X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/4769a870917b98723690aa336d12d0656769528b..0fd474df7001837bde53da0e42e83081827c9641:/lunaix-os/kernel/fs/fsm.c

diff --git a/lunaix-os/kernel/fs/fsm.c b/lunaix-os/kernel/fs/fsm.c
index 95e12e3..8638905 100644
--- a/lunaix-os/kernel/fs/fsm.c
+++ b/lunaix-os/kernel/fs/fsm.c
@@ -11,23 +11,31 @@
 #include <klibc/string.h>
 #include <lunaix/ds/hashtable.h>
 #include <lunaix/fs.h>
+#include <lunaix/mm/valloc.h>
+
+#include <lunaix/fs/twimap.h>
+#include <lunaix/fs/twifs.h>
 
 #define HASH_BUCKET_BITS 4
 #define HASH_BUCKET_NUM (1 << HASH_BUCKET_BITS)
 
+DEFINE_LLIST(fs_flatlist);
 DECLARE_HASHTABLE(fs_registry, HASH_BUCKET_NUM);
 
 void
 fsm_init()
 {
     hashtable_init(fs_registry);
+
+    ldga_invoke_fn0(fs);
 }
 
 void
 fsm_register(struct filesystem* fs)
 {
-    hstr_rehash(&fs->fs_name, HASH_BUCKET_BITS);
+    hstr_rehash(&fs->fs_name, HSTR_FULL_HASH);
     hashtable_hash_in(fs_registry, &fs->fs_list, fs->fs_name.hash);
+    llist_append(&fs_flatlist, &fs->fs_flat);
 }
 
 struct filesystem*
@@ -35,7 +43,7 @@ fsm_get(const char* fs_name)
 {
     struct filesystem *pos, *next;
     struct hstr str = HSTR(fs_name, 0);
-    hstr_rehash(&str, HASH_BUCKET_BITS);
+    hstr_rehash(&str, HSTR_FULL_HASH);
 
     hashtable_hash_foreach(fs_registry, str.hash, pos, next, fs_list)
     {
@@ -45,4 +53,45 @@ fsm_get(const char* fs_name)
     }
 
     return NULL;
-}
\ No newline at end of file
+}
+
+struct filesystem*
+fsm_new_fs(char* name, size_t name_len)
+{
+    struct filesystem* fs = vzalloc(sizeof(*fs));
+    if (name_len == (size_t)-1) {
+        name_len = strlen(name);
+    }
+    fs->fs_name = HHSTR(name, name_len, 0);
+    return fs;
+}
+
+void
+fsm_itbegin(struct fs_iter* iterator)
+{
+    iterator->fs = list_entry(&fs_flatlist, struct filesystem, fs_flat);
+}
+
+bool
+fsm_itnext(struct fs_iter* iterator)
+{
+    iterator->fs = list_next(iterator->fs, struct filesystem, fs_flat);
+    return &iterator->fs->fs_flat != &fs_flatlist;
+}
+
+static void
+__twimap_read_fstab(struct twimap *mapping)
+{
+    struct filesystem *pos, *n;
+    llist_for_each(pos, n, &fs_flatlist, fs_flat)
+    {
+        twimap_printf(mapping, "%s %d\n", pos->fs_name.value, pos->types);
+    }
+}
+
+static void
+fstab_twifs_plugin()
+{
+    twimap_export_value(NULL, fstab, FSACL_ugR, NULL);
+}
+EXPORT_TWIFS_PLUGIN(fstab, fstab_twifs_plugin);
\ No newline at end of file