Commit 6e3b9666 authored by Yan's avatar Yan Committed by Chris Mason

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: default avatarChris Mason <chris.mason@oracle.com>
parent f6dbff55
......@@ -481,8 +481,9 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans,
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) {
......
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