struct journal_params {
- __u32 jp_journal_1st_block; /* where does journal start from on its
+ __le32 jp_journal_1st_block; /* where does journal start from on its
* device */
- __u32 jp_journal_dev; /* journal device st_rdev */
- __u32 jp_journal_size; /* size of the journal */
- __u32 jp_journal_trans_max; /* max number of blocks in a transaction. */
- __u32 jp_journal_magic; /* random value made on fs creation (this
+ __le32 jp_journal_dev; /* journal device st_rdev */
+ __le32 jp_journal_size; /* size of the journal */
+ __le32 jp_journal_trans_max; /* max number of blocks in a transaction. */
+ __le32 jp_journal_magic; /* random value made on fs creation (this
* was sb_journal_block_count) */
- __u32 jp_journal_max_batch; /* max number of blocks to batch into a
+ __le32 jp_journal_max_batch; /* max number of blocks to batch into a
* trans */
- __u32 jp_journal_max_commit_age; /* in seconds, how old can an async
+ __le32 jp_journal_max_commit_age; /* in seconds, how old can an async
* commit be */
- __u32 jp_journal_max_trans_age; /* in seconds, how old can a transaction
+ __le32 jp_journal_max_trans_age; /* in seconds, how old can a transaction
* be */
};
/* this is the super from 3.5.X, where X >= 10 */
struct reiserfs_super_block_v1
{
- __u32 s_block_count; /* blocks count */
- __u32 s_free_blocks; /* free blocks count */
- __u32 s_root_block; /* root block number */
+ __le32 s_block_count; /* blocks count */
+ __le32 s_free_blocks; /* free blocks count */
+ __le32 s_root_block; /* root block number */
struct journal_params s_journal;
- __u16 s_blocksize; /* block size */
- __u16 s_oid_maxsize; /* max size of object id array, see
+ __le16 s_blocksize; /* block size */
+ __le16 s_oid_maxsize; /* max size of object id array, see
* get_objectid() commentary */
- __u16 s_oid_cursize; /* current size of object id array */
- __u16 s_umount_state; /* this is set to 1 when filesystem was
+ __le16 s_oid_cursize; /* current size of object id array */
+ __le16 s_umount_state; /* this is set to 1 when filesystem was
* umounted, to 2 - when not */
char s_magic[10]; /* reiserfs magic string indicates that
* file system is reiserfs:
* "ReIsErFs" or "ReIsEr2Fs" or "ReIsEr3Fs" */
- __u16 s_fs_state; /* it is set to used by fsck to mark which
+ __le16 s_fs_state; /* it is set to used by fsck to mark which
* phase of rebuilding is done */
- __u32 s_hash_function_code; /* indicate, what hash function is being use
+ __le32 s_hash_function_code; /* indicate, what hash function is being use
* to sort names in a directory*/
- __u16 s_tree_height; /* height of disk tree */
- __u16 s_bmap_nr; /* amount of bitmap blocks needed to address
+ __le16 s_tree_height; /* height of disk tree */
+ __le16 s_bmap_nr; /* amount of bitmap blocks needed to address
* each block of file system */
- __u16 s_version; /* this field is only reliable on filesystem
+ __le16 s_version; /* this field is only reliable on filesystem
* with non-standard journal */
- __u16 s_reserved_for_journal; /* size in blocks of journal area on main
+ __le16 s_reserved_for_journal; /* size in blocks of journal area on main
* device, we need to keep after
* making fs with non-standard journal */
} __attribute__ ((__packed__));
struct reiserfs_super_block
{
struct reiserfs_super_block_v1 s_v1;
- __u32 s_inode_generation;
- __u32 s_flags; /* Right now used only by inode-attributes, if enabled */
+ __le32 s_inode_generation;
+ __le32 s_flags; /* Right now used only by inode-attributes, if enabled */
unsigned char s_uuid[16]; /* filesystem unique identifier */
unsigned char s_label[16]; /* filesystem volume label */
char s_unused[88] ; /* zero filled by mkreiserfs and
#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) \
#define QUOTA_EXCEEDED -6
typedef __u32 b_blocknr_t;
-typedef __u32 unp_t;
+typedef __le32 unp_t;
struct unfm_nodeinfo {
unp_t unfm_nodenum;
// directories use this key as well as old files
//
struct offset_v1 {
- __u32 k_offset;
- __u32 k_uniqueness;
+ __le32 k_offset;
+ __le32 k_uniqueness;
} __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
/* Key of an item determines its location in the S+tree, and
is composed of 4 components */
struct reiserfs_key {
- __u32 k_dir_id; /* packing locality: by default parent
+ __le32 k_dir_id; /* packing locality: by default parent
directory object id */
- __u32 k_objectid; /* object identifier */
+ __le32 k_objectid; /* object identifier */
union {
struct offset_v1 k_offset_v1;
struct offset_v2 k_offset_v2;
} __attribute__ ((__packed__)) u;
