ovl: expand warning in ovl_d_real() (cef4cbff) · Commits · 戴 / test

fs/overlayfs/super.c

+8 −5

Original line number	Diff line number	Diff line
		@@ -79,7 +79,7 @@ static void ovl_dentry_release(struct dentry *dentry)
		static struct dentry ovl_d_real(struct dentry dentry,
		const struct inode *inode)
		{
		struct dentry *real;
		struct dentry real = NULL, lower;

		/* It's an overlay file */
		if (inode && d_inode(dentry) == inode)
		@@ -98,9 +98,10 @@ static struct dentry ovl_d_real(struct dentry dentry,
		if (real && !inode && ovl_has_upperdata(d_inode(dentry)))
		return real;

		real = ovl_dentry_lowerdata(dentry);
		if (!real)
		lower = ovl_dentry_lowerdata(dentry);
		if (!lower)
		goto bug;
		real = lower;

		/* Handle recursion */
		real = d_real(real, inode);
		@@ -108,8 +109,10 @@ static struct dentry ovl_d_real(struct dentry dentry,
		if (!inode \|\| inode == d_inode(real))
		return real;
		bug:
		WARN(1, "ovl_d_real(%pd4, %s:%lu): real dentry not found\n", dentry,
		inode ? inode->i_sb->s_id : "NULL", inode ? inode->i_ino : 0);
		WARN(1, "%s(%pd4, %s:%lu): real dentry (%p/%lu) not found\n",
		__func__, dentry, inode ? inode->i_sb->s_id : "NULL",
		inode ? inode->i_ino : 0, real,
		real && d_inode(real) ? d_inode(real)->i_ino : 0);
		return dentry;
		}