diff options
Diffstat (limited to 'usr/src/lib/libzfs')
| -rw-r--r-- | usr/src/lib/libzfs/common/libzfs.h | 6 | ||||
| -rw-r--r-- | usr/src/lib/libzfs/common/libzfs_dataset.c | 146 | ||||
| -rw-r--r-- | usr/src/lib/libzfs/common/libzfs_impl.h | 4 | ||||
| -rw-r--r-- | usr/src/lib/libzfs/common/libzfs_iter.c | 62 | ||||
| -rw-r--r-- | usr/src/lib/libzfs/common/libzfs_sendrecv.c | 56 | ||||
| -rw-r--r-- | usr/src/lib/libzfs/common/mapfile-vers | 6 |
6 files changed, 239 insertions, 41 deletions
diff --git a/usr/src/lib/libzfs/common/libzfs.h b/usr/src/lib/libzfs/common/libzfs.h index 35d2c26a9b..62dce8f2d4 100644 --- a/usr/src/lib/libzfs/common/libzfs.h +++ b/usr/src/lib/libzfs/common/libzfs.h @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. * Copyright (c) 2013 Steven Hartland. All rights reserved. * Copyright 2013 Nexenta Systems, Inc. All rights reserved. @@ -192,6 +192,7 @@ extern int zpool_log_history(libzfs_handle_t *, const char *); extern int libzfs_errno(libzfs_handle_t *); extern const char *libzfs_error_action(libzfs_handle_t *); extern const char *libzfs_error_description(libzfs_handle_t *); +extern int zfs_standard_error(libzfs_handle_t *, int, const char *); extern void libzfs_mnttab_init(libzfs_handle_t *); extern void libzfs_mnttab_fini(libzfs_handle_t *); extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t); @@ -534,6 +535,7 @@ extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *); extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *); extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *); extern int zfs_iter_snapspec(zfs_handle_t *, const char *, zfs_iter_f, void *); +extern int zfs_iter_bookmarks(zfs_handle_t *, zfs_iter_f, void *); typedef struct get_all_cb { zfs_handle_t **cb_handles; @@ -595,6 +597,7 @@ typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *); extern int zfs_send(zfs_handle_t *, const char *, const char *, sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **); +extern int zfs_send_one(zfs_handle_t *, const char *, int); extern int zfs_promote(zfs_handle_t *); extern int zfs_hold(zfs_handle_t *, const char *, const char *, @@ -664,6 +667,7 @@ extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t); extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *, zfs_type_t); extern int zfs_spa_version(zfs_handle_t *, int *); +extern boolean_t zfs_bookmark_exists(const char *path); /* * Mount support functions. diff --git a/usr/src/lib/libzfs/common/libzfs_dataset.c b/usr/src/lib/libzfs/common/libzfs_dataset.c index e1fa965893..26e5adc02c 100644 --- a/usr/src/lib/libzfs/common/libzfs_dataset.c +++ b/usr/src/lib/libzfs/common/libzfs_dataset.c @@ -296,7 +296,7 @@ zpool_handle(zfs_handle_t *zhp) int len; zpool_handle_t *zph; - len = strcspn(zhp->zfs_name, "/@") + 1; + len = strcspn(zhp->zfs_name, "/@#") + 1; pool_name = zfs_alloc(zhp->zfs_hdl, len); (void) strlcpy(pool_name, zhp->zfs_name, len); @@ -568,6 +568,70 @@ zfs_handle_dup(zfs_handle_t *zhp_orig) return (zhp); } +boolean_t +zfs_bookmark_exists(const char *path) +{ + nvlist_t *bmarks; + nvlist_t *props; + char fsname[ZFS_MAXNAMELEN]; + char *bmark_name; + char *pound; + int err; + boolean_t rv; + + + (void) strlcpy(fsname, path, sizeof (fsname)); + pound = strchr(fsname, '#'); + if (pound == NULL) + return (B_FALSE); + + *pound = '\0'; + bmark_name = pound + 1; + props = fnvlist_alloc(); + err = lzc_get_bookmarks(fsname, props, &bmarks); + nvlist_free(props); + if (err != 0) { + nvlist_free(bmarks); + return (B_FALSE); + } + + rv = nvlist_exists(bmarks, bmark_name); + nvlist_free(bmarks); + return (rv); +} + +zfs_handle_t * +make_bookmark_handle(zfs_handle_t *parent, const char *path, + nvlist_t *bmark_props) +{ + zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); + + if (zhp == NULL) + return (NULL); + + /* Fill in the name. */ + zhp->zfs_hdl = parent->zfs_hdl; + (void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); + + /* Set the property lists. */ + if (nvlist_dup(bmark_props, &zhp->zfs_props, 0) != 0) { + free(zhp); + return (NULL); + } + + /* Set the types. */ + zhp->zfs_head_type = parent->zfs_head_type; + zhp->zfs_type = ZFS_TYPE_BOOKMARK; + + if ((zhp->zpool_hdl = zpool_handle(zhp)) == NULL) { + nvlist_free(zhp->zfs_props); + free(zhp); + return (NULL); + } + + return (zhp); +} + /* * Opens the given snapshot, filesystem, or volume. The 'types' * argument is a mask of acceptable types. The function will print an @@ -2250,6 +2314,9 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, case ZFS_TYPE_SNAPSHOT: str = "snapshot"; break; + case ZFS_TYPE_BOOKMARK: + str = "bookmark"; + break; default: abort(); } @@ -3100,6 +3167,19 @@ zfs_destroy(zfs_handle_t *zhp, boolean_t defer) { zfs_cmd_t zc = { 0 }; + if (zhp->zfs_type == ZFS_TYPE_BOOKMARK) { + nvlist_t *nv = fnvlist_alloc(); + fnvlist_add_boolean(nv, zhp->zfs_name); + int error = lzc_destroy_bookmarks(nv, NULL); + fnvlist_free(nv); + if (error != 0) { + return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, + dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), + zhp->zfs_name)); + } + return (0); + } + (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); if (ZFS_IS_VOLUME(zhp)) { @@ -3482,45 +3562,44 @@ typedef struct rollback_data { const char *cb_target; /* the snapshot */ uint64_t cb_create; /* creation time reference */ boolean_t cb_error; - boolean_t cb_dependent; boolean_t cb_force; } rollback_data_t; static int -rollback_destroy(zfs_handle_t *zhp, void *data) +rollback_destroy_dependent(zfs_handle_t *zhp, void *data) { rollback_data_t *cbp = data; + prop_changelist_t *clp; + + /* We must destroy this clone; first unmount it */ + clp = changelist_gather(zhp, ZFS_PROP_NAME, 0, + cbp->cb_force ? MS_FORCE: 0); + if (clp == NULL || changelist_prefix(clp) != 0) { + cbp->cb_error = B_TRUE; + zfs_close(zhp); + return (0); + } + if (zfs_destroy(zhp, B_FALSE) != 0) + cbp->cb_error = B_TRUE; + else + changelist_remove(clp, zhp->zfs_name); + (void) changelist_postfix(clp); + changelist_free(clp); - if (!cbp->cb_dependent) { - if (strcmp(zhp->zfs_name, cbp->cb_target) != 0 && - zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT && - zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > - cbp->cb_create) { + zfs_close(zhp); + return (0); +} - cbp->cb_dependent = B_TRUE; - cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE, - rollback_destroy, cbp); - cbp->cb_dependent = B_FALSE; +static int +rollback_destroy(zfs_handle_t *zhp, void *data) +{ + rollback_data_t *cbp = data; - cbp->cb_error |= zfs_destroy(zhp, B_FALSE); - } - } else { - /* We must destroy this clone; first unmount it */ - prop_changelist_t *clp; + if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) { + cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE, + rollback_destroy_dependent, cbp); - clp = changelist_gather(zhp, ZFS_PROP_NAME, 0, - cbp->cb_force ? MS_FORCE: 0); - if (clp == NULL || changelist_prefix(clp) != 0) { - cbp->cb_error = B_TRUE; - zfs_close(zhp); - return (0); - } - if (zfs_destroy(zhp, B_FALSE) != 0) - cbp->cb_error = B_TRUE; - else - changelist_remove(clp, zhp->zfs_name); - (void) changelist_postfix(clp); - changelist_free(clp); + cbp->cb_error |= zfs_destroy(zhp, B_FALSE); } zfs_close(zhp); @@ -3531,8 +3610,8 @@ rollback_destroy(zfs_handle_t *zhp, void *data) * Given a dataset, rollback to a specific snapshot, discarding any * data changes since then and making it the active dataset. * - * Any snapshots more recent than the target are destroyed, along with - * their dependents. + * Any snapshots and bookmarks more recent than the target are + * destroyed, along with their dependents (i.e. clones). */ int zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force) @@ -3552,7 +3631,8 @@ zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force) cb.cb_force = force; cb.cb_target = snap->zfs_name; cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); - (void) zfs_iter_children(zhp, rollback_destroy, &cb); + (void) zfs_iter_snapshots(zhp, rollback_destroy, &cb); + (void) zfs_iter_bookmarks(zhp, rollback_destroy, &cb); if (cb.cb_error) return (-1); diff --git a/usr/src/lib/libzfs/common/libzfs_impl.h b/usr/src/lib/libzfs/common/libzfs_impl.h index 62793dcda1..9d98718dcb 100644 --- a/usr/src/lib/libzfs/common/libzfs_impl.h +++ b/usr/src/lib/libzfs/common/libzfs_impl.h @@ -22,7 +22,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. */ #ifndef _LIBZFS_IMPL_H @@ -189,6 +189,8 @@ int create_parents(libzfs_handle_t *, char *, int); boolean_t isa_child_of(const char *dataset, const char *parent); zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *); +zfs_handle_t *make_bookmark_handle(zfs_handle_t *, const char *, + nvlist_t *props); int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **); diff --git a/usr/src/lib/libzfs/common/libzfs_iter.c b/usr/src/lib/libzfs/common/libzfs_iter.c index 0bc89cbf8d..19ac0b2625 100644 --- a/usr/src/lib/libzfs/common/libzfs_iter.c +++ b/usr/src/lib/libzfs/common/libzfs_iter.c @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. * Copyright 2013 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. */ @@ -147,7 +147,8 @@ zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data) zfs_handle_t *nzhp; int ret; - if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) + if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT || + zhp->zfs_type == ZFS_TYPE_BOOKMARK) return (0); if (zhp->zfs_hdl->libzfs_cachedprops && @@ -174,6 +175,59 @@ zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data) } /* + * Iterate over all bookmarks + */ +int +zfs_iter_bookmarks(zfs_handle_t *zhp, zfs_iter_f func, void *data) +{ + zfs_handle_t *nzhp; + nvlist_t *props = NULL; + nvlist_t *bmarks = NULL; + int err; + + if ((zfs_get_type(zhp) & (ZFS_TYPE_SNAPSHOT | ZFS_TYPE_BOOKMARK)) != 0) + return (0); + + /* Setup the requested properties nvlist. */ + props = fnvlist_alloc(); + fnvlist_add_boolean(props, zfs_prop_to_name(ZFS_PROP_GUID)); + fnvlist_add_boolean(props, zfs_prop_to_name(ZFS_PROP_CREATETXG)); + fnvlist_add_boolean(props, zfs_prop_to_name(ZFS_PROP_CREATION)); + + /* Allocate an nvlist to hold the bookmarks. */ + bmarks = fnvlist_alloc(); + + if ((err = lzc_get_bookmarks(zhp->zfs_name, props, &bmarks)) != 0) + goto out; + + for (nvpair_t *pair = nvlist_next_nvpair(bmarks, NULL); + pair != NULL; pair = nvlist_next_nvpair(bmarks, pair)) { + char name[ZFS_MAXNAMELEN]; + char *bmark_name; + nvlist_t *bmark_props; + + bmark_name = nvpair_name(pair); + bmark_props = fnvpair_value_nvlist(pair); + + (void) snprintf(name, sizeof (name), "%s#%s", zhp->zfs_name, + bmark_name); + + nzhp = make_bookmark_handle(zhp, name, bmark_props); + if (nzhp == NULL) + continue; + + if ((err = func(nzhp, data)) != 0) + goto out; + } + +out: + fnvlist_free(props); + fnvlist_free(bmarks); + + return (err); +} + +/* * Routines for dealing with the sorted snapshot functionality */ typedef struct zfs_node { @@ -407,13 +461,13 @@ static int iter_dependents_cb(zfs_handle_t *zhp, void *arg) { iter_dependents_arg_t *ida = arg; - int err; + int err = 0; boolean_t first = ida->first; ida->first = B_FALSE; if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { err = zfs_iter_clones(zhp, iter_dependents_cb, ida); - } else { + } else if (zhp->zfs_type != ZFS_TYPE_BOOKMARK) { iter_stack_frame_t isf; iter_stack_frame_t *f; diff --git a/usr/src/lib/libzfs/common/libzfs_sendrecv.c b/usr/src/lib/libzfs/common/libzfs_sendrecv.c index fefaa0d513..8e0e4e1e6e 100644 --- a/usr/src/lib/libzfs/common/libzfs_sendrecv.c +++ b/usr/src/lib/libzfs/common/libzfs_sendrecv.c @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. * Copyright (c) 2013 Steven Hartland. All rights reserved. */ @@ -1609,6 +1609,60 @@ err_out: return (err); } +int +zfs_send_one(zfs_handle_t *zhp, const char *from, int fd) +{ + int err; + libzfs_handle_t *hdl = zhp->zfs_hdl; + + char errbuf[1024]; + (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, + "warning: cannot send '%s'"), zhp->zfs_name); + + err = lzc_send(zhp->zfs_name, from, fd); + if (err != 0) { + switch (errno) { + case EXDEV: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "not an earlier snapshot from the same fs")); + return (zfs_error(hdl, EZFS_CROSSTARGET, errbuf)); + + case ENOENT: + case ESRCH: + if (lzc_exists(zhp->zfs_name)) { + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "incremental source (%s) does not exist"), + from); + } + return (zfs_error(hdl, EZFS_NOENT, errbuf)); + + case EBUSY: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "target is busy; if a filesystem, " + "it must not be mounted")); + return (zfs_error(hdl, EZFS_BUSY, errbuf)); + + case EDQUOT: + case EFBIG: + case EIO: + case ENOLINK: + case ENOSPC: + case ENOSTR: + case ENXIO: + case EPIPE: + case ERANGE: + case EFAULT: + case EROFS: + zfs_error_aux(hdl, strerror(errno)); + return (zfs_error(hdl, EZFS_BADBACKUP, errbuf)); + + default: + return (zfs_standard_error(hdl, errno, errbuf)); + } + } + return (err != 0); +} + /* * Routines specific to "zfs recv" */ diff --git a/usr/src/lib/libzfs/common/mapfile-vers b/usr/src/lib/libzfs/common/mapfile-vers index d2ce523cf8..0e10528f9e 100644 --- a/usr/src/lib/libzfs/common/mapfile-vers +++ b/usr/src/lib/libzfs/common/mapfile-vers @@ -20,7 +20,7 @@ # # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. # Copyright 2011 Nexenta Systems, Inc. All rights reserved. -# Copyright (c) 2012 by Delphix. All rights reserved. +# Copyright (c) 2013 by Delphix. All rights reserved. # Copyright (c) 2012, Joyent, Inc. All rights reserved. # # MAPFILE HEADER START @@ -64,6 +64,7 @@ SYMBOL_VERSION SUNWprivate_1.1 { spa_feature_table; zfs_allocatable_devs; zfs_asprintf; + zfs_bookmark_exists; zfs_clone; zfs_close; zfs_create; @@ -87,6 +88,7 @@ SYMBOL_VERSION SUNWprivate_1.1 { zfs_is_shared; zfs_is_shared_nfs; zfs_is_shared_smb; + zfs_iter_bookmarks; zfs_iter_children; zfs_iter_dependents; zfs_iter_filesystems; @@ -137,6 +139,7 @@ SYMBOL_VERSION SUNWprivate_1.1 { zfs_rollback; zfs_save_arguments; zfs_send; + zfs_send_one; zfs_share; zfs_shareall; zfs_share_nfs; @@ -150,6 +153,7 @@ SYMBOL_VERSION SUNWprivate_1.1 { zfs_snapshot_nvl; zfs_spa_version; zfs_spa_version_map; + zfs_standard_error; zfs_type_to_name; zfs_unmount; zfs_unmountall; |