xfs: mark the record passed into xchk_btree functions as const

xchk_btree calls a user-supplied function to validate each btree record
that it finds.  Those functions are not supposed to change the record
data, so mark the parameter const.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

8 files changed, 10 insertions, 9 deletions

diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index cd8fefc9019f..961f0193b058 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -58,7 +58,7 @@ xfs_bmdr_to_bmbt(
 
 void
 xfs_bmbt_disk_get_all(
-	struct xfs_bmbt_rec	*rec,
+	const struct xfs_bmbt_rec *rec,
 	struct xfs_bmbt_irec	*irec)
 {
 	uint64_t		l0 = get_unaligned_be64(&rec->l0);
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.h b/fs/xfs/libxfs/xfs_bmap_btree.h
index 209ded1eefd1..eda855123ee2 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.h
+++ b/fs/xfs/libxfs/xfs_bmap_btree.h
@@ -90,7 +90,8 @@ extern void xfs_bmdr_to_bmbt(struct xfs_inode *, xfs_bmdr_block_t *, int,
 void xfs_bmbt_disk_set_all(struct xfs_bmbt_rec *r, struct xfs_bmbt_irec *s);
 extern xfs_filblks_t xfs_bmbt_disk_get_blockcount(const struct xfs_bmbt_rec *r);
 extern xfs_fileoff_t xfs_bmbt_disk_get_startoff(const struct xfs_bmbt_rec *r);
-extern void xfs_bmbt_disk_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);
+void xfs_bmbt_disk_get_all(const struct xfs_bmbt_rec *r,
+		struct xfs_bmbt_irec *s);
 
 extern void xfs_bmbt_to_bmdr(struct xfs_mount *, struct xfs_btree_block *, int,
 			xfs_bmdr_block_t *, int);
diff --git a/fs/xfs/scrub/alloc.c b/fs/xfs/scrub/alloc.c
index d5741980094a..87518e1292f8 100644
--- a/fs/xfs/scrub/alloc.c
+++ b/fs/xfs/scrub/alloc.c
@@ -91,7 +91,7 @@ xchk_allocbt_xref(
 STATIC int
 xchk_allocbt_rec(
 	struct xchk_btree	*bs,
-	union xfs_btree_rec	*rec)
+	const union xfs_btree_rec *rec)
 {
 	struct xfs_mount	*mp = bs->cur->bc_mp;
 	xfs_agnumber_t		agno = bs->cur->bc_ag.pag->pag_agno;
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index ea701f5ca32b..7f7ac8ca1610 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -383,7 +383,7 @@ xchk_bmap_iextent(
 STATIC int
 xchk_bmapbt_rec(
 	struct xchk_btree	*bs,
-	union xfs_btree_rec	*rec)
+	const union xfs_btree_rec *rec)
 {
 	struct xfs_bmbt_irec	irec;
 	struct xfs_bmbt_irec	iext_irec;
diff --git a/fs/xfs/scrub/btree.h b/fs/xfs/scrub/btree.h
index 5572e475f8ed..b7d2fc01fbf9 100644
--- a/fs/xfs/scrub/btree.h
+++ b/fs/xfs/scrub/btree.h
@@ -26,8 +26,8 @@ void xchk_btree_xref_set_corrupt(struct xfs_scrub *sc,
 
 struct xchk_btree;
 typedef int (*xchk_btree_rec_fn)(
-	struct xchk_btree	*bs,
-	union xfs_btree_rec	*rec);
+	struct xchk_btree		*bs,
+	const union xfs_btree_rec	*rec);
 
 struct xchk_btree {
 	/* caller-provided scrub state */
diff --git a/fs/xfs/scrub/ialloc.c b/fs/xfs/scrub/ialloc.c
index 30e568596b79..db42eb0a32f2 100644
--- a/fs/xfs/scrub/ialloc.c
+++ b/fs/xfs/scrub/ialloc.c
@@ -418,7 +418,7 @@ xchk_iallocbt_rec_alignment(
 STATIC int
 xchk_iallocbt_rec(
 	struct xchk_btree		*bs,
-	union xfs_btree_rec		*rec)
+	const union xfs_btree_rec	*rec)
 {
 	struct xfs_mount		*mp = bs->cur->bc_mp;
 	struct xchk_iallocbt		*iabt = bs->private;
diff --git a/fs/xfs/scrub/refcount.c b/fs/xfs/scrub/refcount.c
index c547e5ca3207..2744eecdbaf0 100644
--- a/fs/xfs/scrub/refcount.c
+++ b/fs/xfs/scrub/refcount.c
@@ -330,7 +330,7 @@ xchk_refcountbt_xref(
 STATIC int
 xchk_refcountbt_rec(
 	struct xchk_btree	*bs,
-	union xfs_btree_rec	*rec)
+	const union xfs_btree_rec *rec)
 {
 	struct xfs_mount	*mp = bs->cur->bc_mp;
 	xfs_agblock_t		*cow_blocks = bs->private;
diff --git a/fs/xfs/scrub/rmap.c b/fs/xfs/scrub/rmap.c
index fc306573f0ac..8dae0345c7df 100644
--- a/fs/xfs/scrub/rmap.c
+++ b/fs/xfs/scrub/rmap.c
@@ -88,7 +88,7 @@ xchk_rmapbt_xref(
 STATIC int
 xchk_rmapbt_rec(
 	struct xchk_btree	*bs,
-	union xfs_btree_rec	*rec)
+	const union xfs_btree_rec *rec)
 {
 	struct xfs_mount	*mp = bs->cur->bc_mp;
 	struct xfs_rmap_irec	irec;