diff mbox series

[V4,08/20] xfsprogs: Introduce XFS_SB_FEAT_INCOMPAT_NREXT64 and associated per-fs feature bit

Message ID 20211214084811.764481-9-chandan.babu@oracle.com (mailing list archive)
State Superseded, archived
Headers show
Series xfsprogs: Extend per-inode extent counters | expand

Commit Message

Chandan Babu R Dec. 14, 2021, 8:47 a.m. UTC 
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@oracle.com>
---
 libxfs/xfs_format.h | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index 68f42fca..23ecbc7d 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -469,6 +469,7 @@  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 */
 #define XFS_SB_FEAT_INCOMPAT_ALL \
 		(XFS_SB_FEAT_INCOMPAT_FTYPE|	\
 		 XFS_SB_FEAT_INCOMPAT_SPINODES|	\
@@ -575,6 +576,12 @@  static inline bool xfs_sb_version_hasbigtime(struct xfs_sb *sbp)
 		(sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_BIGTIME);
 }
 
+static inline bool xfs_sb_version_hasnrext64(struct xfs_sb *sbp)
+{
+	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
+		(sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_NREXT64);
+}
+
 /*
  * Inode btree block counter.  We record the number of inobt and finobt blocks
  * in the AGI header so that we can skip the finobt walk at mount time when