ocfs2: Convert ocfs2_read_dir_block() to ocfs2_read_virt_blocks()

Now that we've centralized the ocfs2_read_virt_blocks() code, let's use
it in ocfs2_read_dir_block().

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 7e863d4..d83cff9 100644 (file)
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -231,44 +231,16 @@ static int ocfs2_read_dir_block(struct inode *inode, u64 v_block,
 {
        int rc = 0;
        struct buffer_head *tmp = *bh;
-       u64 p_blkno;
 
-       if (((u64)v_block << inode->i_sb->s_blocksize_bits) >=
-           i_size_read(inode)) {
-               BUG_ON(!(flags & OCFS2_BH_READAHEAD));
-               goto out;
-       }
-
-       down_read(&OCFS2_I(inode)->ip_alloc_sem);
-       rc = ocfs2_extent_map_get_blocks(inode, v_block, &p_blkno, NULL,
-                                        NULL);
-       up_read(&OCFS2_I(inode)->ip_alloc_sem);
-       if (rc) {
+       rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, flags,
+                                   ocfs2_validate_dir_block);
+       if (rc)
                mlog_errno(rc);
-               goto out;
-       }
 
-       if (!p_blkno) {
-               rc = -EIO;
-               mlog(ML_ERROR,
-                    "Directory #%llu contains a hole at offset %llu\n",
-                    (unsigned long long)OCFS2_I(inode)->ip_blkno,
-                    (unsigned long long)v_block << inode->i_sb->s_blocksize_bits);
-               goto out;
-       }
-
-       rc = ocfs2_read_blocks(inode, p_blkno, 1, &tmp, flags,
-                              ocfs2_validate_dir_block);
-       if (rc) {
-               mlog_errno(rc);
-               goto out;
-       }
-
-       /* If ocfs2_read_blocks() got us a new bh, pass it up.  */
-       if (!*bh)
+       /* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */
+       if (!rc && !*bh)
                *bh = tmp;
 
-out:
        return rc ? -EIO : 0;
 }