From: Kent Overstreet <kent.overstreet@gmail.com>
Date: Thu, 21 Oct 2021 00:50:07 +0000 (-0400)
Subject: bcachefs: Delete dentry when deleting snapshots
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=521b80676927df6b4ad4fc87b7756aad43b96d12;p=linux.git

bcachefs: Delete dentry when deleting snapshots

This fixes a bug where subsequently doing creates with the same name
fails.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
---

diff --git a/fs/bcachefs/fs-ioctl.c b/fs/bcachefs/fs-ioctl.c
index ae402d350d4c8..a12b591ec9caa 100644
--- a/fs/bcachefs/fs-ioctl.c
+++ b/fs/bcachefs/fs-ioctl.c
@@ -422,6 +422,7 @@ static long bch2_ioctl_subvolume_destroy(struct bch_fs *c, struct file *filp,
 				struct bch_ioctl_subvolume arg)
 {
 	struct path path;
+	struct inode *dir;
 	int ret = 0;
 
 	if (arg.flags)
@@ -438,7 +439,13 @@ static long bch2_ioctl_subvolume_destroy(struct bch_fs *c, struct file *filp,
 		return -EXDEV;
 	}
 
-	ret = __bch2_unlink(path.dentry->d_parent->d_inode, path.dentry, 1);
+	dir = path.dentry->d_parent->d_inode;
+
+	ret = __bch2_unlink(dir, path.dentry, 1);
+	if (!ret) {
+		fsnotify_rmdir(dir, path.dentry);
+		d_delete(path.dentry);
+	}
 	path_put(&path);
 
 	return ret;