diff options
| author | Jonathan Lassoff <jof@thejof.com> | 2022-03-17 10:45:08 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-05-16 17:03:09 +0200 |
| commit | b0a66a3137bde6e011e2b14b135e8ea18facb68c (patch) | |
| tree | c29dfc9b6c3c815266a8178b309802096d5970cf /fs/btrfs/super.c | |
| parent | 88c602ab44604a9474b3d5ec1d631830f928ce51 (diff) | |
btrfs: add messages to printk index
In order for end users to quickly react to new issues that come up in
production, it is proving useful to leverage this printk indexing
system. This printk index enables kernel developers to use calls to
printk() with changeable ad-hoc format strings, while still enabling end
users to detect changes and develop a semi-stable interface for
detecting and parsing these messages.
So that detailed Btrfs messages are captured by this printk index, this
patch wraps btrfs_printk and btrfs_handle_fs_error with macros.
Example of the generated list:
https://lore.kernel.org/lkml/12588e13d51a9c3bf59467d3fc1ac2162f1275c1.1647539056.git.jof@thejof.com
Signed-off-by: Jonathan Lassoff <jof@thejof.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index b228efe8ab6e..206f44005c52 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -261,7 +261,7 @@ static struct ratelimit_state printk_limits[] = { RATELIMIT_STATE_INIT(printk_limits[7], DEFAULT_RATELIMIT_INTERVAL, 100), }; -void __cold btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) +void __cold _btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) { char lvl[PRINTK_MAX_SINGLE_HEADER_LEN + 1] = "\0"; struct va_format vaf; @@ -292,10 +292,10 @@ void __cold btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, . char statestr[STATE_STRING_BUF_LEN]; btrfs_state_to_string(fs_info, statestr); - printk("%sBTRFS %s (device %s%s): %pV\n", lvl, type, + _printk("%sBTRFS %s (device %s%s): %pV\n", lvl, type, fs_info->sb->s_id, statestr, &vaf); } else { - printk("%sBTRFS %s: %pV\n", lvl, type, &vaf); + _printk("%sBTRFS %s: %pV\n", lvl, type, &vaf); } } |