diff options
| -rw-r--r-- | fs/configfs/dir.c | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index d390245965b1..43decd26851c 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1054,6 +1054,31 @@ out: return ret; } +static int configfs_do_depend_item(struct dentry *subsys_dentry, + struct config_item *target) +{ + struct configfs_dirent *p; + int ret; + + spin_lock(&configfs_dirent_lock); + /* Scan the tree, return 0 if found */ + ret = configfs_depend_prep(subsys_dentry, target); + if (ret) + goto out_unlock_dirent_lock; + + /* + * We are sure that the item is not about to be removed by rmdir(), and + * not in the middle of attachment by mkdir(). + */ + p = target->ci_dentry->d_fsdata; + p->s_dependent_count += 1; + +out_unlock_dirent_lock: + spin_unlock(&configfs_dirent_lock); + + return ret; +} + int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target) { @@ -1094,22 +1119,8 @@ int configfs_depend_item(struct configfs_subsystem *subsys, } /* Ok, now we can trust subsys/s_item */ + ret = configfs_do_depend_item(subsys_sd->s_dentry, target); - spin_lock(&configfs_dirent_lock); - /* Scan the tree, return 0 if found */ - ret = configfs_depend_prep(subsys_sd->s_dentry, target); - if (ret) - goto out_unlock_dirent_lock; - - /* - * We are sure that the item is not about to be removed by rmdir(), and - * not in the middle of attachment by mkdir(). - */ - p = target->ci_dentry->d_fsdata; - p->s_dependent_count += 1; - -out_unlock_dirent_lock: - spin_unlock(&configfs_dirent_lock); out_unlock_fs: mutex_unlock(&d_inode(root)->i_mutex); |