diff options
| author | Guoqing Jiang <gqjiang@suse.com> | 2016-05-02 18:33:13 +0300 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2016-05-04 22:39:35 +0300 |
| commit | ab5a98b132fd1a08ca35e95498fb45f4a8f3b0c4 (patch) | |
| tree | 727c304bc6cffb0efcfab886411beac01ae65c8e /drivers/md | |
| parent | 1535212c542285e430d44a75bfc0a99df610f598 (diff) | |
| download | linux-ab5a98b132fd1a08ca35e95498fb45f4a8f3b0c4.tar.xz | |
md-cluster: change array_sectors and update size are not supported
Currently, some features are not supported yet,
such as change array_sectors and update size, so
return EINVAL for them and listed it in document.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index dd83a50d892c..8cc4bbcf9bf8 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4817,6 +4817,10 @@ array_size_store(struct mddev *mddev, const char *buf, size_t len) if (err) return err; + /* cluster raid doesn't support change array_sectors */ + if (mddev_is_clustered(mddev)) + return -EINVAL; + if (strncmp(buf, "default", 7) == 0) { if (mddev->pers) sectors = mddev->pers->size(mddev, 0, 0); @@ -6438,6 +6442,10 @@ static int update_size(struct mddev *mddev, sector_t num_sectors) int rv; int fit = (num_sectors == 0); + /* cluster raid doesn't support update size */ + if (mddev_is_clustered(mddev)) + return -EINVAL; + if (mddev->pers->resize == NULL) return -EINVAL; /* The "num_sectors" is the number of sectors of each device that |