From: David Sterba <dsterba@suse.cz>
Date: Tue, 24 Feb 2015 18:07:26 +0000 (+0100)
Subject: btrfs: remove shadowing variables in __btrfs_buffered_write
X-Git-Tag: firefly_0821_release~176^2~1735^2~79^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f64c7b12f86c638f13e19de08eeb8cf888dff8f6;p=firefly-linux-kernel-4.4.55.git

btrfs: remove shadowing variables in __btrfs_buffered_write

There are lockstart and lockend defined in the function and not used
after their duplicate definition scope ends, it's safe to reuse them.

Signed-off-by: David Sterba <dsterba@suse.cz>
---

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e74abb3018d4..a3c2bd77c74b 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1631,8 +1631,8 @@ again:
 			btrfs_end_write_no_snapshoting(root);
 
 		if (only_release_metadata && copied > 0) {
-			u64 lockstart = round_down(pos, root->sectorsize);
-			u64 lockend = lockstart +
+			lockstart = round_down(pos, root->sectorsize);
+			lockend = lockstart +
 				(dirty_pages << PAGE_CACHE_SHIFT) - 1;
 
 			set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,