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Use the right device path when relabeling.

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Currently, zpool_vdev_online() calls zpool_relabel_disk() with a short
partition device name, which is obviously wrong because (1)
zpool_relabel_disk() expects a full, absolute path to use with open()
and (2) efi_write() must be called on an opened disk device, not a
partition device.

With this patch, zpool_relabel_disk() gets called with a full disk
device path. The path is determined using the same algorithm as
zpool_find_vdev().

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #808
This commit is contained in:
Etienne Dechamps 2012-07-06 16:22:03 +02:00 committed by Brian Behlendorf
parent 8adf486422
commit 7608bd0dd0
1 changed files with 14 additions and 5 deletions
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19
lib/libzfs/libzfs_pool.c
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@ -2143,13 +2143,10 @@ zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
if (flags & ZFS_ONLINE_EXPAND ||
zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) {
char *pathname = NULL;
uint64_t wholedisk = 0;
(void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK,
&wholedisk);
verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH,
&pathname) == 0);
/*
* XXX - L2ARC 1.0 devices can't support expansion.
@ -2161,8 +2158,20 @@ zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
}
if (wholedisk) {
pathname += strlen(DISK_ROOT) + 1;
error = zpool_relabel_disk(hdl, pathname, msg);
const char *fullpath = path;
char buf[MAXPATHLEN];
if (path[0] != '/') {
error = zfs_resolve_shortname(path, buf,
sizeof(buf));
if (error != 0)
return (zfs_error(hdl, EZFS_NODEVICE,
msg));
fullpath = buf;
}
error = zpool_relabel_disk(hdl, fullpath, msg);
if (error != 0)
return (error);
}