X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffsfs.c;h=b8e49bb8ac432eaa527f6f2ab789b24f62f7f2d7;hp=191c34f6bd1b6f79209c5642a4df244e1b79a85a;hb=70c6bf2ff57c8a2fb778accdd5b4227abf273674;hpb=a6fbf618f9e46629a254f1ad246f4ca93a897881 diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c index 191c34f..b8e49bb 100644 --- a/direct/yaffsfs.c +++ b/direct/yaffsfs.c @@ -53,30 +53,35 @@ typedef struct { } yaffsfs_Inode; typedef struct{ - __u8 readOnly:1; + __u8 reading:1; + __u8 writing:1; __u8 append:1; - int inodeId:13; /* Index to corresponding yaffsfs_Inode */ - int useCount:16; /* Use count for this handle */ + __u8 shareRead:1; + __u8 shareWrite:1; + int inodeId:12; /* Index to corresponding yaffsfs_Inode */ + int useCount:10; /* Use count for this handle */ __u32 position; /* current position in file */ }yaffsfs_Handle; static yaffsfs_Inode yaffsfs_inode[YAFFSFS_N_HANDLES]; static yaffsfs_Handle yaffsfs_handle[YAFFSFS_N_HANDLES]; +static int yaffsfs_handlesInitialised; /* * yaffsfs_InitHandle * Inilitalise handle management on start-up. */ -static int yaffsfs_InitHandles(void) +static void yaffsfs_InitHandles(void) { int i; + if(yaffsfs_handlesInitialised) + return; + memset(yaffsfs_inode,0,sizeof(yaffsfs_inode)); memset(yaffsfs_handle,0,sizeof(yaffsfs_handle)); for(i = 0; i < YAFFSFS_N_HANDLES; i++) yaffsfs_handle[i].inodeId = -1; - - return 0; } yaffsfs_Handle *yaffsfs_GetHandlePointer(int h) @@ -108,31 +113,46 @@ yaffs_Object *yaffsfs_GetHandleObject(int handle) } /* - * yaffsfs_GetInodeIdForObject - * Grab an inode entry when opening a new inode. + * yaffsfs_FindInodeIdForObject + * Find the inode entry for an object, if it exists. */ -static int yaffsfs_GetInodeIdForObject(yaffs_Object *obj) +static int yaffsfs_FindInodeIdForObject(yaffs_Object *obj) { int i; int ret = -1; - yaffsfs_Inode *in = NULL; if(obj) - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); - /* Look for it. If we can't find it then make one */ + /* Look for it in open inode table*/ for(i = 0; i < YAFFSFS_N_HANDLES && ret < 0; i++){ if(yaffsfs_inode[i].iObj == obj) ret = i; } + return ret; +} + +/* + * yaffsfs_GetInodeIdForObject + * Grab an inode entry when opening a new inode. + */ +static int yaffsfs_GetInodeIdForObject(yaffs_Object *obj) +{ + int i; + int ret; + yaffsfs_Inode *in = NULL; + + if(obj) + obj = yaffs_get_equivalent_obj(obj); + + ret = yaffsfs_FindInodeIdForObject(obj); for(i = 0; i < YAFFSFS_N_HANDLES && ret < 0; i++){ if(!yaffsfs_inode[i].iObj) ret = i; } - - + if(ret>=0){ in = &yaffsfs_inode[ret]; if(!in->iObj) @@ -145,6 +165,17 @@ static int yaffsfs_GetInodeIdForObject(yaffs_Object *obj) return ret; } + +static int yaffsfs_CountHandles(yaffs_Object *obj) +{ + int i = yaffsfs_FindInodeIdForObject(obj); + + if(i >= 0) + return yaffsfs_inode[i].count; + else + return 0; +} + static void yaffsfs_ReleaseInode(yaffsfs_Inode *in) { yaffs_Object *obj; @@ -152,7 +183,7 @@ static void yaffsfs_ReleaseInode(yaffsfs_Inode *in) obj = in->iObj; if(obj->unlinked) - yaffs_DeleteObject(obj); + yaffs_del_obj(obj); obj->myInode = NULL; in->iObj = NULL; @@ -196,7 +227,7 @@ static int yaffsfs_GetNewHandle(void) } /* - * yaffs_GetHandle + * yaffs_get_handle * Increase use of handle when reading/writing a file */ static int yaffsfs_GetHandle(int handle) @@ -210,7 +241,7 @@ static