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Date: Sun, 23 Aug 2009 09:02:44 GMT
From: "tip-bot for Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
hpa@...or.com, mingo@...hat.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:core/rcu] rcu: Use debugfs_remove_recursive() simplify code.
Commit-ID: 22f00b69f6a7e1e18e821979a23e8307c2de9888
Gitweb: http://git.kernel.org/tip/22f00b69f6a7e1e18e821979a23e8307c2de9888
Author: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
AuthorDate: Sat, 22 Aug 2009 13:56:50 -0700
Committer: Ingo Molnar <mingo@...e.hu>
CommitDate: Sun, 23 Aug 2009 10:32:39 +0200
rcu: Use debugfs_remove_recursive() simplify code.
Suggested by Josh Triplett.
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: laijs@...fujitsu.com
Cc: dipankar@...ibm.com
Cc: akpm@...ux-foundation.org
Cc: mathieu.desnoyers@...ymtl.ca
Cc: josht@...ux.vnet.ibm.com
Cc: dvhltc@...ibm.com
Cc: niv@...ibm.com
Cc: peterz@...radead.org
Cc: rostedt@...dmis.org
Cc: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
LKML-Reference: <12509746132173-git-send-email->
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
kernel/rcutree_trace.c | 45 +++++++++++++++------------------------------
1 files changed, 15 insertions(+), 30 deletions(-)
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index ea4a474..31af3a0 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -265,62 +265,47 @@ static struct file_operations rcu_pending_fops = {
};
static struct dentry *rcudir;
-static struct dentry *datadir;
-static struct dentry *datadir_csv;
-static struct dentry *gpdir;
-static struct dentry *hierdir;
-static struct dentry *rcu_pendingdir;
static int __init rcuclassic_trace_init(void)
{
+ struct dentry *retval;
+
rcudir = debugfs_create_dir("rcu", NULL);
if (!rcudir)
- goto out;
+ goto free_out;
- datadir = debugfs_create_file("rcudata", 0444, rcudir,
+ retval = debugfs_create_file("rcudata", 0444, rcudir,
NULL, &rcudata_fops);
- if (!datadir)
+ if (!retval)
goto free_out;
- datadir_csv = debugfs_create_file("rcudata.csv", 0444, rcudir,
+ retval = debugfs_create_file("rcudata.csv", 0444, rcudir,
NULL, &rcudata_csv_fops);
- if (!datadir_csv)
+ if (!retval)
goto free_out;
- gpdir = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
- if (!gpdir)
+ retval = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
+ if (!retval)
goto free_out;
- hierdir = debugfs_create_file("rcuhier", 0444, rcudir,
+ retval = debugfs_create_file("rcuhier", 0444, rcudir,
NULL, &rcuhier_fops);
- if (!hierdir)
+ if (!retval)
goto free_out;
- rcu_pendingdir = debugfs_create_file("rcu_pending", 0444, rcudir,
+ retval = debugfs_create_file("rcu_pending", 0444, rcudir,
NULL, &rcu_pending_fops);
- if (!rcu_pendingdir)
+ if (!retval)
goto free_out;
return 0;
free_out:
- if (datadir)
- debugfs_remove(datadir);
- if (datadir_csv)
- debugfs_remove(datadir_csv);
- if (gpdir)
- debugfs_remove(gpdir);
- debugfs_remove(rcudir);
-out:
+ debugfs_remove_recursive(rcudir);
return 1;
}
static void __exit rcuclassic_trace_cleanup(void)
{
- debugfs_remove(datadir);
- debugfs_remove(datadir_csv);
- debugfs_remove(gpdir);
- debugfs_remove(hierdir);
- debugfs_remove(rcu_pendingdir);
- debugfs_remove(rcudir);
+ debugfs_remove_recursive(rcudir);
}
--
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