must be outside protection */