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authorIngo Molnar <mingo@elte.hu>2010-02-08 08:55:43 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-08 08:55:46 +0100
commit6d3e0907b8b239d16720d144e2675ecf10d3bc3b (patch)
treee0b0743b5f6f82b057cafc4f3687396a6e01a0b4 /fs/sysfs/sysfs.h
parent23577256953c870de9b724c3a2611ce7be6a1e4e (diff)
parent50200df462023b187d80a99a52f5f2cfe3c86c26 (diff)
downloadop-kernel-dev-6d3e0907b8b239d16720d144e2675ecf10d3bc3b.zip
op-kernel-dev-6d3e0907b8b239d16720d144e2675ecf10d3bc3b.tar.gz
Merge branch 'sched/urgent' into sched/core
Merge reason: Merge dependent fix, update to latest -rc. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 ca52e7b..cdd9377 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.
*/
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