X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_fs.c;h=3f8cf2a9f14be85a1912c7a948f1be580b76ea27;hp=344e32508aac40754b5ea38077cdd206a6e1661e;hb=e528916d3c9c87aa1547b1cc2536389ef5efbcb3;hpb=60cbacc6973295a28491aa4964d0141cc0b6cb27 diff --git a/yaffs_fs.c b/yaffs_fs.c index 344e325..3f8cf2a 100644 --- a/yaffs_fs.c +++ b/yaffs_fs.c @@ -30,7 +30,7 @@ */ -const char *yaffs_fs_c_version = "$Id: yaffs_fs.c,v 1.17 2005-07-31 04:08:08 marty Exp $"; +const char *yaffs_fs_c_version = "$Id: yaffs_fs.c,v 1.23 2005-08-01 20:52:35 luc Exp $"; extern const char *yaffs_guts_c_version; @@ -88,11 +88,11 @@ unsigned yaffs_traceMask = YAFFS_TRACE_ALWAYS | YAFFS_TRACE_BAD_BLOCKS; #include "yaffs_nandemul2k.h" #endif -#ifdef CONFIG_YAFFS_MTD_ENABLED +#ifdef CONFIG_YAFFS_YAFFS1 #include #include "yaffs_mtdif.h" #include "yaffs_mtdif2.h" -#endif //CONFIG_YAFFS_MTD_ENABLED +#endif //CONFIG_YAFFS_YAFFS1 //#define T(x) printk x @@ -100,9 +100,7 @@ unsigned yaffs_traceMask = YAFFS_TRACE_ALWAYS | YAFFS_TRACE_BAD_BLOCKS; #define yaffs_InodeToObject(iptr) ((yaffs_Object *)((iptr)->u.generic_ip)) #define yaffs_DentryToObject(dptr) yaffs_InodeToObject((dptr)->d_inode) -//NCB #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp) -//#if defined(CONFIG_KERNEL_2_5) #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info) #else @@ -112,10 +110,6 @@ unsigned yaffs_traceMask = YAFFS_TRACE_ALWAYS | YAFFS_TRACE_BAD_BLOCKS; static void yaffs_put_super(struct super_block *sb); -#if 0 -static ssize_t yaffs_file_read(struct file *f, char *buf, size_t n, loff_t *pos); -#endif - static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, loff_t *pos); static int yaffs_file_flush(struct file* file); @@ -124,7 +118,6 @@ static int yaffs_sync_object(struct file * file, struct dentry *dentry, int data static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir); -//#if defined(CONFIG_KERNEL_2_5) /* Added NCB 185-8-2003 */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *n); static struct dentry * yaffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *n); @@ -137,7 +130,6 @@ static int yaffs_unlink(struct inode * dir, struct dentry *dentry); static int yaffs_symlink(struct inode * dir, struct dentry *dentry, const char * symname); static int yaffs_mkdir(struct inode * dir, struct dentry * dentry, int mode); -//#if defined(CONFIG_KERNEL_2_5) #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev); #else @@ -146,7 +138,6 @@ static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, int d static int yaffs_rename(struct inode * old_dir, struct dentry *old_dentry, struct inode * new_dir,struct dentry *new_dentry); static int yaffs_setattr(struct dentry *dentry, struct iattr *attr); -//#if defined(CONFIG_KERNEL_2_5) /* Added NCB 185-8-2003 */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf); #else @@ -290,7 +281,6 @@ struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,yaffs_Ob /* * Lookup is used to find objects in the fs */ -//#if defined(CONFIG_KERNEL_2_5) /* Added NCB 185-8-2003 */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static struct dentry * yaffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *n) @@ -614,7 +604,6 @@ static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj) 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_rdev = old_decode_dev(obj->yst_rdev); @@ -701,55 +690,6 @@ struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,yaffs_Ob return inode; } -#if 0 - -// No longer used because we use generic rw */ -static ssize_t yaffs_file_read(struct file *f, char *buf, size_t n, loff_t *pos) -{ - yaffs_Object *obj; - int nRead,ipos; - struct inode *inode; - yaffs_Device *dev; - - T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_file_read\n")); - - obj = yaffs_DentryToObject(f->f_dentry); - - dev = obj->myDev; - - yaffs_GrossLock(dev); - - inode = f->f_dentry->d_inode; - - if (*pos < inode->i_size) - { - if (*pos + n > inode->i_size) - { - n = inode->i_size - *pos; - } - } - else - { - n = 0; - } - - nRead = yaffs_ReadDataFromFile(obj,buf,*pos,n); - if(nRead > 0) - { - f->f_pos += nRead; - } - - yaffs_GrossUnlock(dev); - - ipos = *pos; - - T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_file_read read %d bytes, %d read at %d\n",n,nRead,ipos)); - return nRead; - -} - -#endif - static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, loff_t *pos) { yaffs_Object *obj; @@ -889,7 +829,6 @@ static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) /* * File creation. Allocate an inode, and we're done.. */ -//#if defined(CONFIG_KERNEL_2_5) #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev) #else @@ -983,7 +922,6 @@ static int yaffs_mkdir(struct inode * dir, struct dentry * dentry, int mode) return retVal; } -//#if defined(CONFIG_KERNEL_2_5) /* Added NCB 185-8-2003 */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *n) #else @@ -1210,7 +1148,6 @@ static int yaffs_setattr(struct dentry *dentry, struct iattr *attr) return error; } -//#if defined(CONFIG_KERNEL_2_5) /* Added NCB 185-8-2003 */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf) #else @@ -1289,7 +1226,7 @@ static void yaffs_put_super(struct super_block *sb) } -#ifdef CONFIG_YAFFS_MTD_ENABLED +#ifdef CONFIG_YAFFS_YAFFS1 static void yaffs_MTDPutSuper(struct super_block *sb) { @@ -1330,13 +1267,8 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,int useRam -#ifdef CONFIG_YAFFS_USE_CHUNK_SIZE - sb->s_blocksize = YAFFS_BYTES_PER_CHUNK; - sb->s_blocksize_bits = YAFFS_CHUNK_SIZE_SHIFT; -#else sb->s_blocksize = PAGE_CACHE_SIZE; sb->s_blocksize_bits = PAGE_CACHE_SHIFT; -#endif T(YAFFS_TRACE_OS,("yaffs_read_super: Using yaffs%d\n",yaffsVersion)); T(YAFFS_TRACE_OS,("yaffs_read_super: %s block size %d\n", useRam ? "RAM" : "MTD",(int)(sb->s_blocksize))); @@ -1405,7 +1337,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,int useRam } else { -#if defined(CONFIG_YAFFS_MTD_ENABLED) || defined(CONFIG_YAFFS2_MTD_ENABLED) +#if defined(CONFIG_YAFFS_YAFFS1) || defined(CONFIG_YAFFS_YAFFS2) struct mtd_info *mtd; T(YAFFS_TRACE_ALWAYS,("yaffs: Attempting MTD mount on %u.%u, \"%s\"\n", @@ -1452,10 +1384,8 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,int useRam !mtd->block_markbad || !mtd->read || !mtd->write || -#ifndef CONFIG_YAFFS_USE_OLD_MTD !mtd->write_ecc || !mtd->read_ecc || -#endif !mtd->read_oob || !mtd->write_oob ) { @@ -1475,10 +1405,8 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,int useRam if(!mtd->erase || !mtd->read || !mtd->write || -#ifndef CONFIG_YAFFS_USE_OLD_MTD !mtd->write_ecc || !mtd->read_ecc || -#endif !mtd->read_oob || !mtd->write_oob ) { @@ -1499,7 +1427,6 