* Use is subject to license terms.
*/
/*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
#include <linux/lustre_patchless_compat.h>
+/* Some old kernels (like 2.6.9) may not define such SEEK_XXX. So the
+ * definition allows to compile lustre client on more OS platforms. */
+#ifndef SEEK_SET
+ #define SEEK_SET 0
+ #define SEEK_CUR 1
+ #define SEEK_END 2
+#endif
+
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14)
struct ll_iattr {
struct iattr iattr;
(inode)->i_mapping->a_ops->writepage(page, NULL)
#define ll_invalidate_inode_pages(inode) \
invalidate_inode_pages((inode)->i_mapping)
-#define ll_truncate_complete_page(page) \
- truncate_complete_page(page->mapping, page)
#define ll_vfs_create(a,b,c,d) vfs_create(a,b,c,d)
#define ll_dev_t dev_t
extern void __d_rehash(struct dentry *dentry, int lock);
#endif
-#if !defined(HAVE_D_MOVE_LOCKED) && defined(HAVE___D_MOVE)
-#define d_move_locked(dentry, target) __d_move(dentry, target)
-extern void __d_move(struct dentry *dentry, struct dentry *target);
-#endif
-
#ifdef HAVE_CAN_SLEEP_ARG
#define ll_flock_lock_file_wait(file, lock, can_sleep) \
flock_lock_file_wait(file, lock, can_sleep)
{
struct dentry *anon = d_alloc_anon(inode);
- if (anon == NULL)
+ if (anon == NULL) {
iput(inode);
+ anon = ERR_PTR(-ENOMEM);
+ }
return anon;
}
#define cpu_to_node(cpu) 0
#endif
-#ifdef HAVE_REGISTER_SHRINKER
-typedef int (*cfs_shrinker_t)(int nr_to_scan, gfp_t gfp_mask);
-
-static inline
-struct shrinker *cfs_set_shrinker(int seek, cfs_shrinker_t func)
-{
- struct shrinker *s;
-
- s = kmalloc(sizeof(*s), GFP_KERNEL);
- if (s == NULL)
- return (NULL);
-
- s->shrink = func;
- s->seeks = seek;
-
- register_shrinker(s);
-
- return s;
-}
-
-static inline
-void cfs_remove_shrinker(struct shrinker *shrinker)
-{
- if (shrinker == NULL)
- return;
-
- unregister_shrinker(shrinker);
- kfree(shrinker);
-}
-#endif
-
#ifdef HAVE_BIO_ENDIO_2ARG
#define cfs_bio_io_error(a,b) bio_io_error((a))
#define cfs_bio_endio(a,b,c) bio_endio((a),(c))
#define bio_hw_segments(q, bio) 0
#endif
+#ifndef HAVE_PAGEVEC_LRU_ADD_FILE
+#define pagevec_lru_add_file pagevec_lru_add
+#endif
+
+#ifdef HAVE_ADD_TO_PAGE_CACHE_LRU
+#define ll_add_to_page_cache_lru(pg, mapping, off, gfp) \
+ add_to_page_cache_lru(pg, mapping, off, gfp)
+#define ll_pagevec_init(pv, cold) do {} while (0)
+#define ll_pagevec_add(pv, pg) (0)
+#define ll_pagevec_lru_add_file(pv) do {} while (0)
+#else
+#define ll_add_to_page_cache_lru(pg, mapping, off, gfp) \
+ add_to_page_cache(pg, mapping, off, gfp)
+#define ll_pagevec_init(pv, cold) pagevec_init(&lru_pvec, cold);
+#define ll_pagevec_add(pv, pg) pagevec_add(pv, pg)
+#define ll_pagevec_lru_add_file(pv) pagevec_lru_add_file(pv)
+#endif
+
#endif /* __KERNEL__ */
#endif /* _COMPAT25_H */