xfs: convert dir byte/off conversion to xfs_da_geometry

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

fs/xfs/xfs_dir2.c

@@ -749,7 +749,7 @@ xfs_dir2_shrink_inode(
 	/*
 	 * If the block isn't the last one in the directory, we're done.
 	 */
-	if (dp->i_d.di_size > xfs_dir2_db_off_to_byte(mp, db + 1, 0))
+	if (dp->i_d.di_size > xfs_dir2_db_off_to_byte(args->geo, db + 1, 0))
 		return 0;
 	bno = da;
 	if ((error = xfs_bmap_last_before(tp, dp, &bno, XFS_DATA_FORK))) {

fs/xfs/xfs_dir2_priv.h

@@ -67,10 +67,9 @@ xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
  * Convert byte in space to offset in a block
  */
 static inline xfs_dir2_data_aoff_t
-xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
+xfs_dir2_byte_to_off(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
 {
-	return (xfs_dir2_data_aoff_t)(by &
-		((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1));
+	return (xfs_dir2_data_aoff_t)(by & (geo->blksize - 1));
 }
 
 /*
@@ -79,18 +78,17 @@ xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
 static inline xfs_dir2_data_aoff_t
 xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
 {
-	return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp));
+	return xfs_dir2_byte_to_off(mp->m_dir_geo, xfs_dir2_dataptr_to_byte(dp));
 }
 
 /*
  * Convert block and offset to byte in space
  */
 static inline xfs_dir2_off_t
-xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db,
+xfs_dir2_db_off_to_byte(struct xfs_da_geometry *geo, xfs_dir2_db_t db,
 			xfs_dir2_data_aoff_t o)
 {
-	return ((xfs_dir2_off_t)db <<
-		(mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o;
+	return ((xfs_dir2_off_t)db << geo->blklog) + o;
 }
 
 /*
@@ -118,7 +116,8 @@ static inline xfs_dir2_dataptr_t
 xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
 			   xfs_dir2_data_aoff_t o)
 {
-	return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o));
+	return xfs_dir2_byte_to_dataptr(
+				xfs_dir2_db_off_to_byte(mp->m_dir_geo, db, o));
 }
 
 /*
@@ -136,7 +135,8 @@ xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da)
 static inline xfs_dir2_off_t
 xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
 {
-	return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0);
+	return xfs_dir2_db_off_to_byte(mp->m_dir_geo,
+				       xfs_dir2_da_to_db(mp, da), 0);
 }
 
 /*

fs/xfs/xfs_dir2_readdir.c

@@ -560,7 +560,8 @@ xfs_dir2_leaf_getdents(
 			/*
 			 * Having done a read, we need to set a new offset.
 			 */
-			newoff = xfs_dir2_db_off_to_byte(mp, map_info->curdb, 0);
+			newoff = xfs_dir2_db_off_to_byte(mp->m_dir_geo,
+							 map_info->curdb, 0);
 			/*
 			 * Start of the current block.
 			 */
@@ -578,7 +579,7 @@ xfs_dir2_leaf_getdents(
 			 * Find our position in the block.
 			 */
 			ptr = (char *)dp->d_ops->data_entry_p(hdr);
-			byteoff = xfs_dir2_byte_to_off(mp, curoff);
+			byteoff = xfs_dir2_byte_to_off(mp->m_dir_geo, curoff);
 			/*
 			 * Skip past the header.
 			 */
@@ -607,7 +608,7 @@ xfs_dir2_leaf_getdents(
 				 * Now set our real offset.
 				 */
 				curoff =
-					xfs_dir2_db_off_to_byte(mp,
+					xfs_dir2_db_off_to_byte(mp->m_dir_geo,
 					    xfs_dir2_byte_to_db(mp, curoff),
 					    (char *)ptr - (char *)hdr);
 				if (ptr >= (char *)hdr + mp->m_dirblksize) {