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author | Imre Kaloz <kaloz@openwrt.org> | 2008-06-02 08:22:56 +0000 |
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committer | Imre Kaloz <kaloz@openwrt.org> | 2008-06-02 08:22:56 +0000 |
commit | 7cce2d8fc39a7bbcdcf8755ad331409b0a103103 (patch) | |
tree | c5089f65708dd1656748c8079574e68096d53242 /target/linux/generic-2.6/files-2.6.26/fs/yaffs2/yaffs_packedtags1.c | |
parent | 40720b6d2027e49c59718c3650c93bc6771a38b3 (diff) | |
download | mtk-20170518-7cce2d8fc39a7bbcdcf8755ad331409b0a103103.zip mtk-20170518-7cce2d8fc39a7bbcdcf8755ad331409b0a103103.tar.gz mtk-20170518-7cce2d8fc39a7bbcdcf8755ad331409b0a103103.tar.bz2 |
add generic 2.6.26 patches/files
SVN-Revision: 11323
Diffstat (limited to 'target/linux/generic-2.6/files-2.6.26/fs/yaffs2/yaffs_packedtags1.c')
-rw-r--r-- | target/linux/generic-2.6/files-2.6.26/fs/yaffs2/yaffs_packedtags1.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/files-2.6.26/fs/yaffs2/yaffs_packedtags1.c b/target/linux/generic-2.6/files-2.6.26/fs/yaffs2/yaffs_packedtags1.c new file mode 100644 index 0000000..f480bf1 --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.26/fs/yaffs2/yaffs_packedtags1.c @@ -0,0 +1,52 @@ +/* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * + * Copyright (C) 2002-2007 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "yaffs_packedtags1.h" +#include "yportenv.h" + +void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t) +{ + pt->chunkId = t->chunkId; + pt->serialNumber = t->serialNumber; + pt->byteCount = t->byteCount; + pt->objectId = t->objectId; + pt->ecc = 0; + pt->deleted = (t->chunkDeleted) ? 0 : 1; + pt->unusedStuff = 0; + pt->shouldBeFF = 0xFFFFFFFF; + +} + +void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * 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; + } else { + memset(t, 0, sizeof(yaffs_ExtendedTags)); + + } +} |