ocfs2: Fix up i_blocks calculation to know about holes

Older file systems which didn't support holes did a dumb calculation of
i_blocks based on i_size. This is no longer accurate, so fix things up to
take actual allocation into account.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 8d22e1e4a88d..67e6866a2a4f 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -358,7 +358,7 @@ int ocfs2_do_extend_dir(struct super_block *sb,
 {
         int status;
         int extend;
-        u64 p_blkno;
+        u64 p_blkno, v_blkno;
 
         spin_lock(&OCFS2_I(dir)->ip_lock);
         extend = (i_size_read(dir) == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters));
@@ -377,9 +377,8 @@ int ocfs2_do_extend_dir(struct super_block *sb,
                 }
         }
 
-        status = ocfs2_extent_map_get_blocks(dir, (dir->i_blocks >>
-                                                   (sb->s_blocksize_bits - 9)),
-                                             &p_blkno, NULL, NULL);
+        v_blkno = ocfs2_blocks_for_bytes(sb, i_size_read(dir));
+        status = ocfs2_extent_map_get_blocks(dir, v_blkno, &p_blkno, NULL, NULL);
         if (status < 0) {
                 mlog_errno(status);
                 goto bail;
@@ -488,7 +487,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
 
         dir_i_size += dir->i_sb->s_blocksize;
         i_size_write(dir, dir_i_size);
-        dir->i_blocks = ocfs2_align_bytes_to_sectors(dir_i_size);
+        dir->i_blocks = ocfs2_inode_sector_count(dir);
         status = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);
         if (status < 0) {
                 mlog_errno(status);