} __attribute__ ((__packed__));
+struct in_core_key {
+ __u32 k_dir_id; /* packing locality: by default parent
+ directory object id */
+ __u32 k_objectid; /* object identifier */
+ __u64 k_offset;
+ __u8 k_type;
+};
struct cpu_key {
- struct reiserfs_key on_disk_key;
+ struct in_core_key on_disk_key;
int version;
int key_length; /* 3 in all cases but direct2indirect and
indirect2direct conversion */
item. Note that the key, not this field, is used to
determine the item type, and thus which field this
union contains. */
- __u16 ih_free_space_reserved;
+ __le16 ih_free_space_reserved;
/* Iff this is a directory item, this field equals the
number of directory entries in the directory item. */
- __u16 ih_entry_count;
+ __le16 ih_entry_count;
} __attribute__ ((__packed__)) u;
- __u16 ih_item_len; /* total size of the item body */
- __u16 ih_item_location; /* an offset to the item body
+ __le16 ih_item_len; /* total size of the item body */
+ __le16 ih_item_location; /* an offset to the item body
* within the block */
- __u16 ih_version; /* 0 for all old items, 2 for new
+ __le16 ih_version; /* 0 for all old items, 2 for new
ones. Highest bit is set by fsck
temporary, cleaned after all
done */
//
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)
/* Header of a disk block. More precisely, header of a formatted leaf
or internal node, and not the header of an unformatted node. */
struct block_head {
- __u16 blk_level; /* Level of a block in the tree. */
- __u16 blk_nr_item; /* Number of keys/items in a block. */
- __u16 blk_free_space; /* Block free space in bytes. */
- __u16 blk_reserved;
+ __le16 blk_level; /* Level of a block in the tree. */
+ __le16 blk_nr_item; /* Number of keys/items in a block. */
+ __le16 blk_free_space; /* Block free space in bytes. */
+ __le16 blk_reserved;
/* dump this in v4/planA */
struct reiserfs_key blk_right_delim_key; /* kept only for compatibility */
};
//
struct stat_data_v1
{
- __u16 sd_mode; /* file type, permissions */
- __u16 sd_nlink; /* number of hard links */
- __u16 sd_uid; /* owner */
- __u16 sd_gid; /* group */
- __u32 sd_size; /* file size */
- __u32 sd_atime; /* time of last access */
- __u32 sd_mtime; /* time file was last modified */
- __u32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */
+ __le16 sd_mode; /* file type, permissions */
+ __le16 sd_nlink; /* number of hard links */
+ __le16 sd_uid; /* owner */
+ __le16 sd_gid; /* group */
+ __le32 sd_size; /* file size */
+ __le32 sd_atime; /* time of last access */
+ __le32 sd_mtime; /* time file was last modified */
+ __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */
union {
- __u32 sd_rdev;
- __u32 sd_blocks; /* number of blocks file uses */
+ __le32 sd_rdev;
+ __le32 sd_blocks; /* number of blocks file uses */
} __attribute__ ((__packed__)) u;
- __u32 sd_first_direct_byte; /* first byte of file which is stored
+ __le32 sd_first_direct_byte; /* first byte of file which is stored
in a direct item: except that if it
equals 1 it is a symlink and if it
equals ~(__u32)0 there is no
/* Stat Data on disk (reiserfs version of UFS disk inode minus the
address blocks) */
struct stat_data {
- __u16 sd_mode; /* file type, permissions */
- __u16 sd_attrs; /* persistent inode flags */
- __u32 sd_nlink; /* number of hard links */
- __u64 sd_size; /* file size */
- __u32 sd_uid; /* owner */
- __u32 sd_gid; /* group */
- __u32 sd_atime; /* time of last access */
- __u32 sd_mtime; /* time file was last modified */
- __u32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */
- __u32 sd_blocks;
+ __le16 sd_mode; /* file type, permissions */
+ __le16 sd_attrs; /* persistent inode flags */
+ __le32 sd_nlink; /* number of hard links */
+ __le64 sd_size; /* file size */
+ __le32 sd_uid; /* owner */
+ __le32 sd_gid; /* group */
+ __le32 sd_atime; /* time of last access */
+ __le32 sd_mtime; /* time file was last modified */
+ __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */
+ __le32 sd_blocks;
union {
- __u32 sd_rdev;
- __u32 sd_generation;
- //__u32 sd_first_direct_byte;
+ __le32 sd_rdev;
+ __le32 sd_generation;
+ //__le32 sd_first_direct_byte;
/* first byte of file which is stored in a
direct item: except that if it equals 1
it is a symlink and if it equals
struct reiserfs_de_head
{
- __u32 deh_offset; /* third component of the directory entry key */
- __u32 deh_dir_id; /* objectid of the parent directory of the object, that is referenced
+ __le32 deh_offset; /* third component of the directory entry key */
