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| author | David Sterba | 2015-10-08 08:48:52 +0200 |
|---|---|---|
| committer | David Sterba | 2015-10-08 11:07:55 +0200 |
| commit | 08a84e25a80566cf3cb1903c2448123efedff132 (patch) | |
| tree | 518ebec5edb95527322f0b8b99e27ad4deb50ea4 /fs/btrfs/ctree.h | |
| parent | Linux 4.3-rc3 (diff) | |
| download | kernel-qcow2-linux-08a84e25a80566cf3cb1903c2448123efedff132.tar.gz kernel-qcow2-linux-08a84e25a80566cf3cb1903c2448123efedff132.tar.xz kernel-qcow2-linux-08a84e25a80566cf3cb1903c2448123efedff132.zip | |
btrfs: introduce _in_rcu variants of message printing functions
Due to the missing variants there are messages that lack the information
printed by btrfs_info etc helpers.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 938efe33be80..88acdffbe384 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -4039,14 +4039,43 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) #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) + #ifdef DEBUG #define btrfs_debug(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_DEBUG fmt, ##args) +#define btrfs_debug_in_rcu(fs_info, fmt, args...) \ + btrfs_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args) #else #define btrfs_debug(fs_info, fmt, args...) \ no_printk(KERN_DEBUG fmt, ##args) +#define btrfs_debug_in_rcu(fs_info, fmt, args...) \ + no_printk(KERN_DEBUG fmt, ##args) #endif +#define btrfs_printk_in_rcu(fs_info, fmt, args...) \ +do { \ + rcu_read_lock(); \ + btrfs_printk(fs_info, fmt, ##args); \ + rcu_read_unlock(); \ +} while (0) + #ifdef CONFIG_BTRFS_ASSERT __cold |