If the ordered extent had an IOERR or something else went wrong we need to return the space for this ordered extent back to the allocator, but if the extent is marked as a dedup one, we don't free the space because we just use the existing space instead of allocating new space. Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx> --- fs/btrfs/inode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index c69e530..d32b066 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3213,6 +3213,7 @@ out: * truncated case if we didn't write out the extent at all. */ if ((ret || !logical_len) && + !ordered_extent->dedup && !test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags) && !test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags)) btrfs_free_reserved_extent(root, ordered_extent->start, -- 1.8.2.1 -- 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