btrfs: remove unused levels of message helpers

We're using the following levels: crit, err, warn, info, debug. This
covers our needs and further specializations is not needed, so let's
remove emerg, alert and notice.

Reviewed-by: Daniel Vacek <neelx@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

Author: kdave

fs/btrfs/messages.h

@@ -37,72 +37,48 @@ void _btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...);
 	btrfs_no_printk(fs_info, fmt, ##args)
 #endif
 
-#define btrfs_emerg(fs_info, fmt, args...) \
-	btrfs_printk(fs_info, KERN_EMERG fmt, ##args)
-#define btrfs_alert(fs_info, fmt, args...) \
-	btrfs_printk(fs_info, KERN_ALERT fmt, ##args)
 #define btrfs_crit(fs_info, fmt, args...) \
 	btrfs_printk(fs_info, KERN_CRIT fmt, ##args)
 #define btrfs_err(fs_info, fmt, args...) \
 	btrfs_printk(fs_info, KERN_ERR fmt, ##args)
 #define btrfs_warn(fs_info, fmt, args...) \
 	btrfs_printk(fs_info, KERN_WARNING fmt, ##args)
-#define btrfs_notice(fs_info, fmt, args...) \
-	btrfs_printk(fs_info, KERN_NOTICE fmt, ##args)
 #define btrfs_info(fs_info, fmt, args...) \
 	btrfs_printk(fs_info, KERN_INFO fmt, ##args)
 
 /*
  * Wrappers that use printk in RCU
  */
-#define btrfs_emerg_in_rcu(fs_info, fmt, args...) \
-	btrfs_printk_in_rcu(fs_info, KERN_EMERG fmt, ##args)
-#define btrfs_alert_in_rcu(fs_info, fmt, args...) \
-	btrfs_printk_in_rcu(fs_info, KERN_ALERT fmt, ##args)
 #define btrfs_crit_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_in_rcu(fs_info, KERN_CRIT fmt, ##args)
 #define btrfs_err_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_in_rcu(fs_info, KERN_ERR fmt, ##args)
 #define btrfs_warn_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_in_rcu(fs_info, KERN_WARNING fmt, ##args)
-#define btrfs_notice_in_rcu(fs_info, fmt, args...) \
-	btrfs_printk_in_rcu(fs_info, KERN_NOTICE fmt, ##args)
 #define btrfs_info_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_in_rcu(fs_info, KERN_INFO fmt, ##args)
 
 /*
  * Wrappers that use a ratelimited printk in RCU
  */
-#define btrfs_emerg_rl_in_rcu(fs_info, fmt, args...) \
-	btrfs_printk_rl_in_rcu(fs_info, KERN_EMERG fmt, ##args)
-#define btrfs_alert_rl_in_rcu(fs_info, fmt, args...) \
-	btrfs_printk_rl_in_rcu(fs_info, KERN_ALERT fmt, ##args)
 #define btrfs_crit_rl_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_rl_in_rcu(fs_info, KERN_CRIT fmt, ##args)
 #define btrfs_err_rl_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_rl_in_rcu(fs_info, KERN_ERR fmt, ##args)
 #define btrfs_warn_rl_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_rl_in_rcu(fs_info, KERN_WARNING fmt, ##args)
-#define btrfs_notice_rl_in_rcu(fs_info, fmt, args...) \
-	btrfs_printk_rl_in_rcu(fs_info, KERN_NOTICE fmt, ##args)
 #define btrfs_info_rl_in_rcu(fs_info, fmt, args...) \
 	btrfs_printk_rl_in_rcu(fs_info, KERN_INFO fmt, ##args)
 
 /*
  * Wrappers that use a ratelimited printk
  */
-#define btrfs_emerg_rl(fs_info, fmt, args...) \
-	btrfs_printk_ratelimited(fs_info, KERN_EMERG fmt, ##args)
-#define btrfs_alert_rl(fs_info, fmt, args...) \
-	btrfs_printk_ratelimited(fs_info, KERN_ALERT fmt, ##args)
 #define btrfs_crit_rl(fs_info, fmt, args...) \
 	btrfs_printk_ratelimited(fs_info, KERN_CRIT fmt, ##args)
 #define btrfs_err_rl(fs_info, fmt, args...) \
 	btrfs_printk_ratelimited(fs_info, KERN_ERR fmt, ##args)
 #define btrfs_warn_rl(fs_info, fmt, args...) \
 	btrfs_printk_ratelimited(fs_info, KERN_WARNING fmt, ##args)
-#define btrfs_notice_rl(fs_info, fmt, args...) \
-	btrfs_printk_ratelimited(fs_info, KERN_NOTICE fmt, ##args)
 #define btrfs_info_rl(fs_info, fmt, args...) \
 	btrfs_printk_ratelimited(fs_info, KERN_INFO fmt, ##args)