diff options
Diffstat (limited to 'Grow.c')
| -rw-r--r-- | Grow.c | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -2462,6 +2462,7 @@ int reshape_container(char *container, char *devname, { struct mdinfo *cc = NULL; int rv = restart; + int last_devnum = -1; /* component_size is not meaningful for a container, * so pass '-1' meaning 'no change' @@ -2546,6 +2547,24 @@ int reshape_container(char *container, char *devname, if (!adev) adev = content->text_version; + if (last_devnum == mdstat->devnum) { + /* Do not allow for multiple reshape_array() calls for + * the same array. + * It can happen when reshape_array() returns without + * error, when reshape is not finished (wrong reshape + * starting/continuation conditions). Mdmon doesn't + * switch to next array in container and reentry + * conditions for the same array occur. + * This is possibly interim until the behaviour of + * reshape_array is resolved(). + */ + printf(Name ": Multiple reshape execution detected for " + "device %s.", adev); + close(fd); + break; + } + last_devnum = mdstat->devnum; + sysfs_init(content, fd, mdstat->devnum); rv = reshape_array(container, fd, adev, st, |