locks: change tracepoint for generic_add_lease
Add some more helpful info to make it easier to determine why a lease wasn't granted. Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
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@ -81,15 +81,47 @@ DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, st
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DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl),
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TP_ARGS(inode, fl));
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DEFINE_EVENT(filelock_lease, generic_add_lease, TP_PROTO(struct inode *inode, struct file_lock *fl),
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TP_ARGS(inode, fl));
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DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl),
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TP_ARGS(inode, fl));
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DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl),
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TP_ARGS(inode, fl));
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TRACE_EVENT(generic_add_lease,
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TP_PROTO(struct inode *inode, struct file_lock *fl),
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TP_ARGS(inode, fl),
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TP_STRUCT__entry(
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__field(unsigned long, i_ino)
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__field(int, wcount)
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__field(int, dcount)
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__field(int, icount)
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__field(dev_t, s_dev)
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__field(fl_owner_t, fl_owner)
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__field(unsigned int, fl_flags)
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__field(unsigned char, fl_type)
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),
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TP_fast_assign(
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__entry->s_dev = inode->i_sb->s_dev;
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__entry->i_ino = inode->i_ino;
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__entry->wcount = atomic_read(&inode->i_writecount);
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__entry->dcount = d_count(fl->fl_file->f_path.dentry);
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__entry->icount = atomic_read(&inode->i_count);
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__entry->fl_owner = fl ? fl->fl_owner : NULL;
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__entry->fl_flags = fl ? fl->fl_flags : 0;
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__entry->fl_type = fl ? fl->fl_type : 0;
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),
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TP_printk("dev=0x%x:0x%x ino=0x%lx wcount=%d dcount=%d icount=%d fl_owner=0x%p fl_flags=%s fl_type=%s",
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MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
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__entry->i_ino, __entry->wcount, __entry->dcount,
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__entry->icount, __entry->fl_owner,
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show_fl_flags(__entry->fl_flags),
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show_fl_type(__entry->fl_type))
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);
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#endif /* _TRACE_FILELOCK_H */
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/* This part must be outside protection */
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