debugfs: add get/set for atomic types

debugfs currently lack the ability to create attributes
that set/get atomic_t values.

This patch adds support for this through a new
debugfs_create_atomic_t() function.

Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 21 deletions

diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index c5c7a762b850..d7d501ea856d 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -182,27 +182,6 @@ static struct dentry *debugfs_create_stacktrace_depth(
 
 #endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */
 
-static int debugfs_atomic_t_set(void *data, u64 val)
-{
-        atomic_set((atomic_t *)data, val);
-        return 0;
-}
-
-static int debugfs_atomic_t_get(void *data, u64 *val)
-{
-        *val = atomic_read((atomic_t *)data);
-        return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(fops_atomic_t, debugfs_atomic_t_get,
-                        debugfs_atomic_t_set, "%lld\n");
-
-static struct dentry *debugfs_create_atomic_t(const char *name, umode_t mode,
-                                struct dentry *parent, atomic_t *value)
-{
-        return debugfs_create_file(name, mode, parent, value, &fops_atomic_t);
-}
-
 struct dentry *fault_create_debugfs_attr(const char *name,
                         struct dentry *parent, struct fault_attr *attr)
 {