diff options
| -rw-r--r-- | fs/btrfs/ioctl.c | 13 | ||||
| -rw-r--r-- | fs/btrfs/zoned.c | 5 |
2 files changed, 18 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index a5dc7cc5d705..0b5e1df24906 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -193,6 +193,15 @@ static int check_fsflags(unsigned int old_flags, unsigned int flags) return 0; } +static int check_fsflags_compatible(struct btrfs_fs_info *fs_info, + unsigned int flags) +{ + if (btrfs_is_zoned(fs_info) && (flags & FS_NOCOW_FL)) + return -EPERM; + + return 0; +} + static int btrfs_ioctl_setflags(struct file *file, void __user *arg) { struct inode *inode = file_inode(file); @@ -230,6 +239,10 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) if (ret) goto out_unlock; + ret = check_fsflags_compatible(fs_info, fsflags); + if (ret) + goto out_unlock; + binode_flags = binode->flags; if (fsflags & FS_SYNC_FL) binode_flags |= BTRFS_INODE_SYNC; diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 3bc6a5e3a61c..6ef97996e185 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -274,5 +274,10 @@ int btrfs_check_mountopts_zoned(struct btrfs_fs_info *info) return -EINVAL; } + if (btrfs_test_opt(info, NODATACOW)) { + btrfs_err(info, "zoned: NODATACOW not supported"); + return -EINVAL; + } + return 0; } |