On Mon, Oct 03, 2011 at 11:22:31PM -0400, Jeff Mahoney wrote:
> @@ -143,6 +146,36 @@ void __btrfs_std_error(struct btrfs_fs_i
> btrfs_handle_error(fs_info);
> }
>
> +/*
> + * __btrfs_panic decodes unexpected, fatal errors from the caller,
> + * issues an alert, and either panics or BUGs, depending on mount options.
> + */
> +void __btrfs_panic(struct btrfs_fs_info *fs_info, const char *function,
> + unsigned int line, int errno, const char *fmt, ...)
> +{
> + char nbuf[16];
> + char *s_id = "<unknown>";
> + const char *errstr;
> + struct va_format vaf = { .fmt = fmt };
> + va_list args;
> +
> + if (fs_info)
> + s_id = fs_info->sb->s_id;
> +
> + va_start(args, fmt);
> + vaf.va = &args;
> +
> + errstr = btrfs_decode_error(fs_info, errno, nbuf);
> + if (fs_info->mount_opt & BTRFS_MOUNT_PANIC_ON_FATAL_ERROR)
> + panic(KERN_CRIT "BTRFS panic (device %s) in %s:%d: %pV (%s)\n",
^^^^^
"btrfs"
Most messages use lowercase btrfs, let's keep it like that (apart from
missing btrfs prefixes at all or 3x Btrfs)
> + s_id, function, line, &vaf, errstr);
> +
> + printk(KERN_CRIT "BTRFS panic (device %s) in %s:%d: %pV (%s)\n",
^^^^^
> + s_id, function, line, &vaf, errstr);
> + va_end(args);
> + /* Caller calls BUG() */
> +}
> +
> static void btrfs_put_super(struct super_block *sb)
> {
> struct btrfs_root *root = btrfs_sb(sb);
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