[patch] 279-vmblock-3.11.patch

279-vmblock-3.11.patch (text/plain), 2.32 KB, created by Billy DeVincentis on 2014-04-20 03:08:40 UTC

--- a/vmblock-only/linux/file.c
+++ b/vmblock-only/linux/file.c
@@ -38,46 +38,6 @@ typedef u64 inode_num_t;
 typedef ino_t inode_num_t;
 #endif

-/* Specifically for our filldir_t callback */
-typedef struct FilldirInfo {
-   filldir_t filldir;
-   void *dirent;
-} FilldirInfo;
-
-
-/*
- *----------------------------------------------------------------------------
- *
- * Filldir --
- *
- *    Callback function for readdir that we use in place of the one provided.
- *    This allows us to specify that each dentry is a symlink, but pass through
- *    everything else to the original filldir function.
- *
- * Results:
- *    Original filldir's return value.
- *
- * Side effects:
- *    Directory information gets copied to user's buffer.
- *
- *----------------------------------------------------------------------------
- */
-
-static int
-Filldir(void *buf,              // IN: Dirent buffer passed from FileOpReaddir
-        const char *name,       // IN: Dirent name
-        int namelen,            // IN: len of dirent's name
-        loff_t offset,          // IN: Offset
-        inode_num_t ino,        // IN: Inode number of dirent
-        unsigned int d_type)    // IN: Type of file
-{
-   FilldirInfo *info = buf;
-
-   /* Specify DT_LNK regardless */
-   return info->filldir(info->dirent, name, namelen, offset, ino, DT_LNK);
-}
-
-
 /* File operations */

 /*
@@ -166,11 +126,10 @@ FileOpOpen(struct inode *inode,  // IN

 static int
 FileOpReaddir(struct file *file,  // IN
-              void *dirent,       // IN
-              filldir_t filldir)  // IN
+              struct dir_context *ctx)  // IN
 {
    int ret;
-   FilldirInfo info;
+
    struct file *actualFile;

    if (!file) {
@@ -184,12 +143,10 @@ FileOpReaddir(struct file *file,  // IN
       return -EINVAL;
    }

-   info.filldir = filldir;
-   info.dirent = dirent;
-
-   actualFile->f_pos = file->f_pos;
-   ret = vfs_readdir(actualFile, Filldir, &info);
-   file->f_pos = actualFile->f_pos;
+   /* Ricky Wong Yung Fei:
+    * Manipulation of pos is now handled internally by iterate_dir().
+    */
+   ret = iterate_dir(actualFile, ctx);

    return ret;
 }
@@ -237,7 +194,7 @@ FileOpRelease(struct inode *inode, // IN


 struct file_operations RootFileOps = {
-   .readdir = FileOpReaddir,
+   .iterate = FileOpReaddir,
    .open    = FileOpOpen,
    .release = FileOpRelease,
 };