On Thu, Oct 27, 2016 at 01:05:08PM -0500, Goldwyn Rodrigues wrote: > While deleting pending extents, we insert extents to the > extent_tree. However, because of corruption, this might already > be freed. We trickle the EEXISTS error and let the caller > decide what needs to be done with it. In this case, ignore, so > the repair may proceed. > > The primary motivation of this is to resolve this BUG_ON: > extent-tree.c:2731: alloc_reserved_tree_block: Assertion `ret` failed, value 0 > > #2 assert_trace (val=0, line=2728, func=0x489510 <__func__.11558> "alloc_reserved_tree_block", > filename=0x489065 "extent-tree.c", assertion=0x48cfb5 "ret") at kerncompat.h:102 > #3 alloc_reserved_tree_block (trans=trans@entry=0x7e7240, root=root@entry=0x6a88a0, root_objectid=2, > generation=175654, flags=0, key=key@entry=0x2bc5c70, level=0, ins=ins@entry=0x7fffffffcf30) at extent-tree.c:2728 > #4 finish_current_insert (trans=trans@entry=0x7e7240, extent_root=extent_root@entry=0x6a88a0) > at extent-tree.c:2108 > #5 __free_extent (trans=trans@entry=0x7e7240, root=root@entry=0x6a88a0, bytenr=57127387136, > num_bytes=<optimized out>, parent=parent@entry=0, root_objectid=<optimized out>, owner_objectid=0, > owner_offset=owner_offset@entry=0, refs_to_drop=refs_to_drop@entry=1) at extent-tree.c:2410 > #6 del_pending_extents (trans=trans@entry=0x7e7240, extent_root=0x6a88a0) at extent-tree.c:2448 Do you have a reproducer for that? > Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
