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-rw-r--r--fs/btrfs/dev-replace.c3
-rw-r--r--fs/btrfs/volumes.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 9efb94e95858..98df26181349 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -650,6 +650,9 @@ static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
u64 result;
int ret;
+ if (fs_info->sb->s_flags & MS_RDONLY)
+ return -EROFS;
+
mutex_lock(&dev_replace->lock_finishing_cancel_unmount);
btrfs_dev_replace_lock(dev_replace);
switch (dev_replace->replace_state) {
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9dfe038015f7..5d7ea267d8ff 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3424,6 +3424,9 @@ int btrfs_pause_balance(struct btrfs_fs_info *fs_info)
int btrfs_cancel_balance(struct btrfs_fs_info *fs_info)
{
+ if (fs_info->sb->s_flags & MS_RDONLY)
+ return -EROFS;
+
mutex_lock(&fs_info->balance_mutex);
if (!fs_info->balance_ctl) {
mutex_unlock(&fs_info->balance_mutex);