Manage: fix removal of non-existent devices.

"--remove detached" and others stopped working a while
back when I refactored some code.
For 'remove' and  'fail', the device may not exist so
if it is  "MM:mm", (e.g. added by "detached"), just parse
out the numbers.

Reported-by: Killian De Volder <killian.de.volder@megasoft.be>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2014-08-11 10:30:42 +10:00
parent cc742d3807
commit b47024f1c5
1 changed files with 7 additions and 1 deletions

View File

@ -1298,6 +1298,7 @@ int Manage_subdevs(char *devname, int fd,
for (dv = devlist; dv; dv = dv->next) {
unsigned long rdev = 0; /* device to add/remove etc */
int rv;
int mj,mn;
if (strcmp(dv->devname, "failed") == 0 ||
strcmp(dv->devname, "faulty") == 0) {
@ -1390,7 +1391,6 @@ int Manage_subdevs(char *devname, int fd,
sysfd = sysfs_open(fd2devnm(fd), dname, "block/dev");
if (sysfd >= 0) {
char dn[20];
int mj,mn;
if (sysfs_fd_get_str(sysfd, dn, 20) > 0 &&
sscanf(dn, "%d:%d", &mj,&mn) == 2) {
rdev = makedev(mj,mn);
@ -1408,6 +1408,12 @@ int Manage_subdevs(char *devname, int fd,
goto abort;
}
}
} else if ((dv->disposition == 'r' || dv->disposition == 'f')
&& get_maj_min(dv->devname, &mj, &mn)) {
/* for 'fail' and 'remove', the device might
* not exist.
*/
rdev = makedev(mj, mn);
} else {
struct stat stb;
tfd = dev_open(dv->devname, O_RDONLY);