+#endif /* HAVE_REGISTER_SHRINKER */
+
+#ifdef HAVE_INVALIDATE_INODE_PAGES
+#define invalidate_mapping_pages(mapping,s,e) invalidate_inode_pages(mapping)
+#endif
+
+#ifdef HAVE_INODE_IPRIVATE
+#define INODE_PRIVATE_DATA(inode) ((inode)->i_private)
+#else
+#define INODE_PRIVATE_DATA(inode) ((inode)->u.generic_ip)
+#endif
+
+#ifndef SLAB_DESTROY_BY_RCU
+#define CFS_SLAB_DESTROY_BY_RCU 0
+#else
+#define CFS_SLAB_DESTROY_BY_RCU SLAB_DESTROY_BY_RCU
+#endif
+
+#ifdef HAVE_SB_HAS_QUOTA_ACTIVE
+#define ll_sb_has_quota_active(sb, type) sb_has_quota_active(sb, type)
+#else
+#define ll_sb_has_quota_active(sb, type) sb_has_quota_enabled(sb, type)
+#endif
+
+#ifdef HAVE_SB_ANY_QUOTA_ACTIVE
+#define ll_sb_any_quota_active(sb) sb_any_quota_active(sb)
+#else
+#define ll_sb_any_quota_active(sb) sb_any_quota_enabled(sb)
+#endif
+
+static inline int
+ll_quota_on(struct super_block *sb, int off, int ver, char *name, int remount)
+{
+ if (sb->s_qcop->quota_on) {
+ return sb->s_qcop->quota_on(sb, off, ver, name
+#ifdef HAVE_QUOTA_ON_5ARGS
+ , remount
+#endif
+ );
+ }
+ else
+ return -ENOSYS;
+}
+
+static inline int ll_quota_off(struct super_block *sb, int off, int remount)
+{
+ if (sb->s_qcop->quota_off) {
+ return sb->s_qcop->quota_off(sb, off
+#ifdef HAVE_QUOTA_OFF_3ARGS
+ , remount
+#endif
+ );
+ }
+ else
+ return -ENOSYS;
+}
+
+#ifndef HAVE_BLK_QUEUE_LOG_BLK_SIZE /* added in 2.6.31 */
+#define blk_queue_logical_block_size(q, sz) blk_queue_hardsect_size(q, sz)
+#endif
+
+#ifndef HAVE_VFS_DQ_OFF
+# define ll_vfs_dq_init DQUOT_INIT
+# define ll_vfs_dq_drop DQUOT_DROP
+# define ll_vfs_dq_transfer DQUOT_TRANSFER
+# define ll_vfs_dq_off(sb, remount) DQUOT_OFF(sb)
+#else
+# define ll_vfs_dq_init vfs_dq_init
+# define ll_vfs_dq_drop vfs_dq_drop
+# define ll_vfs_dq_transfer vfs_dq_transfer
+# define ll_vfs_dq_off(sb, remount) vfs_dq_off(sb, remount)
+#endif
+
+#ifdef HAVE_BDI_INIT
+#define ll_bdi_init(bdi) bdi_init(bdi)
+#define ll_bdi_destroy(bdi) bdi_destroy(bdi)
+#else
+#define ll_bdi_init(bdi) 0
+#define ll_bdi_destroy(bdi) do { } while(0)
+#endif
+
+#ifdef HAVE_NEW_BACKING_DEV_INFO
+# define ll_bdi_wb_cnt(bdi) ((bdi).wb_cnt)
+#else
+# define ll_bdi_wb_cnt(bdi) 1
+#endif
+
+#ifdef HAVE_BLK_QUEUE_MAX_SECTORS /* removed in rhel6 */
+#define blk_queue_max_hw_sectors(q, sect) blk_queue_max_sectors(q, sect)
+#endif
+
+#ifndef HAVE_REQUEST_QUEUE_LIMITS
+#define queue_max_sectors(rq) ((rq)->max_sectors)
+#define queue_max_hw_sectors(rq) ((rq)->max_hw_sectors)
+#define queue_max_phys_segments(rq) ((rq)->max_phys_segments)
+#define queue_max_hw_segments(rq) ((rq)->max_hw_segments)