Re: [PATCH 1/2] btrfs: Fix warning "variable ‘gen’ set but not used"

[David Sterba]

On Tue, Aug 23, 2016 at 11:23:23PM +0100, Luis Henriques wrote:
> Variable 'gen' in reada_for_search() is not used since commit 58dc4ce43251
> ("btrfs: remove unused parameter from readahead_tree_block").  This patch
> simply removes this variable.
> 
> Signed-off-by: Luis Henriques 

Reviewed-by: David Sterba 
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[PATCH 1/2] btrfs: Fix warning "variable ‘gen’ set but not used"

[Luis Henriques]

Variable 'gen' in reada_for_search() is not used since commit 58dc4ce43251
("btrfs: remove unused parameter from readahead_tree_block").  This patch
simply removes this variable.

Signed-off-by: Luis Henriques 
---
 fs/btrfs/ctree.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index d1c56c94dd5a..dcd39cca7e43 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2268,7 +2268,6 @@ static void reada_for_search(struct btrfs_root *root,
u64 search;
u64 target;
u64 nread = 0;
-   u64 gen;
struct extent_buffer *eb;
u32 nr;
u32 blocksize;
@@ -2313,7 +2312,6 @@ static void reada_for_search(struct btrfs_root *root,
search = btrfs_node_blockptr(node, nr);
if ((search <= target && target - search <= 65536) ||
(search > target && search - target <= 65536)) {
-   gen = btrfs_node_ptr_generation(node, nr);
readahead_tree_block(root, search);
nread += blocksize;
}
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