From: Zygo Blaxell <zblaxell@serenity.furryterror.org>
Date: Fri, 15 May 2015 04:59:22 +0000 (-0400)
Subject: Revert "Btrfs: wake up extent state waiters on unlock through clear_extent_bits"
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6379a012129ede1f0a920b342235577472a5ffb;p=linux

Revert "Btrfs: wake up extent state waiters on unlock through clear_extent_bits"

This reverts commit 304721d43703db5e5753e410a7dccb18cef606a8.
---

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9ab150faed47..61dec55498ed 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1277,12 +1277,7 @@ int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
 int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
 		      unsigned bits, gfp_t mask)
 {
-	int wake = 0;
-
-	if (bits & EXTENT_LOCKED)
-		wake = 1;
-
-	return clear_extent_bit(tree, start, end, bits, wake, 0, NULL, mask);
+	return clear_extent_bit(tree, start, end, bits, 0, 0, NULL, mask);
 }
 
 int set_extent_delalloc(struct extent_io_tree *tree, u64 start, u64 end,