Branch HEAD

[fs/lustre-release.git] / lustre / include / linux / lustre_compat25.h

diff --git a/lustre/include/linux/lustre_compat25.h b/lustre/include/linux/lustre_compat25.h
index d5b97fd..cd61080 100644 (file)
--- a/lustre/include/linux/lustre_compat25.h
+++ b/lustre/include/linux/lustre_compat25.h
@@ -65,7 +65,11 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
 #define ll_set_fs_pwd set_fs_pwd
 #endif /* HAVE_SET_FS_PWD */
 
-#define ATTR_BLOCKS     0x4000
+/*
+ * set ATTR_BLOCKS to a high value to avoid any risk of collision with other
+ * ATTR_* attributes (see bug 13828)
+ */
+#define ATTR_BLOCKS    (1 << 27)
 
 #if HAVE_INODE_I_MUTEX
 #define UNLOCK_INODE_MUTEX(inode) do {mutex_unlock(&(inode)->i_mutex); } while(0)
@@ -123,8 +127,6 @@ void groups_free(struct group_info *ginfo);
 #define gfp_t int
 #endif
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-
 #define lock_dentry(___dentry)          spin_lock(&(___dentry)->d_lock)
 #define unlock_dentry(___dentry)        spin_unlock(&(___dentry)->d_lock)
 
@@ -203,7 +205,7 @@ static inline int cleanup_group_info(void)
 
 #include <linux/proc_fs.h>
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
+#ifndef HAVE___D_REHASH
 #define __d_rehash(dentry, lock) d_rehash_cond(dentry, lock)
 #endif
 
@@ -218,8 +220,6 @@ static inline int cleanup_group_info(void)
 #define CheckWriteback(page, cmd) \
         (!(!PageWriteback(page) && cmd == OBD_BRW_WRITE))
 
-#endif
-
 #ifdef HAVE_PAGE_LIST
 static inline int mapping_has_pages(struct address_space *mapping)
 {