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Diffstat (limited to 'fs/btrfs/extent_map.c')
-rw-r--r-- | fs/btrfs/extent_map.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 9d30acca55e1..6f417ff68980 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -214,9 +214,13 @@ static int mergable_maps(struct extent_map *prev, struct extent_map *next) ASSERT(next->block_start != EXTENT_MAP_DELALLOC && prev->block_start != EXTENT_MAP_DELALLOC); + if (prev->map_lookup || next->map_lookup) + ASSERT(test_bit(EXTENT_FLAG_FS_MAPPING, &prev->flags) && + test_bit(EXTENT_FLAG_FS_MAPPING, &next->flags)); + if (extent_map_end(prev) == next->start && prev->flags == next->flags && - prev->bdev == next->bdev && + prev->map_lookup == next->map_lookup && ((next->block_start == EXTENT_MAP_HOLE && prev->block_start == EXTENT_MAP_HOLE) || (next->block_start == EXTENT_MAP_INLINE && |