xfs: mark the record passed into btree init_key functions as const

These functions initialize a key from a record, but they aren't supposed
to modify the record.  Mark it const.

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

diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
index f2ee982..576b3ba 100644 (file)
--- a/fs/xfs/libxfs/xfs_alloc_btree.c
+++ b/fs/xfs/libxfs/xfs_alloc_btree.c
@@ -177,8 +177,8 @@ xfs_allocbt_get_maxrecs(
 
 STATIC void
 xfs_allocbt_init_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
        key->alloc.ar_startblock = rec->alloc.ar_startblock;
        key->alloc.ar_blockcount = rec->alloc.ar_blockcount;
@@ -186,10 +186,10 @@ xfs_allocbt_init_key_from_rec(
 
 STATIC void
 xfs_bnobt_init_high_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
-       __u32                   x;
+       __u32                           x;
 
        x = be32_to_cpu(rec->alloc.ar_startblock);
        x += be32_to_cpu(rec->alloc.ar_blockcount) - 1;
@@ -199,8 +199,8 @@ xfs_bnobt_init_high_key_from_rec(
 
 STATIC void
 xfs_cntbt_init_high_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
        key->alloc.ar_blockcount = rec->alloc.ar_blockcount;
        key->alloc.ar_startblock = 0;

diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index e6c8865..00a1104 100644 (file)
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -78,7 +78,7 @@ xfs_bmbt_disk_get_all(
  */
 xfs_filblks_t
 xfs_bmbt_disk_get_blockcount(
-       xfs_bmbt_rec_t  *r)
+       const struct xfs_bmbt_rec       *r)
 {
        return (xfs_filblks_t)(be64_to_cpu(r->l1) & xfs_mask64lo(21));
 }
@@ -88,7 +88,7 @@ xfs_bmbt_disk_get_blockcount(
  */
 xfs_fileoff_t
 xfs_bmbt_disk_get_startoff(
-       xfs_bmbt_rec_t  *r)
+       const struct xfs_bmbt_rec       *r)
 {
        return ((xfs_fileoff_t)be64_to_cpu(r->l0) &
                 xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
@@ -352,8 +352,8 @@ xfs_bmbt_get_dmaxrecs(
 
 STATIC void
 xfs_bmbt_init_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
        key->bmbt.br_startoff =
                cpu_to_be64(xfs_bmbt_disk_get_startoff(&rec->bmbt));
@@ -361,8 +361,8 @@ xfs_bmbt_init_key_from_rec(
 
 STATIC void
 xfs_bmbt_init_high_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
        key->bmbt.br_startoff = cpu_to_be64(
                        xfs_bmbt_disk_get_startoff(&rec->bmbt) +

diff --git a/fs/xfs/libxfs/xfs_bmap_btree.h b/fs/xfs/libxfs/xfs_bmap_btree.h
index 72bf74c..209ded1 100644 (file)
--- a/fs/xfs/libxfs/xfs_bmap_btree.h
+++ b/fs/xfs/libxfs/xfs_bmap_btree.h
@@ -88,8 +88,8 @@ extern void xfs_bmdr_to_bmbt(struct xfs_inode *, xfs_bmdr_block_t *, int,
                        struct xfs_btree_block *, 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(xfs_bmbt_rec_t *r);
-extern xfs_fileoff_t xfs_bmbt_disk_get_startoff(xfs_bmbt_rec_t *r);
+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);
 
 extern void xfs_bmbt_to_bmdr(struct xfs_mount *, struct xfs_btree_block *, int,

diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index e83836a..c4c701f 100644 (file)
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -130,13 +130,13 @@ struct xfs_btree_ops {
 
        /* init values of btree structures */
        void    (*init_key_from_rec)(union xfs_btree_key *key,
-                                    union xfs_btree_rec *rec);
+                                    const union xfs_btree_rec *rec);
        void    (*init_rec_from_cur)(struct xfs_btree_cur *cur,
                                     union xfs_btree_rec *rec);
        void    (*init_ptr_from_cur)(struct xfs_btree_cur *cur,
                                     union xfs_btree_ptr *ptr);
        void    (*init_high_key_from_rec)(union xfs_btree_key *key,
-                                         union xfs_btree_rec *rec);
+                                         const union xfs_btree_rec *rec);
 
        /* difference between key value and cursor value */
        int64_t (*key_diff)(struct xfs_btree_cur *cur,

diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index ecae206..a583928 100644 (file)
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -188,18 +188,18 @@ xfs_inobt_get_maxrecs(
 
 STATIC void
 xfs_inobt_init_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
        key->inobt.ir_startino = rec->inobt.ir_startino;
 }
 
 STATIC void
 xfs_inobt_init_high_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
-       __u32                   x;
+       __u32                           x;
 
        x = be32_to_cpu(rec->inobt.ir_startino);
        x += XFS_INODES_PER_CHUNK - 1;

diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c
index beb40f2..094afa2 100644 (file)
--- a/fs/xfs/libxfs/xfs_refcount_btree.c
+++ b/fs/xfs/libxfs/xfs_refcount_btree.c
@@ -135,18 +135,18 @@ xfs_refcountbt_get_maxrecs(
 
 STATIC void
 xfs_refcountbt_init_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
        key->refc.rc_startblock = rec->refc.rc_startblock;
 }
 
 STATIC void
 xfs_refcountbt_init_high_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
-       __u32                   x;
+       __u32                           x;
 
        x = be32_to_cpu(rec->refc.rc_startblock);
        x += be32_to_cpu(rec->refc.rc_blockcount) - 1;

diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c
index f6571c0..df57b40 100644 (file)
--- a/fs/xfs/libxfs/xfs_rmap_btree.c
+++ b/fs/xfs/libxfs/xfs_rmap_btree.c
@@ -156,8 +156,8 @@ xfs_rmapbt_get_maxrecs(
 
 STATIC void
 xfs_rmapbt_init_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
        key->rmap.rm_startblock = rec->rmap.rm_startblock;
        key->rmap.rm_owner = rec->rmap.rm_owner;
@@ -173,11 +173,11 @@ xfs_rmapbt_init_key_from_rec(
  */
 STATIC void
 xfs_rmapbt_init_high_key_from_rec(
-       union xfs_btree_key     *key,
-       union xfs_btree_rec     *rec)
+       union xfs_btree_key             *key,
+       const union xfs_btree_rec       *rec)
 {
-       uint64_t                off;
-       int                     adj;
+       uint64_t                        off;
+       int                             adj;
 
        adj = be32_to_cpu(rec->rmap.rm_blockcount) - 1;