rcu: Use debugfs_remove_recursive() simplify code.
Suggested by Josh Triplett. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: akpm@linux-foundation.org Cc: mathieu.desnoyers@polymtl.ca Cc: josht@linux.vnet.ibm.com Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> LKML-Reference: <12509746132173-git-send-email-> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -265,62 +265,47 @@ static struct file_operations rcu_pending_fops = {
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};
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static struct dentry *rcudir;
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static struct dentry *datadir;
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static struct dentry *datadir_csv;
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static struct dentry *gpdir;
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static struct dentry *hierdir;
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static struct dentry *rcu_pendingdir;
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static int __init rcuclassic_trace_init(void)
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{
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struct dentry *retval;
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rcudir = debugfs_create_dir("rcu", NULL);
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if (!rcudir)
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goto out;
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goto free_out;
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datadir = debugfs_create_file("rcudata", 0444, rcudir,
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retval = debugfs_create_file("rcudata", 0444, rcudir,
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NULL, &rcudata_fops);
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if (!datadir)
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if (!retval)
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goto free_out;
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datadir_csv = debugfs_create_file("rcudata.csv", 0444, rcudir,
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retval = debugfs_create_file("rcudata.csv", 0444, rcudir,
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NULL, &rcudata_csv_fops);
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if (!datadir_csv)
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if (!retval)
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goto free_out;
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gpdir = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
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if (!gpdir)
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retval = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
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if (!retval)
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goto free_out;
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hierdir = debugfs_create_file("rcuhier", 0444, rcudir,
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retval = debugfs_create_file("rcuhier", 0444, rcudir,
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NULL, &rcuhier_fops);
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if (!hierdir)
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if (!retval)
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goto free_out;
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rcu_pendingdir = debugfs_create_file("rcu_pending", 0444, rcudir,
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retval = debugfs_create_file("rcu_pending", 0444, rcudir,
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NULL, &rcu_pending_fops);
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if (!rcu_pendingdir)
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if (!retval)
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goto free_out;
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return 0;
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free_out:
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if (datadir)
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debugfs_remove(datadir);
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if (datadir_csv)
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debugfs_remove(datadir_csv);
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if (gpdir)
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debugfs_remove(gpdir);
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debugfs_remove(rcudir);
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out:
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debugfs_remove_recursive(rcudir);
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return 1;
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}
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static void __exit rcuclassic_trace_cleanup(void)
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{
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debugfs_remove(datadir);
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debugfs_remove(datadir_csv);
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debugfs_remove(gpdir);
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debugfs_remove(hierdir);
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debugfs_remove(rcu_pendingdir);
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debugfs_remove(rcudir);
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debugfs_remove_recursive(rcudir);
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}
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