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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
| commit | 35858adbfca13678af99fb31618ef4428d6dedb0 (patch) | |
| tree | 3336feaa61324486945816cb52c347733e7c0821 /fs/sysfs/sysfs.h | |
| parent | Input: winbond-cir - fix suspend/resume (diff) | |
| parent | Input: atkbd - release previously reserved keycodes 248 - 254 (diff) | |
| download | wireguard-linux-35858adbfca13678af99fb31618ef4428d6dedb0.tar.xz wireguard-linux-35858adbfca13678af99fb31618ef4428d6dedb0.zip | |
Merge branch 'next' into for-linus
Diffstat (limited to 'fs/sysfs/sysfs.h')
| -rw-r--r-- | fs/sysfs/sysfs.h | 15 |
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. */ |