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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2009-08-22 13:56:50 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-23 10:32:39 +0200 |
| commit | 22f00b69f6a7e1e18e821979a23e8307c2de9888 (patch) | |
| tree | 692adbe758da2d52aac9d564b6fd55363aa2fbf6 /kernel/rcutree_trace.c | |
| parent | 65cf8f866fc0fb40fa9daaded7e938a886d6f7c5 (diff) | |
| download | lwn-22f00b69f6a7e1e18e821979a23e8307c2de9888.tar.gz lwn-22f00b69f6a7e1e18e821979a23e8307c2de9888.zip | |
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>
Diffstat (limited to 'kernel/rcutree_trace.c')
| -rw-r--r-- | 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 ea4a47470371..31af3a0fb6d5 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); } |