#include <linux/pagemap.h>
#include <linux/mtd/mtd.h>
#include <linux/interrupt.h>
#include <linux/pagemap.h>
#include <linux/mtd/mtd.h>
#include <linux/interrupt.h>
static void yaffs_clear_inode(struct inode *);
static int yaffs_readpage(struct file *file, struct page * page);
static void yaffs_clear_inode(struct inode *);
static int yaffs_readpage(struct file *file, struct page * page);
static int yaffs_prepare_write(struct file *f, struct page *pg, unsigned offset, unsigned to);
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, unsigned to);
static int yaffs_prepare_write(struct file *f, struct page *pg, unsigned offset, unsigned to);
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, unsigned to);
- readpage: yaffs_readpage,
- writepage: yaffs_writepage,
- prepare_write: yaffs_prepare_write,
- commit_write: yaffs_commit_write
+ .readpage = yaffs_readpage,
+ .writepage = yaffs_writepage,
+ .prepare_write = yaffs_prepare_write,
+ .commit_write = yaffs_commit_write,
-
- read: generic_file_read,
- write: generic_file_write,
-
- mmap: generic_file_mmap,
- flush: yaffs_file_flush,
- fsync: yaffs_sync_object,
+ .read = generic_file_read,
+ .write = generic_file_write,
+ .mmap = generic_file_mmap,
+ .flush = yaffs_file_flush,
+ .fsync = yaffs_sync_object,
-
-struct inode_operations yaffs_symlink_inode_operations =
-{
- readlink: yaffs_readlink,
- follow_link: yaffs_follow_link,
- setattr: yaffs_setattr
+struct inode_operations yaffs_symlink_inode_operations = {
+ .readlink = yaffs_readlink,
+ .follow_link = yaffs_follow_link,
+ .setattr = yaffs_setattr,
- create: yaffs_create,
- lookup: yaffs_lookup,
- link: yaffs_link,
- unlink: yaffs_unlink,
- symlink: yaffs_symlink,
- mkdir: yaffs_mkdir,
- rmdir: yaffs_unlink,
- mknod: yaffs_mknod,
- rename: yaffs_rename,
- setattr: yaffs_setattr,
+ .create = yaffs_create,
+ .lookup = yaffs_lookup,
+ .link = yaffs_link,
+ .unlink = yaffs_unlink,
+ .symlink = yaffs_symlink,
+ .mkdir = yaffs_mkdir,
+ .rmdir = yaffs_unlink,
+ .mknod = yaffs_mknod,
+ .rename = yaffs_rename,
+ .setattr = yaffs_setattr,
- read: generic_read_dir,
- readdir: yaffs_readdir,
- fsync: yaffs_sync_object,
+ .read = generic_read_dir,
+ .readdir = yaffs_readdir,
+ .fsync = yaffs_sync_object,
- statfs: yaffs_statfs,
- read_inode: yaffs_read_inode,
- put_inode: yaffs_put_inode,
- put_super: yaffs_put_super,
-// remount_fs:
- delete_inode: yaffs_delete_inode,
- clear_inode: yaffs_clear_inode,
+ .statfs = yaffs_statfs,
+ .read_inode = yaffs_read_inode,
+ .put_inode = yaffs_put_inode,
+ .put_super = yaffs_put_super,
+ .delete_inode = yaffs_delete_inode,
+ .clear_inode = yaffs_clear_inode,
- inode = yaffs_get_inode(dir->i_sb, obj->st_mode,0,obj);
+ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode,0,obj);
- nWritten = yaffs_WriteDataToFile(obj,buffer,page->index << PAGE_CACHE_SHIFT,nBytes);
+ nWritten = yaffs_WriteDataToFile(obj,buffer,page->index << PAGE_CACHE_SHIFT,nBytes,0);
- inode->i_mode = obj->st_mode;
- inode->i_uid = obj->st_uid;
- inode->i_gid = obj->st_gid;
+ inode->i_mode = obj->yst_mode;
+ inode->i_uid = obj->yst_uid;
+ inode->i_gid = obj->yst_gid;
inode->i_blksize = inode->i_sb->s_blocksize;
//#if defined(CONFIG_KERNEL_2_5)
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
inode->i_blksize = inode->i_sb->s_blocksize;
//#if defined(CONFIG_KERNEL_2_5)
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- inode->i_rdev = obj->st_rdev;
- inode->i_atime = obj->st_atime;
- inode->i_mtime = obj->st_mtime;
- inode->i_ctime = obj->st_ctime;
+ inode->i_rdev = obj->yst_rdev;
+ inode->i_atime = obj->yst_atime;
+ inode->i_mtime = obj->yst_mtime;
+ inode->i_ctime = obj->yst_ctime;
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
inode->i_mode, inode->i_uid, inode->i_gid, (int)inode->i_size, atomic_read(&inode->i_count)));
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
inode->i_mode, inode->i_uid, inode->i_gid, (int)inode->i_size, atomic_read(&inode->i_count)));
{
default: // fifo, device or socket
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
{
default: // fifo, device or socket
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_file_write about to write writing %d bytes to object %d at %d\n",n,obj->objectId,ipos));
}
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_file_write about to write writing %d bytes to object %d at %d\n",n,obj->objectId,ipos));