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,int useRam // like it has the right capabilities // Set the yaffs_Device up for mtd -//#if defined(CONFIG_KERNEL_2_5) #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device),GFP_KERNEL); #else @@ -1604,7 +1531,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,int useRam -#ifdef CONFIG_YAFFS_MTD_ENABLED +#ifdef CONFIG_YAFFS_YAFFS1 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs_internal_read_super_mtd(struct super_block * sb, void * data, int silent) @@ -1618,14 +1545,11 @@ static struct super_block *yaffs_read_super(struct file_system_type * fs, int fl return get_sb_bdev(fs, flags, dev_name, data, yaffs_internal_read_super_mtd); } -/* changes NCB 2.5.70 */ -//static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, FS_REQUIRES_DEV); static struct file_system_type yaffs_fs_type = { .owner = THIS_MODULE, .name = "yaffs", .get_sb = yaffs_read_super, .kill_sb = kill_block_super, -// .kill_sb = kill_litter_super, .fs_flags = FS_REQUIRES_DEV, }; #else @@ -1637,9 +1561,9 @@ static struct super_block *yaffs_read_super(struct super_block * sb, void * data static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, FS_REQUIRES_DEV); #endif -#endif // CONFIG_YAFFS_MTD_ENABLED +#endif // CONFIG_YAFFS_YAFFS1 -#ifdef CONFIG_YAFFS2_MTD_ENABLED +#ifdef CONFIG_YAFFS_YAFFS2 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) static int yaffs2_internal_read_super_mtd(struct super_block * sb, void * data, int silent) @@ -1653,14 +1577,11 @@ static struct super_block *yaffs2_read_super(struct file_system_type * fs, int f return get_sb_bdev(fs, flags, dev_name, data, yaffs2_internal_read_super_mtd); } -/* changes NCB 2.5.70 */ -//static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, FS_REQUIRES_DEV); static struct file_system_type yaffs2_fs_type = { .owner = THIS_MODULE, .name = "yaffs2", .get_sb = yaffs2_read_super, .kill_sb = kill_block_super, -// .kill_sb = kill_litter_super, .fs_flags = FS_REQUIRES_DEV, }; #else @@ -1672,7 +1593,7 @@ static struct super_block *yaffs2_read_super(struct super_block * sb, void * dat static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super, FS_REQUIRES_DEV); #endif -#endif // CONFIG_YAFFS2_MTD_ENABLED +#endif // CONFIG_YAFFS_YAFFS2 #ifdef CONFIG_YAFFS_RAM_ENABLED @@ -1744,7 +1665,6 @@ static DECLARE_FSTYPE(yaffs2_ram_fs_type, "yaffs2ram", yaffs2_ram_read_super, FS static struct proc_dir_entry *my_proc_entry; -static struct proc_dir_entry *my_proc_ram_write_entry; static char * yaffs_dump_dev(char *buf,yaffs_Device *dev) { @@ -1827,6 +1747,7 @@ static int yaffs_proc_read( return buf-page < count ? buf-page : count; } +#ifdef CONFIG_YAFFS2_RAM_ENABLED static int yaffs_proc_ram_write( char *page, char **start, @@ -1840,8 +1761,7 @@ static int yaffs_proc_ram_write( printk(KERN_DEBUG "yaffs write size %d\n",count); return count; } - - +#endif // Stuff to handle installation of file systems struct file_system_to_install @@ -1858,10 +1778,10 @@ static struct file_system_to_install fs_to_install[] = #ifdef CONFIG_YAFFS2_RAM_ENABLED { &yaffs2_ram_fs_type,0}, #endif -#ifdef CONFIG_YAFFS_MTD_ENABLED +#ifdef CONFIG_YAFFS_YAFFS1 { &yaffs_fs_type,0}, #endif -#ifdef CONFIG_YAFFS2_MTD_ENABLED +#ifdef CONFIG_YAFFS_YAFFS2 { &yaffs2_fs_type,0}, #endif { NULL,0}