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btrfs: device add must be sysloged

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when we add a new disk to the mounted btrfs we don't record it
as of now, disk add is a critical change of btrfs configuration,
it must be recorded in the syslog to help offline investigations
of customer problems when reported.

Signed-off-by: Anand Jain <Anand.Jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Anand Jain 2014-07-01 00:58:56 +08:00 committed by Chris Mason
parent 4027e0f4c4
commit 43d2076168
1 changed files with 3 additions and 0 deletions
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3
fs/btrfs/ioctl.c
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@ -2633,6 +2633,9 @@ static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg)
vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';
ret = btrfs_init_new_device(root, vol_args->name);
if (!ret)
btrfs_info(root->fs_info, "disk added %s",vol_args->name);
kfree(vol_args);
out:
mutex_unlock(&root->fs_info->volume_mutex);