Off by one fix for btrfs_drop_extents

One of my old patches introduces a new bug to
btrfs_drop_extents(changeset 275). Inline extents are not truncated
properly when "extent_end == end", it can trigger the BUG_ON at
file.c:600.  I hope I don't introduce new bug this time.

---

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 1cc4d285951c..a280b9562221 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -481,8 +481,9 @@ next_slot:
                         search_start = (extent_end + mask) & ~mask;
                 } else
                         search_start = extent_end;
-                if (end < extent_end && start > key.offset && found_inline) {
+                if (end <= extent_end && start >= key.offset && found_inline) {
                         *hint_byte = EXTENT_MAP_INLINE;
+                        continue;
                 }
                 if (end < extent_end && end >= key.offset) {
                         if (found_extent) {