On Tue, Dec 14, 2021 at 02:15:10PM +0530, Chandan Babu R wrote:
> XFS_SB_FEAT_INCOMPAT_NREXT64 incompat feature bit will be set on filesystems
> which support large per-inode extent counters. This commit defines the new
> incompat feature bit and the corresponding per-fs feature bit (along with
> inline functions to work on it).
>
> Signed-off-by: Chandan Babu R <chandan.babu@xxxxxxxxxx>
> ---
> fs/xfs/libxfs/xfs_format.h | 1 +
> fs/xfs/libxfs/xfs_sb.c | 3 +++
> fs/xfs/xfs_mount.h | 2 ++
> 3 files changed, 6 insertions(+)
>
> diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
> index e5654b578ec0..7972cbc22608 100644
> --- a/fs/xfs/libxfs/xfs_format.h
> +++ b/fs/xfs/libxfs/xfs_format.h
> @@ -372,6 +372,7 @@ xfs_sb_has_ro_compat_feature(
> #define XFS_SB_FEAT_INCOMPAT_META_UUID (1 << 2) /* metadata UUID */
> #define XFS_SB_FEAT_INCOMPAT_BIGTIME (1 << 3) /* large timestamps */
> #define XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR (1 << 4) /* needs xfs_repair */
> +#define XFS_SB_FEAT_INCOMPAT_NREXT64 (1 << 5) /* 64-bit data fork extent counter */
EXT6, I like it. :P
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
--D
> #define XFS_SB_FEAT_INCOMPAT_ALL \
> (XFS_SB_FEAT_INCOMPAT_FTYPE| \
> XFS_SB_FEAT_INCOMPAT_SPINODES| \
> diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
> index f4e84aa1d50a..bd632389ae92 100644
> --- a/fs/xfs/libxfs/xfs_sb.c
> +++ b/fs/xfs/libxfs/xfs_sb.c
> @@ -124,6 +124,9 @@ xfs_sb_version_to_features(
> features |= XFS_FEAT_BIGTIME;
> if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR)
> features |= XFS_FEAT_NEEDSREPAIR;
> + if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_NREXT64)
> + features |= XFS_FEAT_NREXT64;
> +
> return features;
> }
>
> diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
> index 00720a02e761..10941481f7e6 100644
> --- a/fs/xfs/xfs_mount.h
> +++ b/fs/xfs/xfs_mount.h
> @@ -276,6 +276,7 @@ typedef struct xfs_mount {
> #define XFS_FEAT_INOBTCNT (1ULL << 23) /* inobt block counts */
> #define XFS_FEAT_BIGTIME (1ULL << 24) /* large timestamps */
> #define XFS_FEAT_NEEDSREPAIR (1ULL << 25) /* needs xfs_repair */
> +#define XFS_FEAT_NREXT64 (1ULL << 26) /* 64-bit inode extent counters */
>
> /* Mount features */
> #define XFS_FEAT_NOATTR2 (1ULL << 48) /* disable attr2 creation */
> @@ -338,6 +339,7 @@ __XFS_HAS_FEAT(realtime, REALTIME)
> __XFS_HAS_FEAT(inobtcounts, INOBTCNT)
> __XFS_HAS_FEAT(bigtime, BIGTIME)
> __XFS_HAS_FEAT(needsrepair, NEEDSREPAIR)
> +__XFS_HAS_FEAT(nrext64, NREXT64)
>
> /*
> * Mount features
> --
> 2.30.2
>
