Previous commit: btrfs: Fix and enhance merge_extent_mapping() to insert best fitted extent map is using wrong condition to judgement whether the range is a subset of a existing extent map.
This may cause bug in btrfs no-holes mode. This patch will correct the judgment and fix the bug. Signed-off-by: Qu Wenruo <[email protected]> --- fs/btrfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 8039021..a99ee9d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6527,7 +6527,7 @@ insert: * extent causing the -EEXIST. */ if (start >= extent_map_end(existing) || - start + len <= existing->start) { + start <= existing->start) { /* * The existing extent map is the one nearest to * the [start, start + len) range which overlaps -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
