diff options
Diffstat (limited to 'usr/src/uts/common/fs/dev/sdev_subr.c')
| -rw-r--r-- | usr/src/uts/common/fs/dev/sdev_subr.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/usr/src/uts/common/fs/dev/sdev_subr.c b/usr/src/uts/common/fs/dev/sdev_subr.c index 127329c8d4..9134a4d7ae 100644 --- a/usr/src/uts/common/fs/dev/sdev_subr.c +++ b/usr/src/uts/common/fs/dev/sdev_subr.c @@ -614,6 +614,9 @@ static struct sdev_vop_table vtab[] = { "net", devnet_vnodeops_tbl, NULL, &devnet_vnodeops, devnet_validate, SDEV_DYNAMIC | SDEV_VTOR }, + { "ipnet", devipnet_vnodeops_tbl, NULL, &devipnet_vnodeops, + devipnet_validate, SDEV_DYNAMIC | SDEV_VTOR | SDEV_NO_NCACHE }, + { NULL, NULL, NULL, NULL, NULL, 0} }; @@ -2328,7 +2331,7 @@ tryagain: } } - +lookup_create_node: /* first thread that is doing the lookup on this node */ if (!dv) { if (!rw_tryupgrade(&ddv->sdev_contents)) { @@ -2451,6 +2454,24 @@ found: switch (vtor(dv)) { case SDEV_VTOR_VALID: break; + case SDEV_VTOR_STALE: + /* + * The name exists, but the cache entry is + * stale and needs to be re-created. + */ + ASSERT(RW_READ_HELD(&ddv->sdev_contents)); + if (rw_tryupgrade(&ddv->sdev_contents) == 0) { + rw_exit(&ddv->sdev_contents); + rw_enter(&ddv->sdev_contents, RW_WRITER); + } + error = sdev_cache_update(ddv, &dv, nm, + SDEV_CACHE_DELETE); + rw_downgrade(&ddv->sdev_contents); + if (error == 0) { + dv = NULL; + goto lookup_create_node; + } + /* FALLTHRU */ case SDEV_VTOR_INVALID: SD_TRACE_FAILED_LOOKUP(ddv, nm, retried); sdcmn_err7(("lookup: destroy invalid " |