Messages in this thread | | | Date | Mon, 25 Jul 2022 18:02:05 +0200 | From | David Sterba <> | Subject | Re: [PATCH] btrfs: Fix unused variable in load_free_space_cache() |
| |
On Fri, Jul 22, 2022 at 09:38:54AM -0700, Nathan Chancellor wrote: > When CONFIG_LOCKDEP is unset, there is a warning about the mapping > variable being unused: > > fs/btrfs/free-space-cache.c:929:24: warning: variable 'mapping' set but not used [-Wunused-but-set-variable] > struct address_space *mapping; > ^ > 1 warning generated. > > lockdep_set_class() does not do anything with the first parameter to the > macro when CONFIG_LOCKDEP is not set so just eliminate the mapping > variable and use inode instead, which is always used in the function. > > Fixes: 22d85ab1af7d ("btrfs: Change the lockdep class of struct inode's invalidate_lock") > Link: https://github.com/ClangBuiltLinux/linux/issues/1672 > Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Folded to the patch, thanks.
| |