X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/da7797b2ca558347d2f6862ede2ca96a1fee20ce..e4fd15b6447c6ead8f8a5a558dbedaef71e449b6:/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c index ab6a3a7e0..67001b10e 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c @@ -32,7 +32,7 @@ */ const char *yaffs_fs_c_version = - "$Id: yaffs_fs.c,v 1.66 2008-05-05 07:58:58 charles Exp $"; + "$Id: yaffs_fs.c,v 1.63 2007-09-19 20:35:40 imcd Exp $"; extern const char *yaffs_guts_c_version; #include @@ -53,8 +53,6 @@ extern const char *yaffs_guts_c_version; #include #include -#include "asm/div64.h" - #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) #include /* Added NCB 15-8-2003 */ @@ -755,8 +753,6 @@ static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj) break; } - inode->i_flags |= S_NOATIME; - inode->i_ino = obj->objectId; inode->i_mode = obj->yst_mode; inode->i_uid = obj->yst_uid; @@ -1354,47 +1350,25 @@ static int yaffs_statfs(struct super_block *sb, struct statfs *buf) buf->f_type = YAFFS_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_namelen = 255; - - if(dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)){ - /* Do this if chunk size is not a power of 2 */ - - uint64_t bytesInDev; - uint64_t bytesFree; - - bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock +1))) * - ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk)); - - do_div(bytesInDev,sb->s_blocksize); /* bytesInDev becomes the number of blocks */ - buf->f_blocks = bytesInDev; - - bytesFree = ((uint64_t)(yaffs_GetNumberOfFreeChunks(dev))) * - ((uint64_t)(dev->nDataBytesPerChunk)); - - do_div(bytesFree,sb->s_blocksize); - - buf->f_bfree = bytesFree; - - } else if (sb->s_blocksize > dev->nDataBytesPerChunk) { - + if (sb->s_blocksize > dev->nDataBytesPerChunk) { + buf->f_blocks = - (dev->endBlock - dev->startBlock + 1) * - dev->nChunksPerBlock / - (sb->s_blocksize / dev->nDataBytesPerChunk); - buf->f_bfree = - yaffs_GetNumberOfFreeChunks(dev) / - (sb->s_blocksize / dev->nDataBytesPerChunk); + (dev->endBlock - dev->startBlock + + 1) * dev->nChunksPerBlock / (sb->s_blocksize / + dev->nDataBytesPerChunk); + buf->f_bfree = + yaffs_GetNumberOfFreeChunks(dev) / (sb->s_blocksize / + dev->nDataBytesPerChunk); } else { - buf->f_blocks = - (dev->endBlock - dev->startBlock + 1) * - dev->nChunksPerBlock * - (dev->nDataBytesPerChunk / sb->s_blocksize); - - buf->f_bfree = - yaffs_GetNumberOfFreeChunks(dev) * - (dev->nDataBytesPerChunk / sb->s_blocksize); + + buf->f_blocks = + (dev->endBlock - dev->startBlock + + 1) * dev->nChunksPerBlock * (dev->nDataBytesPerChunk / + sb->s_blocksize); + buf->f_bfree = + yaffs_GetNumberOfFreeChunks(dev) * (dev->nDataBytesPerChunk / + sb->s_blocksize); } - - buf->f_files = 0; buf->f_ffree = 0; buf->f_bavail = buf->f_bfree; @@ -1628,7 +1602,6 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, sb->s_magic = YAFFS_MAGIC; sb->s_op = &yaffs_super_ops; - sb->s_flags |= MS_NOATIME; if (!sb) printk(KERN_INFO "yaffs: sb is NULL\n"); @@ -1705,15 +1678,22 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, #ifdef CONFIG_YAFFS_AUTO_YAFFS2 if (yaffsVersion == 1 && - WRITE_SIZE(mtd) >= 2048) { +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) + mtd->writesize >= 2048) { +#else + mtd->oobblock >= 2048) { +#endif T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n")); yaffsVersion = 2; } /* Added NCB 26/5/2006 for completeness */ - if (yaffsVersion == 2 && - !options.inband_tags && - WRITE_SIZE(mtd) == 512){ + if (yaffsVersion == 2 && +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) + mtd->writesize == 512) { +#else + mtd->oobblock == 512) { +#endif T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n")); yaffsVersion = 1; } @@ -1739,9 +1719,12 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, return NULL; } - if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE || - mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) && - !options.inband_tags) { +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) + if (mtd->writesize < YAFFS_MIN_YAFFS2_CHUNK_SIZE || +#else + if (mtd->oobblock < YAFFS_MIN_YAFFS2_CHUNK_SIZE || +#endif + mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) { T(YAFFS_TRACE_ALWAYS, ("yaffs: MTD device does not have the " "right page sizes\n")); @@ -1801,10 +1784,9 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, dev->startBlock = 0; dev->endBlock = nBlocks - 1; dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK; - dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK; + dev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK; dev->nReservedBlocks = 5; dev->nShortOpCaches = (options.no_cache) ? 0 : 10; - dev->inbandTags = options.inband_tags; /* ... and the functions. */ if (yaffsVersion == 2) { @@ -1817,14 +1799,15 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, dev->spareBuffer = YMALLOC(mtd->oobsize); dev->isYaffs2 = 1; #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) - dev->totalBytesPerChunk = mtd->writesize; + dev->nDataBytesPerChunk = mtd->writesize; dev->nChunksPerBlock = mtd->erasesize / mtd->writesize; #else - dev->totalBytesPerChunk = mtd->oobblock; + dev->nDataBytesPerChunk = mtd->oobblock; dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock; #endif nBlocks = mtd->size / mtd->erasesize; + dev->nCheckpointReservedBlocks = CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS; dev->startBlock = 0; dev->endBlock = nBlocks - 1; } else { @@ -2007,12 +1990,12 @@ static char *yaffs_dump_dev(char *buf, yaffs_Device * dev) { buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock); buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock); - buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk); buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk); buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits); buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize); buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks); buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->nReservedBlocks); + buf += sprintf(buf, "nCheckptResBlocks.. %d\n", dev->nCheckpointReservedBlocks); buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint); buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated); buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes); @@ -2023,8 +2006,10 @@ static char *yaffs_dump_dev(char *buf, yaffs_Device * dev) buf += sprintf(buf, "nPageReads......... %d\n", dev->nPageReads); buf += sprintf(buf, "nBlockErasures..... %d\n", dev->nBlockErasures); buf += sprintf(buf, "nGCCopies.......... %d\n", dev->nGCCopies); - buf += sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections); - buf += sprintf(buf, "passiveGCs......... %d\n", + buf += + sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections); + buf += + sprintf(buf, "passiveGCs......... %d\n", dev->passiveGarbageCollections); buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites); buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches); @@ -2040,7 +2025,6 @@ static char *yaffs_dump_dev(char *buf, yaffs_Device * dev) sprintf(buf, "nBackgroudDeletions %d\n", dev->nBackgroundDeletions); buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC); buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2); - buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags); return buf; }