+ __le32 deh_dir_id; /* objectid of the parent directory of the object, that is referenced
by directory entry */
- __u32 deh_objectid; /* objectid of the object, that is referenced by directory entry */
- __u16 deh_location; /* offset of name in the whole item */
- __u16 deh_state; /* whether 1) entry contains stat data (for future), and 2) whether
+ __le32 deh_objectid; /* objectid of the object, that is referenced by directory entry */
+ __le16 deh_location; /* offset of name in the whole item */
+ __le16 deh_state; /* whether 1) entry contains stat data (for future), and 2) whether
entry is hidden (unlinked) */
} __attribute__ ((__packed__));
#define DEH_SIZE sizeof(struct reiserfs_de_head)
#define de_visible(deh) test_bit_unaligned (DEH_Visible, &((deh)->deh_state))
#define de_hidden(deh) !test_bit_unaligned (DEH_Visible, &((deh)->deh_state))
-extern void make_empty_dir_item_v1 (char * body, __u32 dirid, __u32 objid,
- __u32 par_dirid, __u32 par_objid);
-extern void make_empty_dir_item (char * body, __u32 dirid, __u32 objid,
- __u32 par_dirid, __u32 par_objid);
+extern void make_empty_dir_item_v1 (char * body, __le32 dirid, __le32 objid,
+ __le32 par_dirid, __le32 par_objid);
+extern void make_empty_dir_item (char * body, __le32 dirid, __le32 objid,
+ __le32 par_dirid, __le32 par_objid);
/* array of the entry headers */
/* get item body */
/* Disk child pointer: The pointer from an internal node of the tree
to a node that is on disk. */
struct disk_child {
- __u32 dc_block_number; /* Disk child's block number. */
- __u16 dc_size; /* Disk child's used space. */
- __u16 dc_reserved;
+ __le32 dc_block_number; /* Disk child's block number. */
+ __le16 dc_size; /* Disk child's used space. */
+ __le16 dc_reserved;
};
#define DC_SIZE (sizeof(struct disk_child))
int fs_gen; /* saved value of `reiserfs_generation' counter
see FILESYSTEM_CHANGED() macro in reiserfs_fs.h */
#ifdef DISPLACE_NEW_PACKING_LOCALITIES
- struct reiserfs_key key; /* key pointer, to pass to block allocator or
+ struct in_core_key key; /* key pointer, to pass to block allocator or
another low-level subsystem */
#endif
} ;
/* first block written in a commit. */
struct reiserfs_journal_desc {
- __u32 j_trans_id ; /* id of commit */
- __u32 j_len ; /* length of commit. len +1 is the commit block */
- __u32 j_mount_id ; /* mount id of this trans*/
- __u32 j_realblock[1] ; /* real locations for each block */
+ __le32 j_trans_id ; /* id of commit */
+ __le32 j_len ; /* length of commit. len +1 is the commit block */
+ __le32 j_mount_id ; /* mount id of this trans*/
+ __le32 j_realblock[1] ; /* real locations for each block */
} ;
#define get_desc_trans_id(d) le32_to_cpu((d)->j_trans_id)
/* last block written in a commit */
struct reiserfs_journal_commit {
- __u32 j_trans_id ; /* must match j_trans_id from the desc block */
- __u32 j_len ; /* ditto */
- __u32 j_realblock[1] ; /* real locations for each block */
+ __le32 j_trans_id ; /* must match j_trans_id from the desc block */
+ __le32 j_len ; /* ditto */
+ __le32 j_realblock[1] ; /* real locations for each block */
} ;
#define get_commit_trans_id(c) le32_to_cpu((c)->j_trans_id)
** and this transaction does not need to be replayed.
*/
struct reiserfs_journal_header {
- __u32 j_last_flush_trans_id ; /* id of last fully flushed transaction */
- __u32 j_first_unflushed_offset ; /* offset in the log of where to start replay after a crash */
- __u32 j_mount_id ;
+ __le32 j_last_flush_trans_id ; /* id of last fully flushed transaction */
+ __le32 j_first_unflushed_offset ; /* offset in the log of where to start replay after a crash */
+ __le32 j_mount_id ;
/* 12 */ struct journal_params jh_journal;
} ;
struct __reiserfs_blocknr_hint {
struct inode * inode; /* inode passed to allocator, if we allocate unf. nodes */
long block; /* file offset, in blocks */
- struct reiserfs_key key;
+ struct in_core_key key;
struct path * path; /* search path, used by allocator to deternine search_start by
* various ways */
struct reiserfs_transaction_handle * th; /* transaction handle is needed to log super blocks and
* to use for a new object underneat it. The locality is returned
* in disk byte order (le).
*/
-u32 reiserfs_choose_packing(struct inode *dir);
+__le32 reiserfs_choose_packing(struct inode *dir);
int is_reusable (struct super_block * s, b_blocknr_t block, int bit_value);
void reiserfs_free_block (struct reiserfs_transaction_handle *th, struct inode *, b_blocknr_t, int for_unformatted);
git://git.onelab.eu / linux-2.6.git / blobdiff