[PATCH] reiserfs endianness: annotate little-endian objects
little-endian objects annotated as such; again, obviously no changes of
resulting code, we only replace __u16 with __le16, etc. in relevant places.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Cc: <reiserfs-dev@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index d086787..cc39c53 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -114,47 +114,47 @@
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__));
@@ -165,8 +165,8 @@
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
@@ -269,7 +269,7 @@
#define QUOTA_EXCEEDED -6
typedef __u32 b_blocknr_t;
-typedef __u32 unp_t;
+typedef __le32 unp_t;
struct unfm_nodeinfo {
unp_t unfm_nodenum;
@@ -376,8 +376,8 @@
// 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 {
@@ -453,9 +453,9 @@
/* 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;
@@ -534,15 +534,15 @@
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 */
@@ -778,10 +778,10 @@
/* 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 */
};
@@ -845,19 +845,19 @@
//
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
@@ -923,20 +923,20 @@
/* 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
@@ -1019,12 +1019,12 @@
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)
@@ -1084,10 +1084,10 @@
#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 */
@@ -1186,9 +1186,9 @@
/* 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))
@@ -1656,10 +1656,10 @@
/* 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)
@@ -1672,9 +1672,9 @@
/* 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)
@@ -1689,9 +1689,9 @@
** 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;
} ;
@@ -2170,7 +2170,7 @@
* 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);