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Commit 6e3b9666 authored Dec 14, 2007 by Yan Committed by Chris Mason Sep 25, 2008

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>

parent f6dbff55

fs/btrfs/file.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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) {