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authorDarrick J. Wong <djwong@kernel.org>2024-04-15 14:54:15 -0700
committerDarrick J. Wong <djwong@kernel.org>2024-04-15 14:54:15 -0700
commit1518646eef26c220e9256906260ecaaa64503522 (patch)
treeb7a29eac7e88ec237d90b85b086079bf059d426e /fs/xfs/xfs_mount.h
parent9a64d9b3109d01cca0b83c1d36538b7a37c5284e (diff)
xfs: create a incompat flag for atomic file mapping exchanges
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@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_mount.h')
-rw-r--r--fs/xfs/xfs_mount.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 6ec038b88454..b022e5120dc4 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -292,6 +292,7 @@ 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 */
/* Mount features */
#define XFS_FEAT_NOATTR2 (1ULL << 48) /* disable attr2 creation */
@@ -355,6 +356,7 @@ __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)
/*
* Mount features