diff --git a/Grow.c b/Grow.c index 14e48f5..fc809c6 100644 --- a/Grow.c +++ b/Grow.c @@ -815,6 +815,14 @@ int Grow_reshape(char *devname, int fd, int quiet, char *backup_file, } if (comp >= nstripe) break; + if (comp == 0) { + /* Maybe it finished already */ + char action[20]; + if (sysfs_get_str(sra, NULL, "sync_action", + action, 20) > 0 && + strncmp(action, "reshape", 7) != 0) + break; + } sleep(1); } diff --git a/mdadm.h b/mdadm.h index f580e3e..6770d6c 100644 --- a/mdadm.h +++ b/mdadm.h @@ -369,6 +369,8 @@ extern int sysfs_set_num(struct mdinfo *sra, struct mdinfo *dev, extern int sysfs_uevent(struct mdinfo *sra, char *event); extern int sysfs_get_ll(struct mdinfo *sra, struct mdinfo *dev, char *name, unsigned long long *val); +extern int sysfs_get_str(struct mdinfo *sra, struct mdinfo *dev, + char *name, char *val, int size); extern int sysfs_set_safemode(struct mdinfo *sra, unsigned long ms); extern int sysfs_set_array(struct mdinfo *info, int vers); extern int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd); diff --git a/sysfs.c b/sysfs.c index 2dad7d3..d4a1e49 100644 --- a/sysfs.c +++ b/sysfs.c @@ -466,6 +466,25 @@ int sysfs_get_ll(struct mdinfo *sra, struct mdinfo *dev, return 0; } +int sysfs_get_str(struct mdinfo *sra, struct mdinfo *dev, + char *name, char *val, int size) +{ + char fname[50]; + int n; + int fd; + sprintf(fname, "/sys/block/%s/md/%s/%s", + sra->sys_name, dev?dev->sys_name:"", name); + fd = open(fname, O_RDONLY); + if (fd < 0) + return -1; + n = read(fd, val, size); + close(fd); + if (n <= 0) + return -1; + val[n] = 0; + return n; +} + int sysfs_set_safemode(struct mdinfo *sra, unsigned long ms) { unsigned long sec;