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-rw-r--r--fs/namespace.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 59948cbf9c47..2cb3cb8307ca 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2373,6 +2373,7 @@ void dissolve_on_fput(struct vfsmount *mnt)
}
}
+/* locks: namespace_shared && pinned(mnt) || mount_locked_reader */
static bool __has_locked_children(struct mount *mnt, struct dentry *dentry)
{
struct mount *child;
@@ -2389,12 +2390,8 @@ static bool __has_locked_children(struct mount *mnt, struct dentry *dentry)
bool has_locked_children(struct mount *mnt, struct dentry *dentry)
{
- bool res;
-
- read_seqlock_excl(&mount_lock);
- res = __has_locked_children(mnt, dentry);
- read_sequnlock_excl(&mount_lock);
- return res;
+ guard(mount_locked_reader)();
+ return __has_locked_children(mnt, dentry);
}
/*