X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_packedtags1.c;h=b35efe0a9f735e754316f066e0c32ce5aef3f62b;hp=c910f22ea4d78d22b8241d73f2f85e67f8a6a2db;hb=6500cebaa2c93512d544719956af259ca13f83b7;hpb=3e5718ec7f0df7b76837d10583419b745cb27474 diff --git a/yaffs_packedtags1.c b/yaffs_packedtags1.c index c910f22..b35efe0 100644 --- a/yaffs_packedtags1.c +++ b/yaffs_packedtags1.c @@ -1,7 +1,7 @@ /* * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. * - * Copyright (C) 2002-2007 Aleph One Ltd. + * Copyright (C) 2002-2010 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning @@ -14,38 +14,43 @@ #include "yaffs_packedtags1.h" #include "yportenv.h" -void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t) +static const u8 all_ff[20] = { + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff +}; + +void yaffs_pack_tags1(struct yaffs_packed_tags1 *pt, + const struct yaffs_ext_tags *t) { - pt->chunkId = t->chunkId; - pt->serialNumber = t->serialNumber; - pt->byteCount = t->byteCount; - pt->objectId = t->objectId; + pt->chunk_id = t->chunk_id; + pt->serial_number = t->serial_number; + pt->n_bytes = t->n_bytes; + pt->obj_id = t->obj_id; pt->ecc = 0; - pt->deleted = (t->chunkDeleted) ? 0 : 1; - pt->unusedStuff = 0; - pt->shouldBeFF = 0xFFFFFFFF; - + pt->deleted = (t->is_deleted) ? 0 : 1; + pt->unused_stuff = 0; + pt->should_be_ff = 0xFFFFFFFF; } -void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt) +void yaffs_unpack_tags1(struct yaffs_ext_tags *t, + const struct yaffs_packed_tags1 *pt) { - static const __u8 allFF[] = - { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, -0xff }; - if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) { - t->blockBad = 0; - if (pt->shouldBeFF != 0xFFFFFFFF) { - t->blockBad = 1; - } - t->chunkUsed = 1; - t->objectId = pt->objectId; - t->chunkId = pt->chunkId; - t->byteCount = pt->byteCount; - t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; - t->chunkDeleted = (pt->deleted) ? 0 : 1; - t->serialNumber = pt->serialNumber; + if (memcmp(all_ff, pt, sizeof(struct yaffs_packed_tags1))) { + t->block_bad = 0; + if (pt->should_be_ff != 0xFFFFFFFF) + t->block_bad = 1; + t->chunk_used = 1; + t->obj_id = pt->obj_id; + t->chunk_id = pt->chunk_id; + t->n_bytes = pt->n_bytes; + t->ecc_result = YAFFS_ECC_RESULT_NO_ERROR; + t->is_deleted = (pt->deleted) ? 0 : 1; + t->serial_number = pt->serial_number; } else { - memset(t, 0, sizeof(yaffs_ExtendedTags)); + memset(t, 0, sizeof(struct yaffs_ext_tags)); } }