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create and mkdir funcs

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file and directory creation functions for both the vfs and tmpfs
This commit is contained in:
Matheus
2022-08-03 22:05:11 -03:00
parent 2419b2e9e0
commit 6ae75a9e99
4 changed files with 124 additions and 22 deletions
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src/fs/tmpfs.c
+51 -4
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@@ -1,28 +1,75 @@
#include <kernel/tmpfs.h>
#include <kernel/vfs.h>
#include <kernel/alloc.h>
#include <arch/mmu.h>
static int tmpfs_mount(dirnode_t** rootptr, vnode_t* device, int mountflags, void* fsinfo){
static int tmpfs_mount(dirnode_t* mountpoint, vnode_t* device, int mountflags, void* fsinfo){
fs_t* desc = alloc(sizeof(fs_t));
if(!desc)
return ENOMEM;
dirnode_t* root = vfs_newdirnode(desc, NULL);
dirnode_t* root = vfs_newdirnode(mountpoint->vnode.name, desc, NULL);
if(!root){
free(desc);
return ENOMEM;
}
*rootptr = root;
desc->calls = tmpfs_getfuncs();
mountpoint->mount = root;
return 0;
}
static int tmpfs_unmount(fs_t* fs) UNIMPLEMENTED
static int tmpfs_open(dirnode_t* parent, char* name) UNIMPLEMENTED
static int tmpfs_close(vnode_t* node) UNIMPLEMENTED
static int tmpfs_mkdir(dirnode_t* parent, char* name, mode_t mode){
dirnode_t* node = vfs_newdirnode(name, parent->vnode.fs, NULL);
if(!node)
return ENOMEM;
if(!hashtable_insert(&parent->children, name, node)){
vfs_destroynode(node);
return ENOMEM;
}
node->vnode.parent = parent;
stat* st = &node->vnode.st;
st->st_mode = MAKETYPE(TYPE_DIR) | GETMODE(mode);
st->st_blksize = PAGE_SIZE;
return 0;
}
static int tmpfs_create(dirnode_t* parent, char* name, mode_t mode){
vnode_t* node = vfs_newnode(name, parent->vnode.fs, NULL);
if(!node)
return ENOMEM;
if(!hashtable_insert(&parent->children, name, node)){
vfs_destroynode(node);
return ENOMEM;
}
node->parent = parent;
stat* st = &node->st;
st->st_mode = MAKETYPE(TYPE_DIR) | GETMODE(mode);
st->st_blksize = PAGE_SIZE;
return 0;
}
static fscalls_t funcs = {
tmpfs_mount
tmpfs_mount, tmpfs_unmount, tmpfs_open, tmpfs_close, tmpfs_mkdir, tmpfs_create
};