Changeset 2d2c6ce in mainline

Timestamp:

2012-01-21T12:47:15Z (13 years ago)

Author:

Frantisek Princ <frantisek.princ@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

73196d2

Parents:

121e7adf

Message:

Skeleton for inode allocation and initialization

Location:

uspace/lib/ext4

Files:

• libext4_filesystem.c (modified) (1 diff)
• libext4_filesystem.h (modified) (1 diff)

uspace/lib/ext4/libext4_filesystem.c

@@ -283 +283 @@
 }
 
+int ext4_filesystem_alloc_inode(ext4_filesystem_t *fs, ext4_inode_ref_t **inode_ref)
+{
+        // TODO
+        return EOK;
+}
+
+int ext4_filesystem_init_inode(ext4_filesystem_t *fs, ext4_inode_ref_t *inode_ref, int flags)
+{
+        ext4_inode_t *inode = inode_ref->inode;
+
+        if (flags & L_DIRECTORY) {
+                ext4_inode_set_mode(fs->superblock, inode, EXT4_INODE_MODE_DIRECTORY);
+                ext4_inode_set_links_count(inode, 1); // '.' entry
+        } else {
+                ext4_inode_set_mode(fs->superblock, inode, EXT4_INODE_MODE_FILE);
+                ext4_inode_set_links_count(inode, 0);
+        }
+
+        ext4_inode_set_uid(inode, 0);
+        ext4_inode_set_gid(inode, 0);
+        ext4_inode_set_size(inode, 0);
+        ext4_inode_set_access_time(inode, 0);
+        ext4_inode_set_change_inode_time(inode, 0);
+        ext4_inode_set_modification_time(inode, 0);
+        ext4_inode_set_deletion_time(inode, 0);
+        ext4_inode_set_blocks_count(fs->superblock, inode, 0);
+        ext4_inode_set_flags(inode, 0);
+        ext4_inode_set_generation(inode, 0);
+
+        for (uint32_t i = 0; i < EXT4_INODE_BLOCKS; i++) {
+                inode->blocks[i] = 0;
+        }
+
+        return EOK;
+}
+
 int ext4_filesystem_free_inode(ext4_filesystem_t *fs, ext4_inode_ref_t *inode_ref)
 {

uspace/lib/ext4/libext4_filesystem.h

@@ -61 +61 @@
                 ext4_inode_ref_t **);
 extern int ext4_filesystem_put_inode_ref(ext4_inode_ref_t *);
+extern int ext4_filesystem_alloc_inode(ext4_filesystem_t *, ext4_inode_ref_t **);
+extern int ext4_filesystem_init_inode(ext4_filesystem_t *, ext4_inode_ref_t *, int);
 extern int ext4_filesystem_free_inode(ext4_filesystem_t *, ext4_inode_ref_t *);
 extern int ext4_filesystem_truncate_inode(ext4_filesystem_t *,