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authorTakashi Iwai <tiwai@suse.de>2010-01-19 15:53:43 +0100
committerTakashi Iwai <tiwai@suse.de>2010-01-19 15:53:43 +0100
commit9e4c84967ef027fe50a03cf48dd6da9519c8e60c (patch)
tree21d6b8168670f22521f3bb703e3b9d1932566c1c /fs/sysfs/sysfs.h
parentd2f2fcd2541bae004db7f4798ffd9d2cb75ae817 (diff)
parent3fb4a508b8e7957aa899f32cd6d9d462e102c7ca (diff)
Merge branch 'fix/hda' into topic/hda
Conflicts: sound/pci/hda/patch_realtek.c
Diffstat (limited to 'fs/sysfs/sysfs.h')
-rw-r--r--fs/sysfs/sysfs.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index ca52e7b9d8f8..cdd9377a6e06 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -8,6 +8,7 @@
* This file is released under the GPLv2.
*/
+#include <linux/lockdep.h>
#include <linux/fs.h>
struct sysfs_open_dirent;
@@ -50,6 +51,9 @@ struct sysfs_inode_attrs {
struct sysfs_dirent {
atomic_t s_count;
atomic_t s_active;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+ struct lockdep_map dep_map;
+#endif
struct sysfs_dirent *s_parent;
struct sysfs_dirent *s_sibling;
const char *s_name;
@@ -84,6 +88,17 @@ static inline unsigned int sysfs_type(struct sysfs_dirent *sd)
return sd->s_flags & SYSFS_TYPE_MASK;
}
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+#define sysfs_dirent_init_lockdep(sd) \
+do { \
+ static struct lock_class_key __key; \
+ \
+ lockdep_init_map(&sd->dep_map, "s_active", &__key, 0); \
+} while(0)
+#else
+#define sysfs_dirent_init_lockdep(sd) do {} while(0)
+#endif
+
/*
* Context structure to be used while adding/removing nodes.
*/