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add initrd_write

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This commit is contained in:
Marian Ohligs 2011-04-20 23:14:15 +02:00
parent faa41e25e2
commit e2ae62af2b
2 changed files with 16 additions and 0 deletions
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1
.gitignore vendored
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@ -7,6 +7,7 @@
*.img *.img
*.a *.a
*.log *.log
*.swp
*.DS_Store *.DS_Store
tags tags
include/metalsvm/config.h include/metalsvm/config.h

15
fs/initrd.c
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@ -90,6 +90,20 @@ static ssize_t initrd_read(vfs_node_t* node, uint8_t* buffer, size_t size, off_t
return size; return size;
} }
static ssize_t initrd_write(vfs_node_t* node, uint8_t* buffer, size_t size, off_t offset)
{
block_list_t* blist = &node->block_list;
char* data = (char*) blist->data[0];
//////////ACHTUNG keine Überprüfung der Blcoklängen etc.
memcpy(data, buffer, size);
return size;
}
static dirent_t* initrd_readdir(vfs_node_t* node, uint32_t index) static dirent_t* initrd_readdir(vfs_node_t* node, uint32_t index)
{ {
uint32_t i, j, count; uint32_t i, j, count;
@ -302,6 +316,7 @@ int initrd_init(void)
memset(new_node, 0x00, sizeof(vfs_node_t)); memset(new_node, 0x00, sizeof(vfs_node_t));
new_node->type = FS_FILE; new_node->type = FS_FILE;
new_node->read = initrd_read; new_node->read = initrd_read;
new_node->write = initrd_write;
new_node->block_size = file_desc->length; new_node->block_size = file_desc->length;
new_node->block_list.data[0] = ((char*) header) + file_desc->offset; new_node->block_list.data[0] = ((char*) header) + file_desc->offset;
spinlock_init(&new_node->lock); spinlock_init(&new_node->lock);