}
- nWritten = yaffs_WriteDataToFile(obj,buf,ipos,n);
+ nWritten = yaffs_WriteDataToFile(obj,buf,ipos,n,0);
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_file_write writing %d bytes, %d written at %d\n",n,nWritten,ipos));
if(nWritten > 0)
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_file_write writing %d bytes, %d written at %d\n",n,nWritten,ipos));
if(nWritten > 0)
obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,current->uid, current->gid,old_encode_dev(rdev));
#else
obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,current->uid, current->gid,rdev);
obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,current->uid, current->gid,old_encode_dev(rdev));
#else
obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,current->uid, current->gid,rdev);
case S_IFREG: // file
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_mknod: making file\n"));
obj = yaffs_MknodFile(parent,dentry->d_name.name,mode,current->uid, current->gid);
case S_IFREG: // file
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_mknod: making file\n"));
obj = yaffs_MknodFile(parent,dentry->d_name.name,mode,current->uid, current->gid);
- inode = yaffs_get_inode(dir->i_sb, obj->st_mode, 0, obj);
+ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
d_instantiate(dentry, inode);
T(YAFFS_TRACE_OS,(KERN_DEBUG"symlink created OK\n"));
return 0;
d_instantiate(dentry, inode);
T(YAFFS_TRACE_OS,(KERN_DEBUG"symlink created OK\n"));
return 0;
yaffs_Device *dev = yaffs_SuperToDevice(sb);
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_statfs\n"));
yaffs_GrossLock(dev);
yaffs_Device *dev = yaffs_SuperToDevice(sb);
T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_statfs\n"));
yaffs_GrossLock(dev);
- buf->f_blocks = (dev->endBlock - dev->startBlock + 1) * YAFFS_CHUNKS_PER_BLOCK/
- (sb->s_blocksize/YAFFS_BYTES_PER_CHUNK);
+ if(sb->s_blocksize > dev->nBytesPerChunk)
+ {
+
+ buf->f_blocks = (dev->endBlock - dev->startBlock + 1) * dev->nChunksPerBlock/
+ (sb->s_blocksize/dev->nBytesPerChunk);
+ buf->f_bfree = yaffs_GetNumberOfFreeChunks(dev)/
+ (sb->s_blocksize/dev->nBytesPerChunk);
+ }
+ else
+ {
+
+ buf->f_blocks = (dev->endBlock - dev->startBlock + 1) * dev->nChunksPerBlock *
+ (dev->nBytesPerChunk/sb->s_blocksize);
+ buf->f_bfree = yaffs_GetNumberOfFreeChunks(dev) *
+ (dev->nBytesPerChunk/sb->s_blocksize);
+ }
memset(dev,0,sizeof(yaffs_Device));
dev->genericDevice = NULL; // Not used for RAM emulation.
memset(dev,0,sizeof(yaffs_Device));
dev->genericDevice = NULL; // Not used for RAM emulation.
dev->endBlock = nBlocks - 1;
dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
dev->nBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
dev->endBlock = nBlocks - 1;
dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
dev->nBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
dev->nChunksPerBlock = nandemul2k_GetChunksPerBlock();
dev->nBytesPerChunk = nandemul2k_GetBytesPerChunk();;
nBlocks = nandemul2k_GetNumberOfBlocks();
dev->nChunksPerBlock = nandemul2k_GetChunksPerBlock();
dev->nBytesPerChunk = nandemul2k_GetBytesPerChunk();;
nBlocks = nandemul2k_GetNumberOfBlocks();
- T(YAFFS_TRACE_OS,(" erase %x\n",mtd->erase));
- T(YAFFS_TRACE_OS,(" read %x\n",mtd->read));
- T(YAFFS_TRACE_OS,(" write %x\n",mtd->write));
- T(YAFFS_TRACE_OS,(" readoob %x\n",mtd->read_oob));
- T(YAFFS_TRACE_OS,(" writeoob %x\n",mtd->write_oob));
- T(YAFFS_TRACE_OS,(" block_isbad %x\n",mtd->block_isbad));
- T(YAFFS_TRACE_OS,(" block_markbad %x\n",mtd->block_markbad));
+ T(YAFFS_TRACE_OS,(" erase %p\n",mtd->erase));
+ T(YAFFS_TRACE_OS,(" read %p\n",mtd->read));
+ T(YAFFS_TRACE_OS,(" write %p\n",mtd->write));
+ T(YAFFS_TRACE_OS,(" readoob %p\n",mtd->read_oob));
+ T(YAFFS_TRACE_OS,(" writeoob %p\n",mtd->write_oob));
+ T(YAFFS_TRACE_OS,(" block_isbad %p\n",mtd->block_isbad));
+ T(YAFFS_TRACE_OS,(" block_markbad %p\n",mtd->block_markbad));
T(YAFFS_TRACE_OS,(" oobblock %d\n",mtd->oobblock));
T(YAFFS_TRACE_OS,(" oobsize %d\n",mtd->oobsize));
T(YAFFS_TRACE_OS,(" erasesize %d\n",mtd->erasesize));
T(YAFFS_TRACE_OS,(" oobblock %d\n",mtd->oobblock));
T(YAFFS_TRACE_OS,(" oobsize %d\n",mtd->oobsize));
T(YAFFS_TRACE_OS,(" erasesize %d\n",mtd->erasesize));
memset(dev,0,sizeof(yaffs_Device));
dev->genericDevice = mtd;
memset(dev,0,sizeof(yaffs_Device));
dev->genericDevice = mtd;
// Set up the memory size parameters....
nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
// Set up the memory size parameters....
nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
dev->endBlock = nBlocks - 1;
dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
dev->nBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
dev->endBlock = nBlocks - 1;
dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
dev->nBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
dev->nBytesPerChunk = mtd->oobblock;
dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
nBlocks = mtd->size / mtd->erasesize;
dev->nBytesPerChunk = mtd->oobblock;
dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
nBlocks = mtd->size / mtd->erasesize;
static struct super_block *yaffs_ram_read_super(struct file_system_type * fs, int flags, const char *dev_name, void *data)
{
static struct super_block *yaffs_ram_read_super(struct file_system_type * fs, int flags, const char *dev_name, void *data)
{
- return get_sb_bdev(fs, flags, dev_name, data, yaffs_internal_read_super_ram);
+ return get_sb_nodev(fs, flags, data, yaffs_internal_read_super_ram);
static struct super_block *yaffs2_ram_read_super(struct file_system_type * fs, int flags, const char *dev_name, void *data)
{
static struct super_block *yaffs2_ram_read_super(struct file_system_type * fs, int flags, const char *dev_name, void *data)
{
- return get_sb_bdev(fs, flags, dev_name, data, yaffs2_internal_read_super_ram);
+ return get_sb_nodev(fs, flags, data, yaffs2_internal_read_super_ram);
buf +=sprintf(buf,"startBlock......... %d\n",dev->startBlock);
buf +=sprintf(buf,"endBlock........... %d\n",dev->endBlock);
buf +=sprintf(buf,"chunkGroupBits..... %d\n",dev->chunkGroupBits);
buf +=sprintf(buf,"startBlock......... %d\n",dev->startBlock);
buf +=sprintf(buf,"endBlock........... %d\n",dev->endBlock);
buf +=sprintf(buf,"chunkGroupBits..... %d\n",dev->chunkGroupBits);
buf +=sprintf(buf,"useNANDECC......... %d\n",dev->useNANDECC);
buf +=sprintf(buf,"isYaffs2........... %d\n",dev->isYaffs2);
buf +=sprintf(buf,"useNANDECC......... %d\n",dev->useNANDECC);
buf +=sprintf(buf,"isYaffs2........... %d\n",dev->isYaffs2);
+ struct list_head *item;
+ char *buf = page;
+ int step = offset;
+ int n = 0;
+
+ /* Get proc_file_read() to step 'offset' by one on each sucessive call.
+ * We use 'offset' (*ppos) to indicate where we are in devList.
+ * This also assumes the user has posted a read buffer large
+ * enough to hold the complete output; but that's life in /proc.
+ */
+
+ *(int *)start = 1;
+
+ /* Print header first */
+ if (step == 0) {
+ buf += sprintf(buf, "YAFFS built:" __DATE__ " "__TIME__
+ "\n%s\n%s\n", yaffs_fs_c_version, yaffs_guts_c_version);
+ }
- /* Fill the buffer and get its length */
- buf +=sprintf(buf,"YAFFS built:"__DATE__ " "__TIME__"\n%s\n%s\n", yaffs_fs_c_version,yaffs_guts_c_version);
-
- if(yaffs_dev) buf = yaffs_dump_dev(buf,yaffs_dev,"yaffs");
- if(yaffsram_dev) buf = yaffs_dump_dev(buf,yaffsram_dev,"yaffsram");
-
+ /* Locate and print the Nth entry. Order N-squared but N is small. */
+ list_for_each(item, &yaffs_dev_list) {
+ yaffs_Device *dev = list_entry(item, yaffs_Device, devList);
+ if (n < step) {
+ n++;
+ continue;
+ }
+ buf += sprintf(buf,"\nDevice %d \"%s\"\n", n, dev->name);
+ buf = yaffs_dump_dev(buf, dev);
+ break;
+ }
+ unlock_kernel();