[PATCH v3 5/5] ovl: support freeze/thaw super
From: Amir Goldstein <amir73il@gmail.com>
Date: 2017-01-31 08:35:28
Also in:
linux-fsdevel
Subsystem:
filesystems (vfs and infrastructure), overlay filesystem, the rest · Maintainers:
Alexander Viro, Christian Brauner, Miklos Szeredi, Amir Goldstein, Linus Torvalds
Signed-off-by: Amir Goldstein <amir73il@gmail.com> --- fs/overlayfs/super.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 346f668..cb85eeb 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c@@ -179,6 +179,16 @@ static int ovl_sync_fs(struct super_block *sb, int wait) return ret; } +static int ovl_freeze(struct super_block *sb) +{ + return 0; +} + +static int ovl_unfreeze(struct super_block *sb) +{ + return 0; +} + /** * ovl_statfs * @sb: The overlayfs super block
@@ -242,6 +252,8 @@ static int ovl_remount(struct super_block *sb, int *flags, char *data) static const struct super_operations ovl_super_operations = { .put_super = ovl_put_super, .sync_fs = ovl_sync_fs, + .freeze_fs = ovl_freeze, + .unfreeze_fs = ovl_unfreeze, .statfs = ovl_statfs, .show_options = ovl_show_options, .remount_fs = ovl_remount,
--
2.7.4