diff options
Diffstat (limited to 'include/linux/reiserfs_fs.h')
-rw-r--r-- | include/linux/reiserfs_fs.h | 49 |
1 files changed, 8 insertions, 41 deletions
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index 2f7a34d636dd..d445b682ce00 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h | |||
@@ -433,23 +433,6 @@ static inline void set_offset_v2_k_offset( struct offset_v2 *v2, loff_t offset ) | |||
433 | # define set_offset_v2_k_offset(v2,val) (offset_v2_k_offset(v2) = (val)) | 433 | # define set_offset_v2_k_offset(v2,val) (offset_v2_k_offset(v2) = (val)) |
434 | #endif | 434 | #endif |
435 | 435 | ||
436 | struct in_core_offset_v1 { | ||
437 | __u32 k_offset; | ||
438 | __u32 k_uniqueness; | ||
439 | } __attribute__ ((__packed__)); | ||
440 | |||
441 | struct in_core_offset_v2 { | ||
442 | #ifdef __LITTLE_ENDIAN | ||
443 | /* little endian version */ | ||
444 | __u64 k_offset:60; | ||
445 | __u64 k_type: 4; | ||
446 | #else | ||
447 | /* big endian version */ | ||
448 | __u64 k_type: 4; | ||
449 | __u64 k_offset:60; | ||
450 | #endif | ||
451 | } __attribute__ ((__packed__)); | ||
452 | |||
453 | /* Key of an item determines its location in the S+tree, and | 436 | /* Key of an item determines its location in the S+tree, and |
454 | is composed of 4 components */ | 437 | is composed of 4 components */ |
455 | struct reiserfs_key { | 438 | struct reiserfs_key { |
@@ -466,11 +449,9 @@ struct in_core_key { | |||
466 | __u32 k_dir_id; /* packing locality: by default parent | 449 | __u32 k_dir_id; /* packing locality: by default parent |
467 | directory object id */ | 450 | directory object id */ |
468 | __u32 k_objectid; /* object identifier */ | 451 | __u32 k_objectid; /* object identifier */ |
469 | union { | 452 | __u64 k_offset; |
470 | struct in_core_offset_v1 k_offset_v1; | 453 | __u8 k_type; |
471 | struct in_core_offset_v2 k_offset_v2; | 454 | }; |
472 | } __attribute__ ((__packed__)) u; | ||
473 | } __attribute__ ((__packed__)); | ||
474 | 455 | ||
475 | struct cpu_key { | 456 | struct cpu_key { |
476 | struct in_core_key on_disk_key; | 457 | struct in_core_key on_disk_key; |
@@ -696,43 +677,29 @@ static inline void set_le_ih_k_type (struct item_head * ih, int type) | |||
696 | // | 677 | // |
697 | static inline loff_t cpu_key_k_offset (const struct cpu_key * key) | 678 | static inline loff_t cpu_key_k_offset (const struct cpu_key * key) |
698 | { | 679 | { |
699 | return (key->version == KEY_FORMAT_3_5) ? | 680 | return key->on_disk_key.k_offset; |
700 | key->on_disk_key.u.k_offset_v1.k_offset : | ||
701 | key->on_disk_key.u.k_offset_v2.k_offset; | ||
702 | } | 681 | } |
703 | 682 | ||
704 | static inline loff_t cpu_key_k_type (const struct cpu_key * key) | 683 | static inline loff_t cpu_key_k_type (const struct cpu_key * key) |
705 | { | 684 | { |
706 | return (key->version == KEY_FORMAT_3_5) ? | 685 | return key->on_disk_key.k_type; |
707 | uniqueness2type (key->on_disk_key.u.k_offset_v1.k_uniqueness) : | ||
708 | key->on_disk_key.u.k_offset_v2.k_type; | ||
709 | } | 686 | } |
710 | 687 | ||
711 | static inline void set_cpu_key_k_offset (struct cpu_key * key, loff_t offset) | 688 | static inline void set_cpu_key_k_offset (struct cpu_key * key, loff_t offset) |
712 | { | 689 | { |
713 | (key->version == KEY_FORMAT_3_5) ? | 690 | key->on_disk_key.k_offset = offset; |
714 | (key->on_disk_key.u.k_offset_v1.k_offset = offset) : | ||
715 | (key->on_disk_key.u.k_offset_v2.k_offset = offset); | ||
716 | } | 691 | } |
717 | 692 | ||
718 | |||
719 | static inline void set_cpu_key_k_type (struct cpu_key * key, int type) | 693 | static inline void set_cpu_key_k_type (struct cpu_key * key, int type) |
720 | { | 694 | { |
721 | (key->version == KEY_FORMAT_3_5) ? | 695 | key->on_disk_key.k_type = type; |
722 | (key->on_disk_key.u.k_offset_v1.k_uniqueness = type2uniqueness (type)): | ||
723 | (key->on_disk_key.u.k_offset_v2.k_type = type); | ||
724 | } | 696 | } |
725 | 697 | ||
726 | |||
727 | static inline void cpu_key_k_offset_dec (struct cpu_key * key) | 698 | static inline void cpu_key_k_offset_dec (struct cpu_key * key) |
728 | { | 699 | { |
729 | if (key->version == KEY_FORMAT_3_5) | 700 | key->on_disk_key.k_offset --; |
730 | key->on_disk_key.u.k_offset_v1.k_offset --; | ||
731 | else | ||
732 | key->on_disk_key.u.k_offset_v2.k_offset --; | ||
733 | } | 701 | } |
734 | 702 | ||
735 | |||
736 | #define is_direntry_cpu_key(key) (cpu_key_k_type (key) == TYPE_DIRENTRY) | 703 | #define is_direntry_cpu_key(key) (cpu_key_k_type (key) == TYPE_DIRENTRY) |
737 | #define is_direct_cpu_key(key) (cpu_key_k_type (key) == TYPE_DIRECT) | 704 | #define is_direct_cpu_key(key) (cpu_key_k_type (key) == TYPE_DIRECT) |
738 | #define is_indirect_cpu_key(key) (cpu_key_k_type (key) == TYPE_INDIRECT) | 705 | #define is_indirect_cpu_key(key) (cpu_key_k_type (key) == TYPE_INDIRECT) |