New files:

[fs/lustre-release.git] / lustre / obdfs / dir.c

diff --git a/lustre/obdfs/dir.c b/lustre/obdfs/dir.c
index 0c0fe1c..fef4332 100644 (file)
--- a/lustre/obdfs/dir.c
+++ b/lustre/obdfs/dir.c
@@ -47,37 +47,46 @@ static ssize_t obdfs_dir_read (struct file * filp, char * buf,
 {
        return -EISDIR;
 }
+#endif
 
-
-int ext2_check_dir_entry (const char * function, struct inode * dir,
+int obdfs_check_dir_entry (const char * function, struct inode * dir,
                          struct ext2_dir_entry_2 * de,
-                         struct buffer_head * bh,
+                         struct page * page,
                          unsigned long offset)
 {
        const char * error_msg = NULL;
 
+       ENTRY;
+       if ( !de ) {
+               error_msg = "null de passed";
+               return 1;
+       }
+
        if (le16_to_cpu(de->rec_len) < EXT2_DIR_REC_LEN(1))
                error_msg = "rec_len is smaller than minimal";
        else if (le16_to_cpu(de->rec_len) % 4 != 0)
                error_msg = "rec_len % 4 != 0";
        else if (le16_to_cpu(de->rec_len) < EXT2_DIR_REC_LEN(de->name_len))
                error_msg = "rec_len is too small for name_len";
-       else if (dir && ((char *) de - bh->b_data) + le16_to_cpu(de->rec_len) >
+       else if (dir && ((char *) de - (char *)page_address(page)) + le16_to_cpu(de->rec_len) >
                 dir->i_sb->s_blocksize)
                error_msg = "directory entry across blocks";
-       else if (dir && le32_to_cpu(de->inode) > le32_to_cpu(dir->i_sb->u.ext2_sb.s_es->s_inodes_count))
-               error_msg = "inode out of bounds";
+#if 0 /* this one doesn't yet work for OBDFS */
+       else 
 
+if (dir && le32_to_cpu(de->inode) > le32_to_cpu(dir->i_sb->u.ext2_sb.s_es->s_inodes_count))
+               error_msg = "inode out of bounds";
+#endif
        if (error_msg != NULL)
                ext2_error (dir->i_sb, function, "bad entry in directory #%lu: %s - "
                            "offset=%lu, inode=%lu, rec_len=%d, name_len=%d",
                            dir->i_ino, error_msg, offset,
                            (unsigned long) le32_to_cpu(de->inode),
                            le16_to_cpu(de->rec_len), de->name_len);
+       EXIT;
        return error_msg == NULL ? 1 : 0;
 }
 
-#endif
 
 int obdfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
@@ -98,6 +107,7 @@ int obdfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 
        while (!error && !stored && filp->f_pos < inode->i_size) {
                page = obdfs_getpage(inode, offset, 0, NOLOCK);
+               PDEBUG(page, "readdir");
                if (!page) {
                        ext2_error (sb, "ext2_readdir",
                                    "directory #%lu contains a hole at offset %lu",