Add the fs_context_operations method .free that performs fs
context cleanup on context release.
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
---
fs/xfs/xfs_super.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index e7627f7ca7f2..5bc2363269a9 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -2157,10 +2157,37 @@ static const struct super_operations xfs_super_operations = {
.free_cached_objects = xfs_fs_free_cached_objects,
};
+static void xfs_fc_free(struct fs_context *fc)
+{
+ struct xfs_fs_context *ctx = fc->fs_private;
+ struct xfs_mount *mp = fc->s_fs_info;
+
+ /*
+ * When the mount context is initialized the private
+ * struct xfs_mount info (mp) is allocated and stored in
+ * the fs context along with the struct xfs_fs_context
+ * (ctx) mount context working working storage.
+ *
+ * On success the mount info struct, mp, is moved into
+ * private info super block field ->s_fs_info of the
+ * newly allocated super block. But if an error occurs
+ * before this happens it's the responsibility of the fs
+ * context to release the mount info struct in addition
+ * to the mount context working storage.
+ */
+ if (mp) {
+ kfree(mp->m_logname);
+ kfree(mp->m_rtname);
+ kfree(mp);
+ }
+ kfree(ctx);
+}
+
static const struct fs_context_operations xfs_context_ops = {
.parse_param = xfs_parse_param,
.get_tree = xfs_get_tree,
.reconfigure = xfs_reconfigure,
+ .free = xfs_fc_free,
};
static struct file_system_type xfs_fs_type = {
