From: Filipe Manana Date: Sun, 13 Aug 2023 15:03:28 +0000 (+0100) Subject: btrfs: remove pointless empty list check when reading delayed dir indexes X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6b604c9a0cf1af7ed5c7b4012cb2fcd9ee988833;p=linux.git btrfs: remove pointless empty list check when reading delayed dir indexes At btrfs_readdir_delayed_dir_index(), called when reading a directory, we have this check for an empty list to return immediately, but it's not needed since list_for_each_entry_safe(), called immediately after, is prepared to deal with an empty list, it simply does nothing. So remove the empty list check. Besides shorter source code, it also slightly reduces the binary text size: Before this change: $ size fs/btrfs/btrfs.ko text data bss dec hex filename 1609408 167269 16864 1793541 1b5e05 fs/btrfs/btrfs.ko After this change: $ size fs/btrfs/btrfs.ko text data bss dec hex filename 1609392 167269 16864 1793525 1b5df5 fs/btrfs/btrfs.ko Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 6d51db066503b..85dcf00241375 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1736,9 +1736,6 @@ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx, int over = 0; unsigned char d_type; - if (list_empty(ins_list)) - return 0; - /* * Changing the data of the delayed item is impossible. So * we needn't lock them. And we have held i_mutex of the