diff options
Diffstat (limited to 'lib/libzfs/libzfs_dataset.c')
| -rw-r--r-- | lib/libzfs/libzfs_dataset.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c index 543437492..3340c713f 100644 --- a/lib/libzfs/libzfs_dataset.c +++ b/lib/libzfs/libzfs_dataset.c @@ -23,6 +23,7 @@ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2010 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2011 by Delphix. All rights reserved. + * Copyright (c) 2012 Pawel Jakub Dawidek <[email protected]>. */ #include <ctype.h> @@ -480,6 +481,23 @@ make_dataset_handle_zc(libzfs_handle_t *hdl, zfs_cmd_t *zc) return (zhp); } +static zfs_handle_t * +make_dataset_simple_handle_zc(zfs_handle_t *pzhp, zfs_cmd_t *zc) +{ + zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); + + if (zhp == NULL) + return (NULL); + + zhp->zfs_hdl = pzhp->zfs_hdl; + (void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name)); + zhp->zfs_head_type = pzhp->zfs_type; + zhp->zfs_type = ZFS_TYPE_SNAPSHOT; + zhp->zpool_hdl = zpool_handle(zhp); + + return (zhp); +} + /* * Opens the given snapshot, filesystem, or volume. The 'types' * argument is a mask of acceptable types. The function will print an @@ -2518,7 +2536,8 @@ zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data) * Iterate over all snapshots */ int -zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data) +zfs_iter_snapshots(zfs_handle_t *zhp, boolean_t simple, zfs_iter_f func, + void *data) { zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; zfs_handle_t *nzhp; @@ -2527,15 +2546,19 @@ zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data) if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) return (0); + zc.zc_simple = simple; + if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) return (-1); while ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_SNAPSHOT_LIST_NEXT, &zc)) == 0) { - if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl, - &zc)) == NULL) { + if (simple) + nzhp = make_dataset_simple_handle_zc(zhp, &zc); + else + nzhp = make_dataset_handle_zc(zhp->zfs_hdl, &zc); + if (nzhp == NULL) continue; - } if ((ret = func(nzhp, data)) != 0) { zcmd_free_nvlists(&zc); @@ -2557,7 +2580,7 @@ zfs_iter_children(zfs_handle_t *zhp, zfs_iter_f func, void *data) if ((ret = zfs_iter_filesystems(zhp, func, data)) != 0) return (ret); - return (zfs_iter_snapshots(zhp, func, data)); + return (zfs_iter_snapshots(zhp, B_FALSE, func, data)); } /* @@ -3287,7 +3310,7 @@ zfs_promote(zfs_handle_t *zhp) return (-1); (void) zfs_prop_get(pzhp, ZFS_PROP_MOUNTPOINT, pd.cb_mountpoint, sizeof (pd.cb_mountpoint), NULL, NULL, 0, FALSE); - ret = zfs_iter_snapshots(pzhp, promote_snap_cb, &pd); + ret = zfs_iter_snapshots(pzhp, B_FALSE, promote_snap_cb, &pd); if (ret != 0) { zfs_close(pzhp); return (-1); @@ -3302,7 +3325,8 @@ zfs_promote(zfs_handle_t *zhp) if (ret != 0) { int save_errno = errno; - (void) zfs_iter_snapshots(pzhp, promote_snap_done_cb, &pd); + (void) zfs_iter_snapshots(pzhp, B_FALSE, promote_snap_done_cb, + &pd); zfs_close(pzhp); switch (save_errno) { @@ -3321,7 +3345,8 @@ zfs_promote(zfs_handle_t *zhp) return (zfs_standard_error(hdl, save_errno, errbuf)); } } else { - (void) zfs_iter_snapshots(zhp, promote_snap_done_cb, &pd); + (void) zfs_iter_snapshots(zhp, B_FALSE, promote_snap_done_cb, + &pd); } zfs_close(pzhp); |