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ext4: add tracepoint for ext4_forget()

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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2009-11-23 07:25:08 -05:00
parent cf40db137c
commit beac2da756
2 changed files with 27 additions and 0 deletions
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1
fs/ext4/inode.c
View file

@ -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, "

26
include/trace/events/ext4.h
View file

@ -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 */