Merge tag 'md/4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
[sfrench/cifs-2.6.git] / fs / xfs / libxfs / xfs_ialloc_btree.c
index 7c471881c9a67482bd6bf88df59bd6f2e63a57a7..317caba9faa67d4c01d057c24015c0d8964cca60 100644 (file)
@@ -174,6 +174,18 @@ xfs_inobt_init_key_from_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)
+{
+       __u32                   x;
+
+       x = be32_to_cpu(rec->inobt.ir_startino);
+       x += XFS_INODES_PER_CHUNK - 1;
+       key->inobt.ir_startino = cpu_to_be32(x);
+}
+
 STATIC void
 xfs_inobt_init_rec_from_cur(
        struct xfs_btree_cur    *cur,
@@ -219,15 +231,25 @@ xfs_finobt_init_ptr_from_cur(
        ptr->s = agi->agi_free_root;
 }
 
-STATIC __int64_t
+STATIC int64_t
 xfs_inobt_key_diff(
        struct xfs_btree_cur    *cur,
        union xfs_btree_key     *key)
 {
-       return (__int64_t)be32_to_cpu(key->inobt.ir_startino) -
+       return (int64_t)be32_to_cpu(key->inobt.ir_startino) -
                          cur->bc_rec.i.ir_startino;
 }
 
+STATIC int64_t
+xfs_inobt_diff_two_keys(
+       struct xfs_btree_cur    *cur,
+       union xfs_btree_key     *k1,
+       union xfs_btree_key     *k2)
+{
+       return (int64_t)be32_to_cpu(k1->inobt.ir_startino) -
+                         be32_to_cpu(k2->inobt.ir_startino);
+}
+
 static int
 xfs_inobt_verify(
        struct xfs_buf          *bp)
@@ -302,7 +324,6 @@ const struct xfs_buf_ops xfs_inobt_buf_ops = {
        .verify_write = xfs_inobt_write_verify,
 };
 
-#if defined(DEBUG) || defined(XFS_WARN)
 STATIC int
 xfs_inobt_keys_inorder(
        struct xfs_btree_cur    *cur,
@@ -322,7 +343,6 @@ xfs_inobt_recs_inorder(
        return be32_to_cpu(r1->inobt.ir_startino) + XFS_INODES_PER_CHUNK <=
                be32_to_cpu(r2->inobt.ir_startino);
 }
-#endif /* DEBUG */
 
 static const struct xfs_btree_ops xfs_inobt_ops = {
        .rec_len                = sizeof(xfs_inobt_rec_t),
@@ -335,14 +355,14 @@ static const struct xfs_btree_ops xfs_inobt_ops = {
        .get_minrecs            = xfs_inobt_get_minrecs,
        .get_maxrecs            = xfs_inobt_get_maxrecs,
        .init_key_from_rec      = xfs_inobt_init_key_from_rec,
+       .init_high_key_from_rec = xfs_inobt_init_high_key_from_rec,
        .init_rec_from_cur      = xfs_inobt_init_rec_from_cur,
        .init_ptr_from_cur      = xfs_inobt_init_ptr_from_cur,
        .key_diff               = xfs_inobt_key_diff,
        .buf_ops                = &xfs_inobt_buf_ops,
-#if defined(DEBUG) || defined(XFS_WARN)
+       .diff_two_keys          = xfs_inobt_diff_two_keys,
        .keys_inorder           = xfs_inobt_keys_inorder,
        .recs_inorder           = xfs_inobt_recs_inorder,
-#endif
 };
 
 static const struct xfs_btree_ops xfs_finobt_ops = {
@@ -356,14 +376,14 @@ static const struct xfs_btree_ops xfs_finobt_ops = {
        .get_minrecs            = xfs_inobt_get_minrecs,
        .get_maxrecs            = xfs_inobt_get_maxrecs,
        .init_key_from_rec      = xfs_inobt_init_key_from_rec,
+       .init_high_key_from_rec = xfs_inobt_init_high_key_from_rec,
        .init_rec_from_cur      = xfs_inobt_init_rec_from_cur,
        .init_ptr_from_cur      = xfs_finobt_init_ptr_from_cur,
        .key_diff               = xfs_inobt_key_diff,
        .buf_ops                = &xfs_inobt_buf_ops,
-#if defined(DEBUG) || defined(XFS_WARN)
+       .diff_two_keys          = xfs_inobt_diff_two_keys,
        .keys_inorder           = xfs_inobt_keys_inorder,
        .recs_inorder           = xfs_inobt_recs_inorder,
-#endif
 };
 
 /*