.

wcfs/__init__.py

@@ -88,33 +88,6 @@ class WCFS(_WCFS):
     pass
 
 """
-# _remmapblk remmaps mapping memory for file[blk] to be viewing database as of @at state.
-#
-# at=None means unpin to head/ .
-# NOTE this does not check wrt virtmem already mapped blk as RW     XXX ok?
-@func(_Mapping)
-def _remmapblk(mmap, blk, at):
-    assert mmap.blk_start <= blk < mmap.blk_stop
-    f = mmap.file
-    blkmem = mmap.mem[(blk-mmap.blk_start)*f.blksize:][:f.blksize]
-    if at is None:
-        fsfile = f.headf
-    else:
-        # TODO share @rev fd until wconn is resynced?
-        fsfile = f.wconn._wc._open("@%s/bigfile/%s" % (h(at), h(f.foid)), "rb")
-        defer(fsfile.close)
-
-    _ = os.fstat(fsfile.fileno())
-    assert _.st_blksize == f.blksize  # FIXME assert
-
-    # block is beyond file size - mmap with zeros   (assumes head/f size ↑=)
-    if (blk+1)*f.blksize > _.st_size:
-        mm.map_zero_into_ro(blkmem)
-    # block is inside file - mmap file data
-    else:
-        mm.map_into_ro(blkmem, fsfile.fileno(), blk*f.blksize)
-
-
 # remmap_blk remmaps file[blk] in its place again.
 # virtmem calls this to remmap a block after RW dirty page was e.g. discarded.
 @func(_Mapping)