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From:   Lukas Czerner <lczerner@redhat.com>
To:     linux-ext4@vger.kernel.org
Cc:     dhowells@redhat.com, viro@zeniv.linux.org.uk
Subject: [PATCH v2 14/17] ext4: add ext4_fc_free for the new mount API
Date:   Tue, 28 Apr 2020 18:45:33 +0200
Message-Id: <20200428164536.462-15-lczerner@redhat.com>
In-Reply-To: <20200428164536.462-1-lczerner@redhat.com>
References: <20200428164536.462-1-lczerner@redhat.com>
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Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
 fs/ext4/super.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9e10c42c300c..df7d1a724f1b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -95,6 +95,7 @@ static void ext4_apply_options(struct fs_context *fc, s=
truct super_block *sb);
 static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *=
param);
 static int ext4_get_tree(struct fs_context *fc);
 static int ext4_reconfigure(struct fs_context *fc);
+static void ext4_fc_free(struct fs_context *fc);
=20
 /*
  * Lock ordering
@@ -128,6 +129,7 @@ static const struct fs_context_operations ext4_contex=
t_ops =3D {
 	.parse_param	=3D ext4_parse_param,
 	.get_tree	=3D ext4_get_tree,
 	.reconfigure	=3D ext4_reconfigure,
+	.free		=3D ext4_fc_free,
 };
=20
 #if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defin=
ed(CONFIG_EXT4_USE_FOR_EXT2)
@@ -1958,6 +1960,19 @@ struct ext4_fs_context {
 	ext4_fsblk_t	s_sb_block;
 };
=20
+static void ext4_fc_free(struct fs_context *fc)
+{
+	struct ext4_fs_context *ctx =3D fc->fs_private;
+	int i;
+
+	if (!ctx)
+		return;
+
+	for (i =3D 0; i < EXT4_MAXQUOTAS; i++)
+		kfree(ctx->s_qf_names[i]);
+	kfree(ctx);
+}
+
 #ifdef CONFIG_QUOTA
 /*
  * Note the name of the specified quota file.
--=20
2.21.1