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btrfs: Fix warning "variable ‘gen’ set but not used" 

Variable 'gen' in reada_for_search() is not used since commit 58dc4ce432
("btrfs: remove unused parameter from readahead_tree_block").  This patch
simply removes this variable.

Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Luis Henriques 2016-08-23 23:23:23 +01:00 committed by David Sterba
parent 1f079fa2f8
commit 2309e79650
1 changed files with 0 additions and 2 deletions
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2
fs/btrfs/ctree.c
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@ -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;
}