On Fri, Apr 01, 2016 at 04:14:26PM -0400, Jeff Mahoney wrote: > The compat/compat_ro/incompat feature flags are used by the feature set/get > ioctls. >
Reviewed-by: Liu Bo <[email protected]> Thanks, -liubo > Signed-off-by: Jeff Mahoney <[email protected]> > --- > fs/btrfs/ctree.h | 25 ------------------------- > include/uapi/linux/btrfs.h | 31 +++++++++++++++++++++++++++++++ > 2 files changed, 31 insertions(+), 25 deletions(-) > > diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h > index c228b39..378482c 100644 > --- a/fs/btrfs/ctree.h > +++ b/fs/btrfs/ctree.h > @@ -506,31 +506,6 @@ struct btrfs_super_block { > * Compat flags that we support. If any incompat flags are set other than > the > * ones specified below then we will fail to mount > */ > -#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0) > - > -#define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0) > -#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) > -#define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) > -#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) > -/* > - * some patches floated around with a second compression method > - * lets save that incompat here for when they do get in > - * Note we don't actually support it, we're just reserving the > - * number > - */ > -#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2 (1ULL << 4) > - > -/* > - * older kernels tried to do bigger metadata blocks, but the > - * code was pretty buggy. Lets not let them try anymore. > - */ > -#define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5) > - > -#define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) > -#define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) > -#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) > -#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) > - > #define BTRFS_FEATURE_COMPAT_SUPP 0ULL > #define BTRFS_FEATURE_COMPAT_SAFE_SET 0ULL > #define BTRFS_FEATURE_COMPAT_SAFE_CLEAR 0ULL > diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h > index 0316e23..de98717 100644 > --- a/include/uapi/linux/btrfs.h > +++ b/include/uapi/linux/btrfs.h > @@ -222,6 +222,37 @@ struct btrfs_ioctl_fs_info_args { > __u64 reserved[122]; /* pad to 1k */ > }; > > +/* > + * feature flags > + * > + * Used by: > + * struct btrfs_ioctl_feature_flags > + */ > +#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0) > + > +#define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0) > +#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) > +#define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) > +#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) > +/* > + * some patches floated around with a second compression method > + * lets save that incompat here for when they do get in > + * Note we don't actually support it, we're just reserving the > + * number > + */ > +#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2 (1ULL << 4) > + > +/* > + * older kernels tried to do bigger metadata blocks, but the > + * code was pretty buggy. Lets not let them try anymore. > + */ > +#define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5) > + > +#define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) > +#define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) > +#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) > +#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) > + > struct btrfs_ioctl_feature_flags { > __u64 compat_flags; > __u64 compat_ro_flags; > -- > 2.7.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
