diff options
| -rw-r--r-- | fs/sysfs/dir.c | 6 | ||||
| -rw-r--r-- | fs/sysfs/inode.c | 3 | ||||
| -rw-r--r-- | fs/sysfs/sysfs.h | 1 |
3 files changed, 10 insertions, 0 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index dd3779cf3a3..2a7a3f5d1ca 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -91,6 +91,9 @@ static int sysfs_link_sibling(struct sysfs_dirent *sd) struct rb_node **node = &sd->s_parent->s_dir.children.rb_node; struct rb_node *parent = NULL; + if (sysfs_type(sd) == SYSFS_DIR) + sd->s_parent->s_dir.subdirs++; + while (*node) { struct sysfs_dirent *pos; int result; @@ -123,6 +126,9 @@ static int sysfs_link_sibling(struct sysfs_dirent *sd) */ static void sysfs_unlink_sibling(struct sysfs_dirent *sd) { + if (sysfs_type(sd) == SYSFS_DIR) + sd->s_parent->s_dir.subdirs--; + rb_erase(&sd->s_rb, &sd->s_parent->s_dir.children); } diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index cc7ea5de2fd..feb2d69396c 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -217,6 +217,9 @@ static void sysfs_refresh_inode(struct sysfs_dirent *sd, struct inode *inode) iattrs->ia_secdata, iattrs->ia_secdata_len); } + + if (sysfs_type(sd) == SYSFS_DIR) + set_nlink(inode, sd->s_dir.subdirs + 2); } int sysfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index 6289a00287d..661a9639570 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -19,6 +19,7 @@ struct sysfs_open_dirent; struct sysfs_elem_dir { struct kobject *kobj; + unsigned long subdirs; /* children rbtree starts here and goes through sd->s_rb */ struct rb_root children; }; |