From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Sun, 11 Sep 2016 04:34:46 -0300
Subject: Linux-libre 4.7.1-gnu

---
 fs/aufs/dir.c | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

(limited to 'fs/aufs/dir.c')

diff --git a/fs/aufs/dir.c b/fs/aufs/dir.c
index 716158c3c..395563e4b 100644
--- a/fs/aufs/dir.c
+++ b/fs/aufs/dir.c
@@ -143,7 +143,7 @@ out_unlock:
 out:
 	dput(a->dentry);
 	au_nwt_done(&au_sbi(sb)->si_nowait);
-	kfree(arg);
+	au_delayed_kfree(arg);
 }
 
 void au_dir_ts(struct inode *dir, aufs_bindex_t bindex)
@@ -179,7 +179,7 @@ void au_dir_ts(struct inode *dir, aufs_bindex_t bindex)
 	if (unlikely(wkq_err)) {
 		pr_err("wkq %d\n", wkq_err);
 		dput(dentry);
-		kfree(arg);
+		au_delayed_kfree(arg);
 	}
 
 out:
@@ -298,7 +298,7 @@ static int aufs_open_dir(struct inode *inode __maybe_unused,
 		};
 		err = au_do_open(file, &args);
 		if (unlikely(err))
-			kfree(fidir);
+			au_delayed_kfree(fidir);
 	}
 	si_read_unlock(sb);
 	return err;
@@ -310,8 +310,11 @@ static int aufs_release_dir(struct inode *inode __maybe_unused,
 	struct au_vdir *vdir_cache;
 	struct au_finfo *finfo;
 	struct au_fidir *fidir;
+	struct au_hfile *hf;
 	aufs_bindex_t bindex, bbot;
+	int execed, delayed;
 
+	delayed = (current->flags & PF_KTHREAD) || in_interrupt();
 	finfo = au_fi(file);
 	fidir = finfo->fi_hdir;
 	if (fidir) {
@@ -319,22 +322,25 @@ static int aufs_release_dir(struct inode *inode __maybe_unused,
 			    &au_sbi(file->f_path.dentry->d_sb)->si_files);
 		vdir_cache = fidir->fd_vdir_cache; /* lock-free */
 		if (vdir_cache)
-			au_vdir_free(vdir_cache);
+			au_vdir_free(vdir_cache, delayed);
 
 		bindex = finfo->fi_btop;
 		if (bindex >= 0) {
+			execed = vfsub_file_execed(file);
+			hf = fidir->fd_hfile + bindex;
 			/*
 			 * calls fput() instead of filp_close(),
 			 * since no dnotify or lock for the lower file.
 			 */
 			bbot = fidir->fd_bbot;
-			for (; bindex <= bbot; bindex++)
-				au_set_h_fptr(file, bindex, NULL);
+			for (; bindex <= bbot; bindex++, hf++)
+				if (hf->hf_file)
+					au_hfput(hf, execed);
 		}
-		kfree(fidir);
+		au_delayed_kfree(fidir);
 		finfo->fi_hdir = NULL;
 	}
-	au_finfo_fin(file);
+	au_finfo_fin(file, delayed);
 	return 0;
 }
 
@@ -453,7 +459,7 @@ static int aufs_fsync_dir(struct file *file, loff_t start, loff_t end,
 
 /* ---------------------------------------------------------------------- */
 
-static int aufs_iterate(struct file *file, struct dir_context *ctx)
+static int aufs_iterate_shared(struct file *file, struct dir_context *ctx)
 {
 	int err;
 	struct dentry *dentry;
@@ -731,7 +737,7 @@ const struct file_operations aufs_dir_fop = {
 	.owner		= THIS_MODULE,
 	.llseek		= default_llseek,
 	.read		= generic_read_dir,
-	.iterate	= aufs_iterate,
+	.iterate_shared	= aufs_iterate_shared,
 	.unlocked_ioctl	= aufs_ioctl_dir,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= aufs_compat_ioctl_dir,
-- 
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