int yaffsfs_GetHandle(int handle) } /* - * yaffs_PutHandle + * yaffs_put_handle * Let go of a handle when closing a file or aborting an open or * ending a read or write. */ @@ -246,7 +277,7 @@ int yaffsfs_Match(YCHAR a, YCHAR b) int yaffsfs_IsPathDivider(YCHAR ch) { - YCHAR *str = YAFFS_PATH_DIVIDERS; + const YCHAR *str = YAFFS_PATH_DIVIDERS; while(*str){ if(*str == ch) @@ -467,7 +498,7 @@ static yaffs_Object *yaffsfs_DoFindDirectory(yaffs_Object *startDir, else if(yaffs_strcmp(str,_Y("..")) == 0) dir = dir->parent; else{ - dir = yaffs_FindObjectByName(dir,str); + dir = yaffs_find_by_name(dir,str); while(dir && dir->variantType == YAFFS_OBJECT_TYPE_SYMLINK) dir = yaffsfs_FollowLink(dir,symDepth); @@ -499,7 +530,7 @@ static yaffs_Object *yaffsfs_FindObject(yaffs_Object *relativeDirectory, const Y dir = yaffsfs_FindDirectory(relativeDirectory,path,&name,symDepth); if(dir && *name) - return yaffs_FindObjectByName(dir,name); + return yaffs_find_by_name(dir,name); return dir; } @@ -533,7 +564,7 @@ int yaffs_dup(int fd) } -int yaffs_open(const YCHAR *path, int oflag, int mode) +int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing) { yaffs_Object *obj = NULL; yaffs_Object *dir = NULL; @@ -543,6 +574,14 @@ int yaffs_open(const YCHAR *path, int oflag, int mode) int openDenied = 0; int symDepth = 0; int errorReported = 0; + __u8 shareRead = (sharing & YAFFS_SHARE_READ) ? 1 : 0; + __u8 shareWrite = (sharing & YAFFS_SHARE_WRITE) ? 1 : 0; + __u8 sharedReadAllowed; + __u8 sharedWriteAllowed; + __u8 alreadyReading; + __u8 alreadyWriting; + __u8 readRequested; + __u8 writeRequested; /* O_EXCL only has meaning if O_CREAT is specified */ if(!(oflag & O_CREAT)) @@ -563,7 +602,6 @@ int yaffs_open(const YCHAR *path, int oflag, int mode) h = yaffsfs_GetHandlePointer(handle); - /* try to find the exisiting object */ obj = yaffsfs_FindObject(NULL,path,0); @@ -571,7 +609,7 @@ int yaffs_open(const YCHAR *path, int oflag, int mode) obj = yaffsfs_FollowLink(obj,symDepth++); if(obj) - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); if(obj && obj->variantType != YAFFS_OBJECT_TYPE_FILE && @@ -611,6 +649,43 @@ int yaffs_open(const YCHAR *path, int oflag, int mode) !(obj->yst_mode & S_IWRITE)) openDenied = 1; + /* Check sharing of an existing object. */ + { + yaffsfs_Handle *h; + int i; + sharedReadAllowed = 1; + sharedWriteAllowed = 1; + alreadyReading = 0; + alreadyWriting = 0; + for( i = 0; i < YAFFSFS_N_HANDLES; i++){ + h = &yaffsfs_handle[i]; + if(h->useCount > 0 && + h->inodeId >= 0 && + yaffsfs_inode[h->inodeId].iObj == obj){ + if(!h->shareRead) + sharedReadAllowed = 0; + if(!h->shareWrite) + sharedWriteAllowed = 0; + if(h->reading) + alreadyReading = 1; + if(h->writing) + alreadyWriting = 0; + } + } + + readRequested = (oflag & (O_RDWR | O_RDONLY)) ? 1 : 0; + writeRequested = (oflag & (O_RDWR | O_WRONLY)) ? 1 : 0; + + if((!sharedReadAllowed && readRequested)|| + (!shareRead && alreadyReading) || + (!sharedWriteAllowed && writeRequested) || + (!shareWrite && alreadyWriting)){ + openDenied = 1; + yaffsfs_SetError(-EBUSY); + errorReported=1; + } + } + } else if((oflag & O_CREAT)) { /* Let's see if we can create this file */ dir = yaffsfs_FindDirectory(NULL,path,&name,0); @@ -618,7 +693,7 @@ int yaffs_open(const YCHAR *path, int oflag, int mode) yaffsfs_SetError(-EINVAL); errorReported = 1; } else if(dir) - obj = yaffs_MknodFile(dir,name,mode,0,0); + obj = yaffs_create_file(dir,name,mode,0,0); else { yaffsfs_SetError(-ENOTDIR); errorReported = 1; @@ -636,15 +711,18 @@ int yaffs_open(const YCHAR *path, int oflag, int mode) } h->inodeId = inodeId; - h->readOnly = (oflag & (O_WRONLY | O_RDWR)) ? 