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yaml
---
r: 759
b: refs/heads/master
c: 6b9f582
h: refs/heads/master
i:
  757: 21b748d
  755: b5b4773
  751: 0262af0
v: v3
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Al Viro authored and Linus Torvalds committed May 1, 2005
1 parent 5935e47 commit 762fedf
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Showing 5 changed files with 28 additions and 67 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b8cc936f6295bba23513a49d858ea82f64982faf
refs/heads/master: 6b9f5829e6e3af44f20c681e26524c637d4f82ff
4 changes: 2 additions & 2 deletions trunk/fs/reiserfs/inode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1341,8 +1341,8 @@ void reiserfs_read_locked_inode (struct inode * inode, struct reiserfs_iget_args
key.version = KEY_FORMAT_3_5;
key.on_disk_key.k_dir_id = dirino;
key.on_disk_key.k_objectid = inode->i_ino;
key.on_disk_key.u.k_offset_v1.k_offset = SD_OFFSET;
key.on_disk_key.u.k_offset_v1.k_uniqueness = SD_UNIQUENESS;
key.on_disk_key.k_offset = 0;
key.on_disk_key.k_type = 0;

/* look for the object's stat data */
retval = search_item (inode->i_sb, &key, &path_to_sd);
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36 changes: 15 additions & 21 deletions trunk/fs/reiserfs/stree.c
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Expand Up @@ -87,23 +87,20 @@ inline void copy_item_head(struct item_head * p_v_to,
inline int comp_short_keys (const struct reiserfs_key * le_key,
const struct cpu_key * cpu_key)
{
__le32 * p_s_le_u32;
__u32 * p_s_cpu_u32;
int n_key_length = REISERFS_SHORT_KEY_LEN;

p_s_le_u32 = (__le32 *)le_key;
p_s_cpu_u32 = (__u32 *)&cpu_key->on_disk_key;
for( ; n_key_length--; ++p_s_le_u32, ++p_s_cpu_u32 ) {
if ( le32_to_cpu (*p_s_le_u32) < *p_s_cpu_u32 )
__u32 n;
n = le32_to_cpu(le_key->k_dir_id);
if (n < cpu_key->on_disk_key.k_dir_id)
return -1;
if ( le32_to_cpu (*p_s_le_u32) > *p_s_cpu_u32 )
if (n > cpu_key->on_disk_key.k_dir_id)
return 1;
n = le32_to_cpu(le_key->k_objectid);
if (n < cpu_key->on_disk_key.k_objectid)
return -1;
if (n > cpu_key->on_disk_key.k_objectid)
return 1;
}

return 0;
}


/* k1 is pointer to on-disk structure which is stored in little-endian
form. k2 is pointer to cpu variable.
Compare keys using all 4 key fields.
Expand Down Expand Up @@ -153,18 +150,15 @@ inline int comp_short_le_keys (const struct reiserfs_key * key1, const struct re

inline void le_key2cpu_key (struct cpu_key * to, const struct reiserfs_key * from)
{
int version;
to->on_disk_key.k_dir_id = le32_to_cpu (from->k_dir_id);
to->on_disk_key.k_objectid = le32_to_cpu (from->k_objectid);

// find out version of the key
to->version = le_key_version (from);
if (to->version == KEY_FORMAT_3_5) {
to->on_disk_key.u.k_offset_v1.k_offset = le32_to_cpu (from->u.k_offset_v1.k_offset);
to->on_disk_key.u.k_offset_v1.k_uniqueness = le32_to_cpu (from->u.k_offset_v1.k_uniqueness);
} else {
to->on_disk_key.u.k_offset_v2.k_offset = offset_v2_k_offset(&from->u.k_offset_v2);
to->on_disk_key.u.k_offset_v2.k_type = offset_v2_k_type(&from->u.k_offset_v2);
}
version = le_key_version (from);
to->version = version;
to->on_disk_key.k_offset = le_key_k_offset(version, from);
to->on_disk_key.k_type = le_key_k_type(version, from);
}


Expand Down Expand Up @@ -235,8 +229,8 @@ const struct reiserfs_key MAX_KEY = {
{{__constant_cpu_to_le32(0xffffffff),
__constant_cpu_to_le32(0xffffffff)},}
};
const struct in_core_key MAX_IN_CORE_KEY = {0xffffffff, 0xffffffff, {{0xffffffff, 0xffffffff},}};

const struct in_core_key MAX_IN_CORE_KEY = {~0U, ~0U, ~0ULL>>4, 15};

/* Get delimiting key of the buffer by looking for it in the buffers in the path, starting from the bottom
of the path, and going upwards. We must check the path's validity at each step. If the key is not in
Expand Down
4 changes: 2 additions & 2 deletions trunk/fs/reiserfs/super.c
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Original file line number Diff line number Diff line change
Expand Up @@ -218,8 +218,8 @@ static int finish_unfinished (struct super_block * s)
item = B_I_PITEM (bh, ih);
obj_key.on_disk_key.k_dir_id = le32_to_cpu (*(__le32 *)item);
obj_key.on_disk_key.k_objectid = le32_to_cpu (ih->ih_key.k_objectid);
obj_key.on_disk_key.u.k_offset_v1.k_offset = 0;
obj_key.on_disk_key.u.k_offset_v1.k_uniqueness = 0;
obj_key.on_disk_key.k_offset = 0;
obj_key.on_disk_key.k_type = 0;

pathrelse (&path);

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49 changes: 8 additions & 41 deletions trunk/include/linux/reiserfs_fs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -433,23 +433,6 @@ static inline void set_offset_v2_k_offset( struct offset_v2 *v2, loff_t 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 */
struct reiserfs_key {
Expand All @@ -466,11 +449,9 @@ 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;
Expand Down Expand Up @@ -696,43 +677,29 @@ 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)
Expand Down

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