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-rw-r--r--fs/tracefs/event_inode.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
index 56d192f0ead8..590e8176449b 100644
--- a/fs/tracefs/event_inode.c
+++ b/fs/tracefs/event_inode.c
@@ -347,15 +347,8 @@ create_file_dentry(struct eventfs_inode *ei, int idx,
mutex_unlock(&eventfs_mutex);
- /* The lookup already has the parent->d_inode locked */
- if (!lookup)
- inode_lock(parent->d_inode);
-
dentry = create_file(name, mode, attr, parent, data, fops);
- if (!lookup)
- inode_unlock(parent->d_inode);
-
mutex_lock(&eventfs_mutex);
if (IS_ERR_OR_NULL(dentry)) {
@@ -453,15 +446,8 @@ create_dir_dentry(struct eventfs_inode *pei, struct eventfs_inode *ei,
}
mutex_unlock(&eventfs_mutex);
- /* The lookup already has the parent->d_inode locked */
- if (!lookup)
- inode_lock(parent->d_inode);
-
dentry = create_dir(ei, parent);
- if (!lookup)
- inode_unlock(parent->d_inode);
-
mutex_lock(&eventfs_mutex);
if (IS_ERR_OR_NULL(dentry) && !ei->is_freed) {
@@ -693,6 +679,7 @@ static int dcache_dir_open_wrapper(struct inode *inode, struct file *file)
return -ENOMEM;
}
+ inode_lock(parent->d_inode);
list_for_each_entry_srcu(ei_child, &ei->children, list,
srcu_read_lock_held(&eventfs_srcu)) {
d = create_dir_dentry(ei, ei_child, parent, false);
@@ -725,6 +712,7 @@ static int dcache_dir_open_wrapper(struct inode *inode, struct file *file)
cnt++;
}
}
+ inode_unlock(parent->d_inode);
srcu_read_unlock(&eventfs_srcu, idx);
ret = dcache_dir_open(inode, file);