diff options
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 0ba98e08a029..4d809899c076 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3115,6 +3115,12 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) goto out; } + /* Subpage defrag will be supported in later commits */ + if (root->fs_info->sectorsize < PAGE_SIZE) { + ret = -ENOTTY; + goto out; + } + switch (inode->i_mode & S_IFMT) { case S_IFDIR: if (!capable(CAP_SYS_ADMIN)) { |