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From:   Lukas Czerner <lczerner@redhat.com>
To:     linux-ext4@vger.kernel.org
Cc:     Theodore Ts'o <tytso@mit.edu>, David Howells <dhowells@redhat.com>,
        Al Viro <viro@zeniv.linux.org.uk>
Subject: [PATCH 14/17] ext4: add ext4_fc_free for the new mount API
Date:   Wed,  6 Nov 2019 11:14:54 +0100
Message-Id: <20191106101457.11237-15-lczerner@redhat.com>
In-Reply-To: <20191106101457.11237-1-lczerner@redhat.com>
References: <20191106101457.11237-1-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 471fe7b6ad9e..815f86f1e047 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -95,6 +95,7 @@ static void ext4_apply_options(struct fs_context *fc, str=
uct super_block *sb);
 static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *pa=
ram);
 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_context_=
ops =3D {
 =09.parse_param=09=3D ext4_parse_param,
 =09.get_tree=09=3D ext4_get_tree,
 =09.reconfigure=09=3D ext4_reconfigure,
+=09.free=09=09=3D ext4_fc_free,
 };
=20
 #if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined=
(CONFIG_EXT4_USE_FOR_EXT2)
@@ -1872,6 +1874,19 @@ struct ext4_fs_context {
 =09ext4_fsblk_t=09s_sb_block;
 };
=20
+static void ext4_fc_free(struct fs_context *fc)
+{
+=09struct ext4_fs_context *ctx =3D fc->fs_private;
+=09int i;
+
+=09if (!ctx)
+=09=09return;
+
+=09for (i =3D 0; i < EXT4_MAXQUOTAS; i++)
+=09=09kfree(ctx->s_qf_names[i]);
+=09kfree(ctx);
+}
+
 #ifdef CONFIG_QUOTA
 /*
  * Note the name of the specified quota file.
--=20
2.21.0