0 : 1; + h->reading = (oflag & (O_RDONLY | O_RDWR)) ? 1 : 0; + h->writing = (oflag & (O_WRONLY | O_RDWR)) ? 1 : 0; h->append = (oflag & O_APPEND) ? 1 : 0; h->position = 0; + h->shareRead = shareRead; + h->shareWrite = shareWrite; /* Hook inode to object */ obj->myInode = (void*) &yaffsfs_inode[inodeId]; - if((oflag & O_TRUNC) && !h->readOnly) - yaffs_ResizeFile(obj,0); + if((oflag & O_TRUNC) && h->writing) + yaffs_resize_file(obj,0); } else { yaffsfs_PutHandle(handle); if(!errorReported) { @@ -660,6 +738,11 @@ int yaffs_open(const YCHAR *path, int oflag, int mode) return handle; } +int yaffs_open(const YCHAR *path, int oflag, int mode) +{ + return yaffs_open_sharing(path, oflag, mode, YAFFS_SHARE_READ | YAFFS_SHARE_WRITE); +} + int yaffs_Dofsync(int fd,int datasync) { yaffsfs_Handle *h = NULL; @@ -671,7 +754,7 @@ int yaffs_Dofsync(int fd,int datasync) if(h && h->useCount > 0) /* flush the file */ - yaffs_FlushFile(yaffsfs_inode[h->inodeId].iObj,1,datasync); + yaffs_flush_file(yaffsfs_inode[h->inodeId].iObj,1,datasync); else { /* bad handle */ yaffsfs_SetError(-EBADF); @@ -709,7 +792,7 @@ int yaffs_close(int fd) if(h && h->useCount > 0) { /* clean up */ - yaffs_FlushFile(yaffsfs_inode[h->inodeId].iObj,1,0); + yaffs_flush_file(yaffsfs_inode[h->inodeId].iObj,1,0); yaffsfs_PutHandle(fd); retVal = 0; } else { @@ -753,8 +836,8 @@ int yaffsfs_do_read(int fd, void *vbuf, unsigned int nbyte, int isPread, int off pos = startPos; - if(yaffs_GetObjectFileLength(obj) > pos) - maxRead = yaffs_GetObjectFileLength(obj) - pos; + if(yaffs_get_obj_length(obj) > pos) + maxRead = yaffs_get_obj_length(obj) - pos; else maxRead = 0; @@ -768,7 +851,7 @@ int yaffsfs_do_read(int fd, void *vbuf, unsigned int nbyte, int isPread, int off nToRead = YAFFSFS_RW_SIZE - (pos & (YAFFSFS_RW_SIZE -1)); if(nToRead > nbyte) nToRead = nbyte; - nRead = yaffs_ReadDataFromFile(obj,buf,pos,nToRead); + nRead = yaffs_file_rd(obj,buf,pos,nToRead); if(nRead > 0){ totalRead += nRead; @@ -837,12 +920,12 @@ int yaffsfs_do_write(int fd, const void *vbuf, unsigned int nbyte, int isPwrite, /* bad handle */ yaffsfs_SetError(-EBADF); totalWritten = -1; - } else if( h && obj && (h->readOnly || obj->myDev->readOnly)){ + } else if( h && obj && (!h->writing || obj->myDev->readOnly)){ yaffsfs_SetError(-EINVAL); totalWritten=-1; } else if( h && obj){ if(h->append) - startPos = yaffs_GetObjectFileLength(obj); + startPos = yaffs_get_obj_length(obj); else if(isPwrite) startPos = offset; else @@ -855,7 +938,7 @@ int yaffsfs_do_write(int fd, const void *vbuf, unsigned int nbyte, int isPwrite, if(nToWrite > nbyte) nToWrite = nbyte; - nWritten = yaffs_WriteDataToFile(obj,buf,pos,nToWrite,writeThrough); + nWritten = yaffs_wr_file(obj,buf,pos,nToWrite,writeThrough); if(nWritten > 0){ totalWritten += nWritten; pos += nWritten; @@ -914,7 +997,7 @@ int yaffs_truncate(const YCHAR *path,off_t newSize) obj = yaffsfs_FindObject(NULL,path,0); if(obj) - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); if(!obj) yaffsfs_SetError(-ENOENT); @@ -923,7 +1006,7 @@ int yaffs_truncate(const YCHAR *path,off_t newSize) else if(obj->myDev->readOnly) yaffsfs_SetError(-EINVAL); else - result = yaffs_ResizeFile(obj,newSize); + result = yaffs_resize_file(obj,newSize); yaffsfs_Unlock(); @@ -948,7 +1031,7 @@ int yaffs_ftruncate(int fd, off_t newSize) yaffsfs_SetError(-EINVAL); else /* resize the file */ - result = yaffs_ResizeFile(obj,newSize); + result = yaffs_resize_file(obj,newSize); yaffsfs_Unlock(); @@ -979,7 +1062,7 @@ off_t yaffs_lseek(int fd, off_t offset, int whence) pos = (h->position + offset); } else if(whence == SEEK_END) { - fSize = yaffs_GetObjectFileLength(obj); + fSize = yaffs_get_obj_length(obj); if(fSize >= 0 && (fSize + offset) >= 0) pos = fSize + offset; } @@ -1019,7 +1102,7 @@ int yaffsfs_DoUnlink(const YCHAR *path,int isDirectory) else if(isDirectory && obj->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) yaffsfs_SetError(-ENOTDIR); else { - result = yaffs_Unlink(dir,name); + result = yaffs_unlinker(dir,name); if(result == YAFFS_FAIL && isDirectory) yaffsfs_SetError(-ENOTEMPTY); @@ -1090,7 +1173,7 @@ int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath) } if(renameAllowed) - result = yaffs_RenameObject(olddir,oldname,newdir,newname); + result = yaffs_rename_obj(olddir,oldname,newdir,newname); yaffsfs_Unlock(); @@ -1103,7 +1186,7 @@ static int yaffsfs_DoStat(yaffs_Object *obj,struct yaffs_stat *buf) int retVal = -1; if(obj) - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); if(obj && buf){ buf->st_dev = (int)obj->myDev->osContext; @@ -1117,11 +1200,11 @@ static int yaffsfs_DoStat(yaffs_Object *obj,struct yaffs_stat *buf) else if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) buf->st_mode |= S_IFREG; - buf->st_nlink = yaffs_GetObjectLinkCount(obj); + buf->st_nlink = yaffs_get_obj_link_count(obj); buf->st_uid = 0; buf->st_gid = 0;; buf->st_rdev = obj->yst_rdev; - buf->st_size = yaffs_GetObjectFileLength(obj); + buf->st_size = yaffs_get_obj_length(obj); buf->st_blksize = obj->myDev->nDataBytesPerChunk; buf->st_blocks = (buf->st_size + buf->st_blksize -1)/buf->st_blksize; #if CONFIG_YAFFS_WINCE @@ -1212,7 +1295,7 @@ static int yaffs_do_setxattr(const YCHAR *path, const char *name, const void *da obj = yaffsfs_FollowLink(obj,0); if(obj) { - retVal = yaffs_SetXAttribute(obj,name,data,size,flags); + retVal = yaffs_set_xattrib(obj,name,data,size,flags); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1249,7 +1332,7 @@ int yaffs_fsetxattr(int fd, const char *name, const void *data, int size, int fl obj = yaffsfs_GetHandleObject(fd); if(obj) { - retVal = yaffs_SetXAttribute(obj,name,data,size,flags); + retVal = yaffs_set_xattrib(obj,name,data,size,flags); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1276,7 +1359,7 @@ static int yaffs_do_getxattr(const YCHAR *path, const char *name, void *data, in obj = yaffsfs_FollowLink(obj,0); if(obj) { - retVal = yaffs_GetXAttribute(obj,name,data,size); + retVal = yaffs_get_xattrib(obj,name,data,size); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1312,7 +1395,7 @@ int yaffs_fgetxattr(int fd, const char *name, void *data, int size) obj = yaffsfs_GetHandleObject(fd); if(obj) { - retVal = yaffs_GetXAttribute(obj,name,data,size); + retVal = yaffs_get_xattrib(obj,name,data,size); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1339,7 +1422,7 @@ static int yaffs_do_listxattr(const YCHAR *path, char *data, int size, int follo obj = yaffsfs_FollowLink(obj,0); if(obj) { - retVal = yaffs_ListXAttributes(obj, data,size); + retVal = yaffs_list_xattrib(obj, data,size); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1374,7 +1457,7 @@ int yaffs_flistxattr(int fd, char *data, int size) obj = yaffsfs_GetHandleObject(fd); if(obj) { - retVal = yaffs_ListXAttributes(obj,data,size); + retVal = yaffs_list_xattrib(obj,data,size); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1401,7 +1484,7 @@ static int yaffs_do_removexattr(const YCHAR *path, const char *name, int follow) obj = yaffsfs_FollowLink(obj,0); if(obj) { - retVal = yaffs_RemoveXAttribute(obj,name); + retVal = yaffs_remove_xattrib(obj,name); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1436,7 +1519,7 @@ int yaffs_fremovexattr(int fd, const char *name) obj = yaffsfs_GetHandleObject(fd); if(obj){ - retVal = yaffs_RemoveXAttribute(obj,name); + retVal = yaffs_remove_xattrib(obj,name); if(retVal< 0){ yaffsfs_SetError(retVal); retVal = -1; @@ -1516,7 +1599,7 @@ int yaffs_set_wince_times(int fd, } obj->dirty = 1; - result = yaffs_FlushFile(obj,0,0); + result = yaffs_flush_file(obj,0,0); retVal = 0; } else /* bad handle */ @@ -1535,12 +1618,12 @@ static int yaffsfs_DoChMod(yaffs_Object *obj,mode_t mode) int result = -1; if(obj) - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); if(obj) { obj->yst_mode = mode; obj->dirty = 1; - result = yaffs_FlushFile(obj,0,0); + result = yaffs_flush_file(obj,0,0); } return result == YAFFS_OK ? 0 : -1; @@ -1637,17 +1720,20 @@ int yaffs_mkdir(const YCHAR *path, mode_t mode) yaffsfs_Lock(); parent = yaffsfs_FindDirectory(NULL,path,&name,0); - if(parent && parent->myDev->readOnly){ + if(parent && yaffs_strnlen(name,5) == 0){ + /* Trying to make the root itself */ + yaffsfs_SetError(-EEXIST); + } else if(parent && parent->myDev->readOnly){ yaffsfs_SetError(-EINVAL); } else { if(parent) - dir = yaffs_MknodDirectory(parent,name,mode,0,0); + dir = yaffs_create_dir(parent,name,mode,0,0); if(dir) retVal = 0; else { if(!parent) yaffsfs_SetError(-ENOENT); /* missing path */ - else if (yaffs_FindObjectByName(parent,name)) + else if (yaffs_find_by_name(parent,name)) yaffsfs_SetError(-EEXIST); /* the name already exists */ else yaffsfs_SetError(-ENOSPC); /* just assume no space */ @@ -1660,6 +1746,14 @@ int yaffs_mkdir(const YCHAR *path, mode_t mode) return retVal; } +void * yaffs_getdev(const YCHAR *path) +{ + yaffs_Device *dev=NULL; + YCHAR *dummy; + dev = yaffsfs_FindDevice(path,&dummy); + return (void *)dev; +} + int yaffs_mount2(const YCHAR *path,int readOnly) { int retVal=-1; @@ -1670,11 +1764,14 @@ int yaffs_mount2(const YCHAR *path,int readOnly) T(YAFFS_TRACE_ALWAYS,(TSTR("yaffs: Mounting %s" TENDSTR),path)); yaffsfs_Lock(); + + yaffsfs_InitHandles(); + dev = yaffsfs_FindDevice(path,&dummy); if(dev){ if(!dev->isMounted){ dev->readOnly = readOnly ? 