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MFV r249186:

Browse source 
Do not list read-only pools in zpool.cache
Reduce diff against vendor in unused vdev_disk.c

Illumos ZFS issues:
  3639 zpool.cache should skip over readonly pools
  3640 want automatic devid updates

MFC after:	1 week
This commit is contained in:
Martin Matuska 2013-04-06 17:24:00 +00:00
parent bb60e990e9 fb097b6165
commit a548fef5dc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=249209
2 changed files with 35 additions and 3 deletions
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10
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_config.c
View file

@ -220,7 +220,15 @@ spa_config_sync(spa_t *target, boolean_t removing, boolean_t postsysevent)
*/
nvl = NULL;
while ((spa = spa_next(spa)) != NULL) {
if (spa == target && removing)
/*
* Skip over our own pool if we're about to remove
* ourselves from the spa namespace or any pool that
* is readonly. Since we cannot guarantee that a
* readonly pool would successfully import upon reboot,
* we don't allow them to be written to the cache file.
*/
if ((spa == target && removing) ||
!spa_writeable(spa))
continue;
mutex_enter(&spa->spa_props_lock);

28
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_disk.c
View file

@ -144,6 +144,8 @@ vdev_disk_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize,
int error;
dev_t dev;
int otyp;
boolean_t validate_devid = B_FALSE;
ddi_devid_t devid;
/*
* We must have a pathname, and it must be absolute.
@ -192,7 +194,6 @@ vdev_disk_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize,
error = EINVAL; /* presume failure */
if (vd->vdev_path != NULL) {
ddi_devid_t devid;
if (vd->vdev_wholedisk == -1ULL) {
size_t len = strlen(vd->vdev_path) + 3;
@ -241,9 +242,10 @@ vdev_disk_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize,
* If we were unable to open by path, or the devid check fails, open by
* devid instead.
*/
if (error != 0 && vd->vdev_devid != NULL)
if (error != 0 && vd->vdev_devid != NULL) {
error = ldi_open_by_devid(dvd->vd_devid, dvd->vd_minor,
spa_mode(spa), kcred, &dvd->vd_lh, zfs_li);
}
/*
* If all else fails, then try opening by physical path (if available)
@ -252,6 +254,9 @@ vdev_disk_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize,
* level vdev validation will prevent us from opening the wrong device.
*/
if (error) {
if (vd->vdev_devid != NULL)
validate_devid = B_TRUE;
if (vd->vdev_physpath != NULL &&
(dev = ddi_pathname_to_dev_t(vd->vdev_physpath)) != NODEV)
error = ldi_open_by_dev(&dev, OTYP_BLK, spa_mode(spa),
@ -272,6 +277,25 @@ vdev_disk_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize,
return (error);
}
/*
* Now that the device has been successfully opened, update the devid
* if necessary.
*/
if (validate_devid && spa_writeable(spa) &&
ldi_get_devid(dvd->vd_lh, &devid) == 0) {
if (ddi_devid_compare(devid, dvd->vd_devid) != 0) {
char *vd_devid;
vd_devid = ddi_devid_str_encode(devid, dvd->vd_minor);
zfs_dbgmsg("vdev %s: update devid from %s, "
"to %s", vd->vdev_path, vd->vdev_devid, vd_devid);
spa_strfree(vd->vdev_devid);
vd->vdev_devid = spa_strdup(vd_devid);
ddi_devid_str_free(vd_devid);
}
ddi_devid_free(devid);
}
/*
* Once a device is opened, verify that the physical device path (if
* available) is up to date.