#ifndef LUSTRE_PATCHLESS_COMPAT_H
#define LUSTRE_PATCHLESS_COMPAT_H
-#include <linux/lustre_version.h>
#include <linux/fs.h>
#ifndef HAVE_TRUNCATE_COMPLETE_PAGE
#ifndef HAVE_DELETE_FROM_PAGE_CACHE /* 2.6.39 */
#ifndef HAVE_REMOVE_FROM_PAGE_CACHE /* 2.6.35 - 2.6.38 */
-#ifdef HAVE_NR_PAGECACHE /* 2.6.18 */
-#define __dec_zone_page_state(page, flag) atomic_add(-1, &nr_pagecache);
-#endif /* HAVE_NR_PAGECACHE */
/* XXX copy & paste from 2.6.15 kernel */
static inline void ll_remove_from_page_cache(struct page *page)
#ifdef HAVE_RW_TREE_LOCK
write_lock_irq(&mapping->tree_lock);
#else
- cfs_spin_lock_irq(&mapping->tree_lock);
+ spin_lock_irq(&mapping->tree_lock);
#endif
radix_tree_delete(&mapping->page_tree, page->index);
page->mapping = NULL;
#ifdef HAVE_RW_TREE_LOCK
write_unlock_irq(&mapping->tree_lock);
#else
- cfs_spin_unlock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
#endif
}
#else /* HAVE_REMOVE_FROM_PAGE_CACHE */
}
#endif /* !HAVE_TRUNCATE_COMPLETE_PAGE */
-#if !defined(HAVE_D_REHASH_COND) && !defined(HAVE___D_REHASH)
-/* megahack */
-static inline void d_rehash_cond(struct dentry * entry, int lock)
-{
- if (!lock)
- spin_unlock(&dcache_lock);
-
- d_rehash(entry);
-
- if (!lock)
- spin_lock(&dcache_lock);
-}
-
-#define __d_rehash(dentry, lock) d_rehash_cond(dentry, lock)
-#endif /* !HAVE_D_REHASH_COND && !HAVE___D_REHASH*/
+#ifdef HAVE_DCACHE_LOCK
+# define dget_dlock(d) dget_locked(d)
+# define d_refcount(d) atomic_read(&(d)->d_count)
+#else
+# define d_refcount(d) ((d)->d_count)
+#endif /* HAVE_DCACHE_LOCK */
#ifdef ATTR_OPEN
# define ATTR_FROM_OPEN ATTR_OPEN