Changeset 12b4a7f in mainline for uspace/lib/ext4/libext4_inode.c

Timestamp:

2011-11-07T16:23:30Z (13 years ago)

Author:

Frantisek Princ <frantisek.princ@…>

Branches:

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

Children:

43a9968

Parents:

052e82d

Message:

functional truncate operation (only to lower size actually), except extent files

File:

• uspace/lib/ext4/libext4_inode.c (modified) (1 diff)

uspace/lib/ext4/libext4_inode.c

@@ -193 +193 @@
 }
 
+bool ext4_inode_can_truncate(ext4_inode_t *inode)
+{
+         if (ext4_inode_has_flag(inode, EXT4_INODE_FLAG_APPEND)
+                         || ext4_inode_has_flag(inode, EXT4_INODE_FLAG_IMMUTABLE)) {
+                 return false;
+         }
+
+
+         if (ext4_inode_get_mode(inode) == EXT4_INODE_MODE_FILE
+                         || ext4_inode_get_mode(inode) == EXT4_INODE_MODE_DIRECTORY) {
+                 return true;
+         }
+
+         return false;
+}
+
 /**
  * @}