[PATCH] NFSD: Add server support for NFSv3 ACLs.

[safe/jmp/linux-2.6] / include / linux / reiserfs_fs.h

diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index cc39c53..3214862 100644 (file)
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -225,7 +225,7 @@ struct reiserfs_super_block
 #define SB_ONDISK_JOURNAL_DEVICE(s) \
          le32_to_cpu ((SB_ONDISK_JP(s)->jp_journal_dev))
 #define SB_ONDISK_RESERVED_FOR_JOURNAL(s) \
-         le32_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_reserved_for_journal))
+         le16_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_reserved_for_journal))
 
 #define is_block_in_log_or_reserved_area(s, block) \
          block >= SB_JOURNAL_1st_RESERVED_BLOCK(s) \
@@ -381,74 +381,29 @@ struct offset_v1 {
 } __attribute__ ((__packed__));
 
 struct offset_v2 {
-#ifdef __LITTLE_ENDIAN
-           /* little endian version */
-           __u64 k_offset:60;
-           __u64 k_type: 4;
-#else
-           /* big endian version */
-           __u64 k_type: 4;
-           __u64 k_offset:60;
-#endif
+       __le64 v;
 } __attribute__ ((__packed__));
 
-#ifndef __LITTLE_ENDIAN
-typedef union {
-    struct offset_v2 offset_v2;
-    __u64 linear;
-} __attribute__ ((__packed__)) offset_v2_esafe_overlay;
-
 static inline __u16 offset_v2_k_type( const struct offset_v2 *v2 )
 {
-    offset_v2_esafe_overlay tmp = *(const offset_v2_esafe_overlay *)v2;
-    tmp.linear = le64_to_cpu( tmp.linear );
-    return (tmp.offset_v2.k_type <= TYPE_MAXTYPE)?tmp.offset_v2.k_type:TYPE_ANY;
+       __u8 type = le64_to_cpu(v2->v) >> 60;
+       return (type <= TYPE_MAXTYPE)?type:TYPE_ANY;
 }
  
 static inline void set_offset_v2_k_type( struct offset_v2 *v2, int type )
 {
-    offset_v2_esafe_overlay *tmp = (offset_v2_esafe_overlay *)v2;
-    tmp->linear = le64_to_cpu(tmp->linear);
-    tmp->offset_v2.k_type = type;
-    tmp->linear = cpu_to_le64(tmp->linear);
+       v2->v = (v2->v & cpu_to_le64(~0ULL>>4)) | cpu_to_le64((__u64)type<<60);
 }
  
 static inline loff_t offset_v2_k_offset( const struct offset_v2 *v2 )
 {
-    offset_v2_esafe_overlay tmp = *(const offset_v2_esafe_overlay *)v2;
-    tmp.linear = le64_to_cpu( tmp.linear );
-    return tmp.offset_v2.k_offset;
+       return le64_to_cpu(v2->v) & (~0ULL>>4);
 }
 
 static inline void set_offset_v2_k_offset( struct offset_v2 *v2, loff_t offset ){
-    offset_v2_esafe_overlay *tmp = (offset_v2_esafe_overlay *)v2;
-    tmp->linear = le64_to_cpu(tmp->linear);
-    tmp->offset_v2.k_offset = offset;
-    tmp->linear = cpu_to_le64(tmp->linear);
+       offset &= (~0ULL>>4);
+       v2->v = (v2->v & cpu_to_le64(15ULL<<60)) | cpu_to_le64(offset);
 }
-#else
-# define offset_v2_k_type(v2)           ((v2)->k_type)
-# define set_offset_v2_k_type(v2,val)   (offset_v2_k_type(v2) = (val))
-# define offset_v2_k_offset(v2)         ((v2)->k_offset)
-# define set_offset_v2_k_offset(v2,val) (offset_v2_k_offset(v2) = (val))
-#endif
-
-struct in_core_offset_v1 {
-    __u32 k_offset;
-    __u32 k_uniqueness;
-} __attribute__ ((__packed__));
-
-struct in_core_offset_v2 {
-#ifdef __LITTLE_ENDIAN
-           /* little endian version */
-           __u64 k_offset:60;
-           __u64 k_type: 4;
-#else
-           /* big endian version */
-           __u64 k_type: 4;
-           __u64 k_offset:60;
-#endif
-} __attribute__ ((__packed__));
 
 /* Key of an item determines its location in the S+tree, and
    is composed of 4 components */
@@ -466,11 +421,9 @@ struct in_core_key {
     __u32 k_dir_id;    /* packing locality: by default parent
                          directory object id */
     __u32 k_objectid;  /* object identifier */
-    union {
-       struct in_core_offset_v1 k_offset_v1;
-       struct in_core_offset_v2 k_offset_v2;
-    } __attribute__ ((__packed__)) u;
-} __attribute__ ((__packed__));
+    __u64 k_offset;
+    __u8 k_type;
+};
 
 struct cpu_key {
     struct in_core_key on_disk_key;
@@ -696,43 +649,29 @@ static inline void set_le_ih_k_type (struct item_head * ih, int type)
 //
 static inline loff_t cpu_key_k_offset (const struct cpu_key * key)
 {
-    return (key->version == KEY_FORMAT_3_5) ?
-        key->on_disk_key.u.k_offset_v1.k_offset :
-       key->on_disk_key.u.k_offset_v2.k_offset;
+    return key->on_disk_key.k_offset;
 }
 
 static inline loff_t cpu_key_k_type (const struct cpu_key * key)
 {
-    return (key->version == KEY_FORMAT_3_5) ?
-        uniqueness2type (key->on_disk_key.u.k_offset_v1.k_uniqueness) :
-       key->on_disk_key.u.k_offset_v2.k_type;
+    return key->on_disk_key.k_type;
 }
 
 static inline void set_cpu_key_k_offset (struct cpu_key * key, loff_t offset)
 {
-    (key->version == KEY_FORMAT_3_5) ?
-        (key->on_disk_key.u.k_offset_v1.k_offset = offset) :
-       (key->on_disk_key.u.k_offset_v2.k_offset = offset);
+       key->on_disk_key.k_offset = offset;
 }
 
-
 static inline void set_cpu_key_k_type (struct cpu_key * key, int type)
 {
-    (key->version == KEY_FORMAT_3_5) ?
-        (key->on_disk_key.u.k_offset_v1.k_uniqueness = type2uniqueness (type)):
-       (key->on_disk_key.u.k_offset_v2.k_type = type);
+       key->on_disk_key.k_type = type;
 }
 
-
 static inline void cpu_key_k_offset_dec (struct cpu_key * key)
 {
-    if (key->version == KEY_FORMAT_3_5)
-       key->on_disk_key.u.k_offset_v1.k_offset --;
-    else
-       key->on_disk_key.u.k_offset_v2.k_offset --;
+       key->on_disk_key.k_offset --;
 }
 
-
 #define is_direntry_cpu_key(key) (cpu_key_k_type (key) == TYPE_DIRENTRY)
 #define is_direct_cpu_key(key) (cpu_key_k_type (key) == TYPE_DIRECT)
 #define is_indirect_cpu_key(key) (cpu_key_k_type (key) == TYPE_INDIRECT)