Changeset f7376cbf in mainline for uspace/lib/libc/include/ipc/vfs.h

Timestamp:

2010-01-25T21:04:49Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

ea44bd1

Parents:

ae75e2e3

Message:

Rename L_NOCROSS_LAST_MP to L_MP and introduce L_ROOT.
Lookup the mounted root in vfs_unmount() using L_ROOT.

File:

• uspace/lib/libc/include/ipc/vfs.h (modified) (5 diffs)

uspace/lib/libc/include/ipc/vfs.h

@@ -101 +101 @@
  * No lookup flags used.
  */
-#define L_NONE  0
+#define L_NONE                  0
 
 /**
@@ -108 +108 @@
  * with L_DIRECTORY.
  */
-#define L_FILE  1
+#define L_FILE                  1
 
 /**
- * Lookup wil succeed only if the object is a directory. If L_CREATE is
+ * Lookup will succeed only if the object is a directory. If L_CREATE is
  * specified, an empty directory will be created. This flag is mutually
  * exclusive with L_FILE.
  */
-#define L_DIRECTORY  2
+#define L_DIRECTORY             2
+
+/**
+ * Lookup will succeed only if the object is a root directory. The flag is
+ * mutually exclusive with L_FILE and L_MP.
+ */
+#define L_ROOT                  4
+
+/**
+ * Lookup will succeed only if the object is a mount point. The flag is mutually
+ * exclusive with L_FILE and L_ROOT.
+ */
+#define L_MP                    8
+
 
 /**
@@ -121 +134 @@
  * object already exists. L_EXCLUSIVE is implied when L_DIRECTORY is used.
  */
-#define L_EXCLUSIVE  4
+#define L_EXCLUSIVE             16
 
 /**
  * L_CREATE is used for creating both regular files and directories.
  */
-#define L_CREATE  8
+#define L_CREATE                32
 
 /**
  * L_LINK is used for linking to an already existing nodes.
  */
-#define L_LINK  16
+#define L_LINK                  64
 
 /**
@@ -138 +151 @@
  * VFS_UNLINK.
  */
-#define L_UNLINK  32
+#define L_UNLINK                128
 
 /**
@@ -146 +159 @@
  * client.
  */
-#define L_OPEN  64
-
-/**
- * L_NOCROSS_LAST_MP is used exclusively during the VFS_IN_UNMOUNT operation. It
- * tells the lookup routine not to cross the last mount point in the lookup
- * path.
- */
-#define L_NOCROSS_LAST_MP       128
+#define L_OPEN                  256
 
 #endif