From: Darrick J. Wong <djwong@xxxxxxxxxx>
Source kernel commit: 1518646eef26c220e9256906260ecaaa64503522
Create a incompat flag so that we only attempt to process file mapping
exchange log items if the filesystem supports it, and a geometry flag to
advertise support if it's present.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
include/xfs_mount.h | 2 ++
libxfs/xfs_format.h | 23 ++++++++++++-----------
libxfs/xfs_fs.h | 1 +
libxfs/xfs_sb.c | 4 ++++
4 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/include/xfs_mount.h b/include/xfs_mount.h
index 9c492b8f5..a9525e4e0 100644
--- a/include/xfs_mount.h
+++ b/include/xfs_mount.h
@@ -169,6 +169,7 @@ typedef struct xfs_mount {
#define XFS_FEAT_BIGTIME (1ULL << 24) /* large timestamps */
#define XFS_FEAT_NEEDSREPAIR (1ULL << 25) /* needs xfs_repair */
#define XFS_FEAT_NREXT64 (1ULL << 26) /* large extent counters */
+#define XFS_FEAT_EXCHANGE_RANGE (1ULL << 27) /* exchange range */
#define __XFS_HAS_FEAT(name, NAME) \
static inline bool xfs_has_ ## name (struct xfs_mount *mp) \
@@ -213,6 +214,7 @@ __XFS_HAS_FEAT(inobtcounts, INOBTCNT)
__XFS_HAS_FEAT(bigtime, BIGTIME)
__XFS_HAS_FEAT(needsrepair, NEEDSREPAIR)
__XFS_HAS_FEAT(large_extent_counts, NREXT64)
+__XFS_HAS_FEAT(exchange_range, EXCHANGE_RANGE)
/* Kernel mount features that we don't support */
#define __XFS_UNSUPP_FEAT(name) \
diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index 2b2f9050f..ff1e28316 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -367,18 +367,19 @@ xfs_sb_has_ro_compat_feature(
return (sbp->sb_features_ro_compat & feature) != 0;
}
-#define XFS_SB_FEAT_INCOMPAT_FTYPE (1 << 0) /* filetype in dirent */
-#define XFS_SB_FEAT_INCOMPAT_SPINODES (1 << 1) /* sparse inode chunks */
-#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) /* large extent counters */
+#define XFS_SB_FEAT_INCOMPAT_FTYPE (1 << 0) /* filetype in dirent */
+#define XFS_SB_FEAT_INCOMPAT_SPINODES (1 << 1) /* sparse inode chunks */
+#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) /* large extent counters */
+#define XFS_SB_FEAT_INCOMPAT_EXCHRANGE (1 << 6) /* exchangerange supported */
#define XFS_SB_FEAT_INCOMPAT_ALL \
- (XFS_SB_FEAT_INCOMPAT_FTYPE| \
- XFS_SB_FEAT_INCOMPAT_SPINODES| \
- XFS_SB_FEAT_INCOMPAT_META_UUID| \
- XFS_SB_FEAT_INCOMPAT_BIGTIME| \
- XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR| \
+ (XFS_SB_FEAT_INCOMPAT_FTYPE | \
+ XFS_SB_FEAT_INCOMPAT_SPINODES | \
+ XFS_SB_FEAT_INCOMPAT_META_UUID | \
+ XFS_SB_FEAT_INCOMPAT_BIGTIME | \
+ XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR | \
XFS_SB_FEAT_INCOMPAT_NREXT64)
#define XFS_SB_FEAT_INCOMPAT_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_ALL
diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 8a1e30cf4..53526fca7 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -239,6 +239,7 @@ typedef struct xfs_fsop_resblks {
#define XFS_FSOP_GEOM_FLAGS_BIGTIME (1 << 21) /* 64-bit nsec timestamps */
#define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */
#define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */
+#define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */
/*
* Minimum and maximum sizes need for growth checks.
diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c
index 895d646bb..2db43b805 100644
--- a/libxfs/xfs_sb.c
+++ b/libxfs/xfs_sb.c
@@ -173,6 +173,8 @@ xfs_sb_version_to_features(
features |= XFS_FEAT_NEEDSREPAIR;
if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_NREXT64)
features |= XFS_FEAT_NREXT64;
+ if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_EXCHRANGE)
+ features |= XFS_FEAT_EXCHANGE_RANGE;
return features;
}
@@ -1257,6 +1259,8 @@ xfs_fs_geometry(
}
if (xfs_has_large_extent_counts(mp))
geo->flags |= XFS_FSOP_GEOM_FLAGS_NREXT64;
+ if (xfs_has_exchange_range(mp))
+ geo->flags |= XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE;
geo->rtsectsize = sbp->sb_blocksize;
geo->dirblocksize = xfs_dir2_dirblock_bytes(sbp);
