Date: Wed, 26 Dec 2018 07:57:22 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r342469 - vendor-sys/illumos/dist/uts/common/fs/zfs vendor/illumos/dist/lib/libzfs/common vendor/illumos/dist/lib/libzfs_core/common Message-ID: <201812260757.wBQ7vMS2046669@repo.freebsd.org>
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Author: avg Date: Wed Dec 26 07:57:21 2018 New Revision: 342469 URL: https://svnweb.freebsd.org/changeset/base/342469 Log: 9630 add lzc_rename and lzc_destroy to libzfs_core illumos/illumos-gate@049ba636fa37a2892809192fc671bff9158a01cd https://github.com/illumos/illumos-gate/commit/049ba636fa37a2892809192fc671bff9158a01cd https://www.illumos.org/issues/9630 Rename and destroy are very useful operations that deserve to be in libzfs_core. And they are not hard to implement too. Reviewed by: Andy Stormont <astormont@racktopsystems.com> Reviewed by: Matt Ahrens <matt@delphix.com> Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com> Approved by: Dan McDonald <danmcd@joyent.com> Author: Andriy Gapon <avg@FreeBSD.org> Modified: vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c vendor/illumos/dist/lib/libzfs/common/libzfs_sendrecv.c vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.c vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.h Changes in other areas also in this revision: Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_ioctl.c Modified: vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c ============================================================================== --- vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c Wed Dec 26 04:06:16 2018 (r342468) +++ vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c Wed Dec 26 07:57:21 2018 (r342469) @@ -3609,32 +3609,34 @@ zfs_create(libzfs_handle_t *hdl, const char *path, zfs int zfs_destroy(zfs_handle_t *zhp, boolean_t defer) { - zfs_cmd_t zc = { 0 }; + int error; + if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT && defer) + return (EINVAL); + 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); + error = lzc_destroy_bookmarks(nv, NULL); fnvlist_free(nv); if (error != 0) { - return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, + return (zfs_standard_error_fmt(zhp->zfs_hdl, error, 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)) { - zc.zc_objset_type = DMU_OST_ZVOL; + if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { + nvlist_t *nv = fnvlist_alloc(); + fnvlist_add_boolean(nv, zhp->zfs_name); + error = lzc_destroy_snaps(nv, defer, NULL); + fnvlist_free(nv); } else { - zc.zc_objset_type = DMU_OST_ZFS; + error = lzc_destroy(zhp->zfs_name); } - zc.zc_defer_destroy = defer; - if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0 && - errno != ENOENT) { + if (error != 0 && error != ENOENT) { return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), zhp->zfs_name)); Modified: vendor/illumos/dist/lib/libzfs/common/libzfs_sendrecv.c ============================================================================== --- vendor/illumos/dist/lib/libzfs/common/libzfs_sendrecv.c Wed Dec 26 04:06:16 2018 (r342468) +++ vendor/illumos/dist/lib/libzfs/common/libzfs_sendrecv.c Wed Dec 26 07:57:21 2018 (r342469) @@ -2133,7 +2133,6 @@ recv_rename(libzfs_handle_t *hdl, const char *name, co int baselen, char *newname, recvflags_t *flags) { static int seq; - zfs_cmd_t zc = { 0 }; int err; prop_changelist_t *clp; zfs_handle_t *zhp; @@ -2150,19 +2149,13 @@ recv_rename(libzfs_handle_t *hdl, const char *name, co if (err) return (err); - zc.zc_objset_type = DMU_OST_ZFS; - (void) strlcpy(zc.zc_name, name, sizeof (zc.zc_name)); - if (tryname) { (void) strcpy(newname, tryname); - - (void) strlcpy(zc.zc_value, tryname, sizeof (zc.zc_value)); - if (flags->verbose) { (void) printf("attempting rename %s to %s\n", - zc.zc_name, zc.zc_value); + name, newname); } - err = ioctl(hdl->libzfs_fd, ZFS_IOC_RENAME, &zc); + err = lzc_rename(name, newname); if (err == 0) changelist_rename(clp, name, tryname); } else { @@ -2174,13 +2167,11 @@ recv_rename(libzfs_handle_t *hdl, const char *name, co (void) snprintf(newname, ZFS_MAX_DATASET_NAME_LEN, "%.