#include "mdadm.h"
#include "md_u.h"
#include "md_p.h"
+#include <ctype.h>
#define REGISTER_DEV _IO (MD_MAJOR, 1)
#define START_MD _IO (MD_MAJOR, 2)
*
*/
mdu_array_info_t array;
+#ifndef MDASSEMBLE
struct mdinfo *mdi;
+#endif
if (md_get_version(fd) < 9000) {
fprintf(stderr, Name ": need md driver version 0.90.0 or later\n");
return 1;
}
+#ifndef MDASSEMBLE
/* If this is an externally-manage array, we need to modify the
* metadata_version so that mdmon doesn't undo our change.
*/
}
return 0;
}
-
+#endif
if (ioctl(fd, GET_ARRAY_INFO, &array)) {
fprintf(stderr, Name ": %s does not appear to be active.\n",
devname);
#ifndef MDASSEMBLE
+static void remove_devices(int devnum, char *path)
+{
+ /* Remove all 'standard' devices for 'devnum', including
+ * partitions. Also remove names at 'path' - possibly with
+ * partition suffixes - which link to those names.
+ */
+ char base[40];
+ char *path2;
+ char link[1024];
+ int n;
+ int part;
+ char *be;
+ char *pe;
+
+ if (devnum >= 0)
+ sprintf(base, "/dev/md%d", devnum);
+ else
+ sprintf(base, "/dev/md_d%d", -1-devnum);
+ be = base + strlen(base);
+ if (path) {
+ path2 = malloc(strlen(path)+20);
+ strcpy(path2, path);
+ pe = path2 + strlen(path2);
+ } else
+ path = NULL;
+
+ for (part = 0; part < 16; part++) {
+ if (part) {
+ sprintf(be, "p%d", part);
+ if (isdigit(pe[-1]))
+ sprintf(pe, "p%d", part);
+ else
+ sprintf(pe, "%d", part);
+ }
+ /* FIXME test if really is md device ?? */
+ unlink(base);
+ if (path) {
+ n = readlink(path2, link, sizeof(link));
+ if (n && strlen(base) == n &&
+ strncmp(link, base, n) == 0)
+ unlink(path2);
+ }
+ }
+}
+
+
int Manage_runstop(char *devname, int fd, int runstop, int quiet)
{
/* Run or stop the array. array must already be configured
struct map_ent *map = NULL;
struct stat stb;
struct mdinfo *mdi;
+ int devnum;
/* If this is an mdmon managed array, just write 'inactive'
* to the array state and let mdmon clear up.
*/
+ devnum = fd2devnum(fd);
mdi = sysfs_read(fd, -1, GET_LEVEL|GET_VERSION);
if (mdi &&
mdi->array.level > 0 &&
*/
ping_monitor(mdi->sys_name);
}
- if (mdi)
- sysfs_free(mdi);
if (fd >= 0 && ioctl(fd, STOP_ARRAY, NULL)) {
if (quiet == 0) {
"process, mounted filesystem "
"or active volume group?\n");
}
+ if (mdi)
+ sysfs_free(mdi);
return 1;
}
+ /* prior to 2.6.28, KOBJ_CHANGE was not sent when an md array
+ * was stopped, so We'll do it here just to be sure.
+ */
+ if (mdi)
+ sysfs_uevent(mdi, "change");
+
+
+ if (devnum != NoMdDev &&
+ (stat("/dev/.udev", &stb) != 0 ||
+ check_env("MDADM_NO_UDEV"))) {
+ struct map_ent *mp = map_by_devnum(&map, devnum);
+ remove_devices(devnum, mp ? mp->path : NULL);
+ }
+
if (quiet <= 0)
fprintf(stderr, Name ": stopped %s\n", devname);
- if (fd >= 0 && fstat(fd, &stb) == 0) {
- int devnum;
- if (major(stb.st_rdev) == MD_MAJOR)
- devnum = minor(stb.st_rdev);
- else
- devnum = -1-(minor(stb.st_rdev)>>6);
+ if (devnum != NoMdDev) {
map_delete(&map, devnum);
map_write(map);
map_free(map);
}
if (array.not_persistent == 0 || tst->ss->external) {
- /* Make sure device is large enough */
- if (tst->ss->avail_size(tst, ldsize/512) <
- array_size) {
- fprintf(stderr, Name ": %s not large enough to join array\n",
- dv->devname);
- return 1;
- }
/* need to find a sample superblock to copy, and
* a spare slot to use.
fprintf(stderr, Name ": cannot find valid superblock in this array - HELP\n");
return 1;
}
+
+ /* Make sure device is large enough */
+ if (tst->ss->avail_size(tst, ldsize/512) <
+ array_size) {
+ fprintf(stderr, Name ": %s not large enough to join array\n",
+ dv->devname);
+ return 1;
+ }
+
/* Possibly this device was recently part of the array
* and was temporarily removed, and is now being re-added.
* If so, we can simply re-add it.
disc.number = mdi.disk.number;
disc.raid_disk = mdi.disk.raid_disk;
disc.state = mdi.disk.state;
- if (dv->writemostly)
+ if (dv->writemostly == 1)
disc.state |= 1 << MD_DISK_WRITEMOSTLY;
+ if (dv->writemostly == 2)
+ disc.state &= ~(1 << MD_DISK_WRITEMOSTLY);
if (ioctl(fd, ADD_NEW_DISK, &disc) == 0) {
if (verbose >= 0)
fprintf(stderr, Name ": re-added %s\n", dv->devname);
disc.state = 0;
if (array.not_persistent==0 || tst->ss->external) {
int dfd;
- if (dv->writemostly)
+ if (dv->writemostly == 1)
disc.state |= 1 << MD_DISK_WRITEMOSTLY;
dfd = open(dv->devname, O_RDWR | O_EXCL|O_DIRECT);
tst->ss->add_to_super(tst, &disc, dfd,
break;
}
}
- if (dv->writemostly)
+ if (dv->writemostly == 1)
disc.state |= (1 << MD_DISK_WRITEMOSTLY);
if (tst->ss->external) {
/* add a disk to an external metadata container
close(lfd);
return 1;
}
+ if (tst->ss->external) {
+ /*
+ * Before dropping our exclusive open we make an
+ * attempt at preventing mdmon from seeing an
+ * 'add' event before reconciling this 'remove'
+ * event.
+ */
+ char *name = devnum2devname(fd2devnum(fd));
+
+ if (!name) {
+ fprintf(stderr, Name ": unable to get container name\n");
+ return 1;
+ }
+
+ ping_manager(name);
+ free(name);
+ }
close(lfd);
if (verbose >= 0)
fprintf(stderr, Name ": hot removed %s\n",
projects / thirdparty / mdadm.git / blobdiff