On Wed, Sep 21, 2016 at 12:17:37PM -0400, Jeff Mahoney wrote: > We can hit unused variable warnings when btrfs_debug and friends are > just aliases for no_printk. This is due to the fs_info not getting > consumed by the function call, which can happen if convenenience > variables are used. This patch adds a new btrfs_no_printk static inline > that consumes the convenience variable and does nothing else. It > silences the unused variable warning and has no impact on the generated > code: > > $ size fs/btrfs/extent_io.o* > text data bss dec hex filename > 44072 152 32 44256 ace0 fs/btrfs/extent_io.o.btrfs_no_printk > 44072 152 32 44256 ace0 fs/btrfs/extent_io.o.no_printk > > Fixes: 27a0dd61a5 (Btrfs: make btrfs_debug match pr_debug handling related to DEBUG) > Signed-off-by: Jeff Mahoney <jeffm@xxxxxxxx> Looks good, aded to the queue. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