*srecv-%u-%u", baselen, name, getpid(), seq); - (void) strlcpy(zc.zc_value, newname, sizeof (zc.zc_value)); - if (flags->verbose) { (void) printf("failed - trying rename %s to %s\n", - zc.zc_name, zc.zc_value); + name, newname); } - err = ioctl(hdl->libzfs_fd, ZFS_IOC_RENAME, &zc); + err = lzc_rename(name, newname); if (err == 0) changelist_rename(clp, name, newname); if (err && flags->verbose) { @@ -2205,7 +2196,6 @@ static int recv_destroy(libzfs_handle_t *hdl, const char *name, int baselen, char *newname, recvflags_t *flags) { - zfs_cmd_t zc = { 0 }; int err = 0; prop_changelist_t *clp; zfs_handle_t *zhp; @@ -2228,17 +2218,20 @@ recv_destroy(libzfs_handle_t *hdl, const char *name, i if (err) return (err); - zc.zc_objset_type = DMU_OST_ZFS; - zc.zc_defer_destroy = defer; - (void) strlcpy(zc.zc_name, name, sizeof (zc.zc_name)); - if (flags->verbose) - (void) printf("attempting destroy %s\n", zc.zc_name); - err = ioctl(hdl->libzfs_fd, ZFS_IOC_DESTROY, &zc); + (void) printf("attempting destroy %s\n", name); + if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { + nvlist_t *nv = fnvlist_alloc(); + fnvlist_add_boolean(nv, name); + err = lzc_destroy_snaps(nv, defer, NULL); + fnvlist_free(nv); + } else { + err = lzc_destroy(name); + } if (err == 0) { if (flags->verbose) (void) printf("success\n"); - changelist_remove(clp, zc.zc_name); + changelist_remove(clp, name); } (void) changelist_postfix(clp); Modified: vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.c ============================================================================== --- vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.c Wed Dec 26 04:06:16 2018 (r342468) +++ vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.c Wed Dec 26 07:57:21 2018 (r342469) @@ -249,6 +249,34 @@ lzc_remap(const char *fsname) return (error); } +int +lzc_rename(const char *source, const char *target) +{ + zfs_cmd_t zc = { 0 }; + int error; + + ASSERT3S(g_refcount, >, 0); + VERIFY3S(g_fd, !=, -1); + + (void) strlcpy(zc.zc_name, source, sizeof (zc.zc_name)); + (void) strlcpy(zc.zc_value, target, sizeof (zc.zc_value)); + error = ioctl(g_fd, ZFS_IOC_RENAME, &zc); + if (error != 0) + error = errno; + return (error); +} + +int +lzc_destroy(const char *fsname) +{ + int error; + + nvlist_t *args = fnvlist_alloc(); + error = lzc_ioctl(ZFS_IOC_DESTROY, fsname, args, NULL); + nvlist_free(args); + return (error); +} + /* * Creates snapshots. * Modified: vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.h ============================================================================== --- vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.h Wed Dec 26 04:06:16 2018 (r342468) +++ vendor/illumos/dist/lib/libzfs_core/common/libzfs_core.h Wed Dec 26 07:57:21 2018 (r342469) @@ -91,6 +91,9 @@ boolean_t lzc_exists(const char *); int lzc_rollback(const char *, char *, int); int lzc_rollback_to(const char *, const char *); +int lzc_rename(const char *, const char *); +int lzc_destroy(const char *); + int lzc_channel_program(const char *, const char *, uint64_t, uint64_t, nvlist_t *, nvlist_t **); int lzc_channel_program_nosync(const char *, const char *, uint64_t,
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