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>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 1cc4d28..a280b95 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -481,8 +481,9 @@
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) {