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Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index e8be478178aa..f2d2f4ccc738 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -22,6 +22,7 @@ #include <linux/blkdev.h> #include <linux/random.h> #include <linux/iocontext.h> +#include <linux/capability.h> #include <asm/div64.h> #include "compat.h" #include "ctree.h" @@ -2024,6 +2025,9 @@ int btrfs_balance(struct btrfs_root *dev_root) if (dev_root->fs_info->sb->s_flags & MS_RDONLY) return -EROFS; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + mutex_lock(&dev_root->fs_info->volume_mutex); dev_root = dev_root->fs_info->dev_root; |