diff options
Diffstat (limited to 'lib/libzfs/libzfs_changelist.c')
| -rw-r--r-- | lib/libzfs/libzfs_changelist.c | 55 |
1 files changed, 34 insertions, 21 deletions
diff --git a/lib/libzfs/libzfs_changelist.c b/lib/libzfs/libzfs_changelist.c index d31bbc4a3b42..4db1cbce9568 100644 --- a/lib/libzfs/libzfs_changelist.c +++ b/lib/libzfs/libzfs_changelist.c @@ -6,7 +6,7 @@ * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. + * or https://opensource.org/licenses/CDDL-1.0. * See the License for the specific language governing permissions * and limitations under the License. * @@ -105,6 +105,15 @@ changelist_prefix(prop_changelist_t *clp) clp->cl_prop != ZFS_PROP_SHARESMB) return (0); + /* + * If CL_GATHER_DONT_UNMOUNT is set, don't want to unmount/unshare and + * later (re)mount/(re)share the filesystem in postfix phase, so we + * return from here. If filesystem is mounted or unmounted, leave it + * as it is. + */ + if (clp->cl_gflags & CL_GATHER_DONT_UNMOUNT) + return (0); + if ((walk = uu_avl_walk_start(clp->cl_tree, UU_WALK_ROBUST)) == NULL) return (-1); @@ -129,8 +138,6 @@ changelist_prefix(prop_changelist_t *clp) */ switch (clp->cl_prop) { case ZFS_PROP_MOUNTPOINT: - if (clp->cl_gflags & CL_GATHER_DONT_UNMOUNT) - break; if (zfs_unmount(cn->cn_handle, NULL, clp->cl_mflags) != 0) { ret = -1; @@ -164,9 +171,8 @@ changelist_prefix(prop_changelist_t *clp) * reshare the filesystems as necessary. In changelist_gather() we recorded * whether the filesystem was previously shared or mounted. The action we take * depends on the previous state, and whether the value was previously 'legacy'. - * For non-legacy properties, we only remount/reshare the filesystem if it was - * previously mounted/shared. Otherwise, we always remount/reshare the - * filesystem. + * For non-legacy properties, we always remount/reshare the filesystem, + * if CL_GATHER_DONT_UNMOUNT is not set. */ int changelist_postfix(prop_changelist_t *clp) @@ -174,11 +180,18 @@ changelist_postfix(prop_changelist_t *clp) prop_changenode_t *cn; uu_avl_walk_t *walk; char shareopts[ZFS_MAXPROPLEN]; - int errors = 0; boolean_t commit_smb_shares = B_FALSE; boolean_t commit_nfs_shares = B_FALSE; /* + * If CL_GATHER_DONT_UNMOUNT is set, it means we don't want to (un)mount + * or (re/un)share the filesystem, so we return from here. If filesystem + * is mounted or unmounted, leave it as it is. + */ + if (clp->cl_gflags & CL_GATHER_DONT_UNMOUNT) + return (0); + + /* * If we're changing the mountpoint, attempt to destroy the underlying * mountpoint. All other datasets will have inherited from this dataset * (in which case their mountpoints exist in the filesystem in the new @@ -240,17 +253,16 @@ changelist_postfix(prop_changelist_t *clp) needs_key = (zfs_prop_get_int(cn->cn_handle, ZFS_PROP_KEYSTATUS) == ZFS_KEYSTATUS_UNAVAILABLE); - mounted = (clp->cl_gflags & CL_GATHER_DONT_UNMOUNT) || - zfs_is_mounted(cn->cn_handle, NULL); + mounted = zfs_is_mounted(cn->cn_handle, NULL); if (!mounted && !needs_key && (cn->cn_mounted || - ((sharenfs || sharesmb || clp->cl_waslegacy) && + (((clp->cl_prop == ZFS_PROP_MOUNTPOINT && + clp->cl_prop == clp->cl_realprop) || + sharenfs || sharesmb || clp->cl_waslegacy) && (zfs_prop_get_int(cn->cn_handle, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON)))) { - if (zfs_mount(cn->cn_handle, NULL, 0) != 0) - errors++; - else + if (zfs_mount(cn->cn_handle, NULL, 0) == 0) mounted = TRUE; } @@ -262,19 +274,19 @@ changelist_postfix(prop_changelist_t *clp) const enum sa_protocol nfs[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL}; if (sharenfs && mounted) { - errors += zfs_share(cn->cn_handle, nfs); + zfs_share(cn->cn_handle, nfs); commit_nfs_shares = B_TRUE; } else if (cn->cn_shared || clp->cl_waslegacy) { - errors += zfs_unshare(cn->cn_handle, NULL, nfs); + zfs_unshare(cn->cn_handle, NULL, nfs); commit_nfs_shares = B_TRUE; } const enum sa_protocol smb[] = {SA_PROTOCOL_SMB, SA_NO_PROTOCOL}; if (sharesmb && mounted) { - errors += zfs_share(cn->cn_handle, smb); + zfs_share(cn->cn_handle, smb); commit_smb_shares = B_TRUE; } else if (cn->cn_shared || clp->cl_waslegacy) { - errors += zfs_unshare(cn->cn_handle, NULL, smb); + zfs_unshare(cn->cn_handle, NULL, smb); commit_smb_shares = B_TRUE; } } @@ -288,7 +300,7 @@ changelist_postfix(prop_changelist_t *clp) zfs_commit_shares(proto); uu_avl_walk_end(walk); - return (errors ? -1 : 0); + return (0); } /* @@ -552,7 +564,7 @@ change_one(zfs_handle_t *zhp, void *data) } if (!clp->cl_alldependents) - ret = zfs_iter_children(zhp, change_one, data); + ret = zfs_iter_children_v2(zhp, 0, change_one, data); /* * If we added the handle to the changelist, we will re-use it @@ -721,11 +733,12 @@ changelist_gather(zfs_handle_t *zhp, zfs_prop_t prop, int gather_flags, return (NULL); } } else if (clp->cl_alldependents) { - if (zfs_iter_dependents(zhp, B_TRUE, change_one, clp) != 0) { + if (zfs_iter_dependents_v2(zhp, 0, B_TRUE, change_one, + clp) != 0) { changelist_free(clp); return (NULL); } - } else if (zfs_iter_children(zhp, change_one, clp) != 0) { + } else if (zfs_iter_children_v2(zhp, 0, change_one, clp) != 0) { changelist_free(clp); return (NULL); } |