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btrfs: remove redundant initialization of variables in log_new_ancestors

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The variables leaf and slot are initialized when declared but the values
assigned to them are never read as they are being re-assigned later on.
The initializations are redundant and can be removed. Cleans up clang
scan build warnings:

fs/btrfs/tree-log.c:6797:25: warning: Value stored to 'leaf' during its
initialization is never read [deadcode.DeadStores]
fs/btrfs/tree-log.c:6798:7: warning: Value stored to 'slot' during its
initialization is never read [deadcode.DeadStores]

It's been there since b8aa330d2a ("Btrfs: improve performance on fsync
of files with multiple hardlinks") without any usage so it's safe to be
removed.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Colin Ian King 2023-06-22 08:54:30 +01:00 committed by David Sterba
parent cf4ac2b904
commit 966de47ff0
1 changed files with 2 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

4
fs/btrfs/tree-log.c
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@ -6794,8 +6794,8 @@ static int log_new_ancestors(struct btrfs_trans_handle *trans,
while (true) {
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *leaf = path->nodes[0];
int slot = path->slots[0];
struct extent_buffer *leaf;
int slot;
struct btrfs_key search_key;
struct inode *inode;
u64 ino;