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-rw-r--r--drivers/mtd/ubi/ubi-media.h17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/mtd/ubi/ubi-media.h b/drivers/mtd/ubi/ubi-media.h
index 26bb7af9787a..2ad940409053 100644
--- a/drivers/mtd/ubi/ubi-media.h
+++ b/drivers/mtd/ubi/ubi-media.h
@@ -168,16 +168,15 @@ struct ubi_ec_hdr {
168 * %UBI_COMPAT_IGNORE, %UBI_COMPAT_PRESERVE, or %UBI_COMPAT_REJECT) 168 * %UBI_COMPAT_IGNORE, %UBI_COMPAT_PRESERVE, or %UBI_COMPAT_REJECT)
169 * @vol_id: ID of this volume 169 * @vol_id: ID of this volume
170 * @lnum: logical eraseblock number 170 * @lnum: logical eraseblock number
171 * @leb_ver: version of this logical eraseblock (IMPORTANT: obsolete, to be 171 * @padding1: reserved for future, zeroes
172 * removed, kept only for not breaking older UBI users)
173 * @data_size: how many bytes of data this logical eraseblock contains 172 * @data_size: how many bytes of data this logical eraseblock contains
174 * @used_ebs: total number of used logical eraseblocks in this volume 173 * @used_ebs: total number of used logical eraseblocks in this volume
175 * @data_pad: how many bytes at the end of this physical eraseblock are not 174 * @data_pad: how many bytes at the end of this physical eraseblock are not
176 * used 175 * used
177 * @data_crc: CRC checksum of the data stored in this logical eraseblock 176 * @data_crc: CRC checksum of the data stored in this logical eraseblock
178 * @padding1: reserved for future, zeroes
179 * @sqnum: sequence number
180 * @padding2: reserved for future, zeroes 177 * @padding2: reserved for future, zeroes
178 * @sqnum: sequence number
179 * @padding3: reserved for future, zeroes
181 * @hdr_crc: volume identifier header CRC checksum 180 * @hdr_crc: volume identifier header CRC checksum
182 * 181 *
183 * The @sqnum is the value of the global sequence counter at the time when this 182 * The @sqnum is the value of the global sequence counter at the time when this
@@ -225,10 +224,6 @@ struct ubi_ec_hdr {
225 * checksum is correct, this physical eraseblock is selected (P1). Otherwise 224 * checksum is correct, this physical eraseblock is selected (P1). Otherwise
226 * the older one (P) is selected. 225 * the older one (P) is selected.
227 * 226 *
228 * Note, there is an obsolete @leb_ver field which was used instead of @sqnum
229 * in the past. But it is not used anymore and we keep it in order to be able
230 * to deal with old UBI images. It will be removed at some point.
231 *
232 * There are 2 sorts of volumes in UBI: user volumes and internal volumes. 227 * There are 2 sorts of volumes in UBI: user volumes and internal volumes.
233 * Internal volumes are not seen from outside and are used for various internal 228 * Internal volumes are not seen from outside and are used for various internal
234 * UBI purposes. In this implementation there is only one internal volume - the 229 * UBI purposes. In this implementation there is only one internal volume - the
@@ -278,14 +273,14 @@ struct ubi_vid_hdr {
278 __u8 compat; 273 __u8 compat;
279 __be32 vol_id; 274 __be32 vol_id;
280 __be32 lnum; 275 __be32 lnum;
281 __be32 leb_ver; /* obsolete, to be removed, don't use */ 276 __u8 padding1[4];
282 __be32 data_size; 277 __be32 data_size;
283 __be32 used_ebs; 278 __be32 used_ebs;
284 __be32 data_pad; 279 __be32 data_pad;
285 __be32 data_crc; 280 __be32 data_crc;
286 __u8 padding1[4]; 281 __u8 padding2[4];
287 __be64 sqnum; 282 __be64 sqnum;
288 __u8 padding2[12]; 283 __u8 padding3[12];
289 __be32 hdr_crc; 284 __be32 hdr_crc;
290} __attribute__ ((packed)); 285} __attribute__ ((packed));
291 286