1 : 0; - result = yaffs_GutsInitialise(dev); + result = yaffs_guts_initialise(dev); if(result == YAFFS_FAIL) /* todo error - mount failed */ yaffsfs_SetError(-ENOMEM); @@ -1709,9 +1806,9 @@ int yaffs_sync(const YCHAR *path) if(dev){ if(dev->isMounted){ - yaffs_FlushEntireDeviceCache(dev); - yaffs_CheckpointSave(dev); - + yaffs_flush_whole_cache(dev); + yaffs_checkpoint_save(dev); + retVal = 0; } else /* todo error - not mounted. */ @@ -1739,7 +1836,7 @@ int yaffs_remount(const YCHAR *path, int force, int readOnly) int i; int inUse; - yaffs_FlushEntireDeviceCache(dev); + yaffs_flush_whole_cache(dev); for(i = inUse = 0; i < YAFFSFS_N_HANDLES && !inUse && !force; i++){ if(yaffsfs_handle[i].useCount>0 && yaffsfs_inode[yaffsfs_handle[i].inodeId].iObj->myDev == dev) @@ -1748,7 +1845,7 @@ int yaffs_remount(const YCHAR *path, int force, int readOnly) if(!inUse || force){ if(readOnly) - yaffs_CheckpointSave(dev); + yaffs_checkpoint_save(dev); dev->readOnly = readOnly ? 1 : 0; retVal = 0; } else @@ -1779,8 +1876,8 @@ int yaffs_unmount2(const YCHAR *path, int force) int i; int inUse; - yaffs_FlushEntireDeviceCache(dev); - yaffs_CheckpointSave(dev); + yaffs_flush_whole_cache(dev); + yaffs_checkpoint_save(dev); for(i = inUse = 0; i < YAFFSFS_N_HANDLES && !inUse; i++){ if(yaffsfs_handle[i].useCount > 0 && yaffsfs_inode[yaffsfs_handle[i].inodeId].iObj->myDev == dev) @@ -1788,7 +1885,7 @@ int yaffs_unmount2(const YCHAR *path, int force) } if(!inUse || force){ - yaffs_Deinitialise(dev); + yaffs_deinitialise(dev); retVal = 0; } else @@ -1823,7 +1920,7 @@ loff_t yaffs_freespace(const YCHAR *path) yaffsfs_Lock(); dev = yaffsfs_FindDevice(path,&dummy); if(dev && dev->isMounted){ - retVal = yaffs_GetNumberOfFreeChunks(dev); + retVal = yaffs_get_n_free_chunks(dev); retVal *= dev->nDataBytesPerChunk; } else @@ -1875,7 +1972,7 @@ int yaffs_inodecount(const YCHAR *path) } -void yaffs_AddDevice(yaffs_Device *dev) +void yaffs_add_device(yaffs_Device *dev) { dev->isMounted = 0; dev->param.removeObjectCallback = yaffsfs_RemoveObjectCallback; @@ -1886,7 +1983,7 @@ void yaffs_AddDevice(yaffs_Device *dev) ylist_add(&dev->devList,&yaffsfs_deviceList); } -void yaffs_RemoveDevice(yaffs_Device *dev) +void yaffs_remove_device(yaffs_Device *dev) { ylist_del_init(&dev->devList); } @@ -2029,10 +2126,10 @@ struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) if(dsc && dsc->magic == YAFFS_MAGIC){ yaffsfs_SetError(0); if(dsc->nextReturn){ - dsc->de.d_ino = yaffs_GetEquivalentObject(dsc->nextReturn)->objectId; + dsc->de.d_ino = yaffs_get_equivalent_obj(dsc->nextReturn)->objectId; dsc->de.d_dont_use = (unsigned)dsc->nextReturn; dsc->de.d_off = dsc->offset++; - yaffs_GetObjectName(dsc->nextReturn,dsc->de.d_name,NAME_MAX); + yaffs_get_obj_name(dsc->nextReturn,dsc->de.d_name,NAME_MAX); if(yaffs_strnlen(dsc->de.d_name,NAME_MAX+1) == 0) { /* this should not happen! */ @@ -2093,7 +2190,7 @@ int yaffs_symlink(const YCHAR *oldpath, const YCHAR *newpath) if(parent && parent->myDev->readOnly) yaffsfs_SetError(-EINVAL); else if(parent){ - obj = yaffs_MknodSymLink(parent,name,mode,0,0,oldpath); + obj = yaffs_create_symlink(parent,name,mode,0,0,oldpath); if(obj) retVal = 0; else{ @@ -2207,7 +2304,24 @@ int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev) return -1; } -int yaffs_DumpDevStruct(const YCHAR *path) + + +/* + * yaffs_n_handles() + * Returns number of handles attached to the object + */ +int yaffs_n_handles(const YCHAR *path) +{ + yaffs_Object *obj; + + obj = yaffsfs_FindObject(NULL,path,0); + if(obj) + obj = yaffs_get_equivalent_obj(obj); + + return yaffsfs_CountHandles(obj); +} + +int yaffs_dump_dev(const YCHAR *path) { #if 0 YCHAR *rest;