hpfs: assorted endianness annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Šī revīzija ir iekļauta:
Al Viro
108
fs/hpfs/hpfs.h
108
fs/hpfs/hpfs.h
@@ -51,11 +51,11 @@ struct hpfs_boot_block
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u8 n_rootdir_entries[2];
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u8 n_sectors_s[2];
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u8 media_byte;
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u16 sectors_per_fat;
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u16 sectors_per_track;
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u16 heads_per_cyl;
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u32 n_hidden_sectors;
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u32 n_sectors_l; /* size of partition */
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__le16 sectors_per_fat;
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__le16 sectors_per_track;
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__le16 heads_per_cyl;
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__le32 n_hidden_sectors;
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__le32 n_sectors_l; /* size of partition */
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u8 drive_number;
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u8 mbz;
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u8 sig_28h; /* 28h */
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@@ -63,7 +63,7 @@ struct hpfs_boot_block
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u8 vol_label[11];
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u8 sig_hpfs[8]; /* "HPFS " */
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u8 pad[448];
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u16 magic; /* aa55 */
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__le16 magic; /* aa55 */
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};
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@@ -75,28 +75,28 @@ struct hpfs_boot_block
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struct hpfs_super_block
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{
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u32 magic; /* f995 e849 */
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u32 magic1; /* fa53 e9c5, more magic? */
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__le32 magic; /* f995 e849 */
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__le32 magic1; /* fa53 e9c5, more magic? */
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u8 version; /* version of a filesystem usually 2 */
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u8 funcversion; /* functional version - oldest version
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of filesystem that can understand
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this disk */
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u16 zero; /* 0 */
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fnode_secno root; /* fnode of root directory */
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secno n_sectors; /* size of filesystem */
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u32 n_badblocks; /* number of bad blocks */
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secno bitmaps; /* pointers to free space bit maps */
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u32 zero1; /* 0 */
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secno badblocks; /* bad block list */
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u32 zero3; /* 0 */
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time32_t last_chkdsk; /* date last checked, 0 if never */
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time32_t last_optimize; /* date last optimized, 0 if never */
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secno n_dir_band; /* number of sectors in dir band */
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secno dir_band_start; /* first sector in dir band */
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secno dir_band_end; /* last sector in dir band */
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secno dir_band_bitmap; /* free space map, 1 dnode per bit */
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__le16 zero; /* 0 */
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__le32 root; /* fnode of root directory */
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__le32 n_sectors; /* size of filesystem */
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__le32 n_badblocks; /* number of bad blocks */
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__le32 bitmaps; /* pointers to free space bit maps */
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__le32 zero1; /* 0 */
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__le32 badblocks; /* bad block list */
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__le32 zero3; /* 0 */
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__le32 last_chkdsk; /* date last checked, 0 if never */
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__le32 last_optimize; /* date last optimized, 0 if never */
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__le32 n_dir_band; /* number of sectors in dir band */
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__le32 dir_band_start; /* first sector in dir band */
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__le32 dir_band_end; /* last sector in dir band */
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__le32 dir_band_bitmap; /* free space map, 1 dnode per bit */
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u8 volume_name[32]; /* not used */
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secno user_id_table; /* 8 preallocated sectors - user id */
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__le32 user_id_table; /* 8 preallocated sectors - user id */
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u32 zero6[103]; /* 0 */
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};
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@@ -109,8 +109,8 @@ struct hpfs_super_block
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struct hpfs_spare_block
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{
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u32 magic; /* f991 1849 */
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u32 magic1; /* fa52 29c5, more magic? */
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__le32 magic; /* f991 1849 */
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__le32 magic1; /* fa52 29c5, more magic? */
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#ifdef __LITTLE_ENDIAN
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u8 dirty: 1; /* 0 clean, 1 "improperly stopped" */
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@@ -153,21 +153,21 @@ struct hpfs_spare_block
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u8 mm_contlgulty;
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u8 unused;
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secno hotfix_map; /* info about remapped bad sectors */
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u32 n_spares_used; /* number of hotfixes */
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u32 n_spares; /* number of spares in hotfix map */
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u32 n_dnode_spares_free; /* spare dnodes unused */
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u32 n_dnode_spares; /* length of spare_dnodes[] list,
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__le32 hotfix_map; /* info about remapped bad sectors */
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__le32 n_spares_used; /* number of hotfixes */
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__le32 n_spares; /* number of spares in hotfix map */
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__le32 n_dnode_spares_free; /* spare dnodes unused */
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__le32 n_dnode_spares; /* length of spare_dnodes[] list,
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follows in this block*/
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secno code_page_dir; /* code page directory block */
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u32 n_code_pages; /* number of code pages */
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u32 super_crc; /* on HPFS386 and LAN Server this is
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__le32 code_page_dir; /* code page directory block */
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__le32 n_code_pages; /* number of code pages */
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__le32 super_crc; /* on HPFS386 and LAN Server this is
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checksum of superblock, on normal
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OS/2 unused */
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u32 spare_crc; /* on HPFS386 checksum of spareblock */
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u32 zero1[15]; /* unused */
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dnode_secno spare_dnodes[100]; /* emergency free dnode list */
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u32 zero2[1]; /* room for more? */
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__le32 spare_crc; /* on HPFS386 checksum of spareblock */
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__le32 zero1[15]; /* unused */
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__le32 spare_dnodes[100]; /* emergency free dnode list */
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__le32 zero2[1]; /* room for more? */
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};
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/* The bad block list is 4 sectors long. The first word must be zero,
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@@ -202,18 +202,18 @@ struct hpfs_spare_block
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struct code_page_directory
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{
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u32 magic; /* 4945 21f7 */
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u32 n_code_pages; /* number of pointers following */
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u32 zero1[2];
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__le32 magic; /* 4945 21f7 */
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__le32 n_code_pages; /* number of pointers following */
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__le32 zero1[2];
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struct {
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u16 ix; /* index */
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u16 code_page_number; /* code page number */
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u32 bounds; /* matches corresponding word
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__le16 ix; /* index */
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__le16 code_page_number; /* code page number */
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__le32 bounds; /* matches corresponding word
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in data block */
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secno code_page_data; /* sector number of a code_page_data
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__le32 code_page_data; /* sector number of a code_page_data
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containing c.p. array */
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u16 index; /* index in c.p. array in that sector*/
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u16 unknown; /* some unknown value; usually 0;
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__le16 index; /* index in c.p. array in that sector*/
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__le16 unknown; /* some unknown value; usually 0;
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2 in Japanese version */
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} array[31]; /* unknown length */
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};
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@@ -224,19 +224,19 @@ struct code_page_directory
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struct code_page_data
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{
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u32 magic; /* 8945 21f7 */
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u32 n_used; /* # elements used in c_p_data[] */
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u32 bounds[3]; /* looks a bit like
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__le32 magic; /* 8945 21f7 */
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__le32 n_used; /* # elements used in c_p_data[] */
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__le32 bounds[3]; /* looks a bit like
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(beg1,end1), (beg2,end2)
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one byte each */
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u16 offs[3]; /* offsets from start of sector
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__le16 offs[3]; /* offsets from start of sector
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to start of c_p_data[ix] */
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struct {
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u16 ix; /* index */
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u16 code_page_number; /* code page number */
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u16 unknown; /* the same as in cp directory */
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__le16 ix; /* index */
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__le16 code_page_number; /* code page number */
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__le16 unknown; /* the same as in cp directory */
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u8 map[128]; /* upcase table for chars 80..ff */
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u16 zero2;
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__le16 zero2;
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} code_page[3];
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u8 incognita[78];
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};
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