Displaying 1 result from an estimated 1 matches for "ext4_ext_insert_ext".
2011 Sep 06
17
ext4 BUG in dom0 Kernel 2.6.32.36
...will be quite a lot of uninitialized
extent to be initialized during the test.
After go through the src code. Call routinue is
ext4_da_sritepages->mpage_da_map_blocks->ext4_get_blocks->ext4_ext_get_blocks->
ext4_ext_handle_uninitialized_extents->ext4_ext_convert_to_initialized->ext4_ext_insert_extent
if ext4_ext_handle_uninitialized_extents is called, then line 3306 must be satisfied.
that is we have in_range(iblock, ee_block, ee_len) = true.
so iblock >= ee_block
fs/ext4/extents.c
3306 <+++<+++if (in_range(iblock, ee_block, ee_len)) {...