Re: [fuse-devel] how does write works?

[Serdar D. <se...@se...>]

Hi, I wrote this two three weeks ago, maybe someone can tell me how fuse 
write works?

Greetings Serdar

Am 29.12.10 20:40, schrieb Serdar Dere:
> Hello guys,
>
> I am trying to understand how write works and I guess I made some mistakes.
> I am trying to write the buffer buf to a voidpointer. but it stops at 2.2M.
> That's why I am thinking, I understand it wrong how write is working,
> maybe someone can explain it to me.
>
> Thanks in advance
>
> Greetings Serdar
>
> /**
>    *      writes a file or append to a file.
>    **/
> static int ossfs_write(const char *path, const char *buf, size_t size,
>                   off_t offset, struct fuse_file_info *fi) {
>       (void)offset;
>       oss_inode *node = getNode(path);
>       if(node == NULL)
>           return -ENOENT;
>
>       oss_consistency_model_t consmod = oss_transactional_consistency;
>       oss_alloc_attributes_t attr = oss_default_alloc_attributes;
>
>       void *data = NULL;
>       if (node->data != NULL){
>           data = malloc(sizeof(void)*node->len);
>           memcpy(data, node->data, node->len);
>           oss_free(node->data);
>       }
>
>       node->data = oss_alloc(sizeof(void)*(size+offset), consmod,&attr);
>       if(data == NULL)
>           memcpy(node->data,buf,size);
>       else {
>           memcpy(node->data,data,offset);
>           memcpy(node->data+offset,buf,size);
>       }
>
>       node->len = size+offset;
>       return size;
> }
>
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