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.wBQ7vMVt046662@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-sys/illumos/dist/uts/common/fs/zfs/zfs_ioctl.c Changes in other areas also in this revision: 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 Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_ioctl.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_ioctl.c Wed Dec 26 04:06:16 2018 (r342468) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_ioctl.c Wed Dec 26 07:57:21 2018 (r342469) @@ -3686,7 +3686,6 @@ zfs_ioc_pool_discard_checkpoint(const char *poolname, /* * inputs: * zc_name name of dataset to destroy - * zc_objset_type type of objset * zc_defer_destroy mark for deferred destroy * * outputs: none @@ -3694,16 +3693,24 @@ zfs_ioc_pool_discard_checkpoint(const char *poolname, static int zfs_ioc_destroy(zfs_cmd_t *zc) { + objset_t *os; + dmu_objset_type_t ost; int err; - if (zc->zc_objset_type == DMU_OST_ZFS) + err = dmu_objset_hold(zc->zc_name, FTAG, &os); + if (err != 0) + return (err); + ost = dmu_objset_type(os); + dmu_objset_rele(os, FTAG); + + if (ost == DMU_OST_ZFS) zfs_unmount_snap(zc->zc_name); if (strchr(zc->zc_name, '@')) err = dsl_destroy_snapshot(zc->zc_name, zc->zc_defer_destroy); else err = dsl_destroy_head(zc->zc_name); - if (zc->zc_objset_type == DMU_OST_ZVOL && err == 0) + if (ost == DMU_OST_ZVOL && err == 0) (void) zvol_remove_minor(zc->zc_name); return (err); } @@ -3854,8 +3861,11 @@ recursive_unmount(const char *fsname, void *arg) static int zfs_ioc_rename(zfs_cmd_t *zc) { + objset_t *os; + dmu_objset_type_t ost; boolean_t recursive = zc->zc_cookie & 1; char *at; + int err; /* "zfs rename" from and to ...%recv datasets should both fail */ zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; @@ -3865,6 +3875,12 @@ zfs_ioc_rename(zfs_cmd_t *zc) strchr(zc->zc_name, '%') || strchr(zc->zc_value, '%')) return (SET_ERROR(EINVAL)); + err = dmu_objset_hold(zc->zc_name, FTAG, &os); + if (err != 0) + return (err); + ost = dmu_objset_type(os); + dmu_objset_rele(os, FTAG); + at = strchr(zc->zc_name, '@'); if (at != NULL) { /* snaps must be in same fs */ @@ -3873,7 +3889,7 @@ zfs_ioc_rename(zfs_cmd_t *zc) if (strncmp(zc->zc_name, zc->zc_value, at - zc->zc_name + 1)) return (SET_ERROR(EXDEV)); *at = '\0'; - if (zc->zc_objset_type == DMU_OST_ZFS) { + if (ost == DMU_OST_ZFS) { error = dmu_objset_find(zc->zc_name, recursive_unmount, at + 1, recursive ? DS_FIND_CHILDREN : 0); @@ -3888,7 +3904,7 @@ zfs_ioc_rename(zfs_cmd_t *zc) return (error); } else { - if (zc->zc_objset_type == DMU_OST_ZVOL) + if (ost == DMU_OST_ZVOL) (void) zvol_remove_minor(zc->zc_name); return (dsl_dir_rename(zc->zc_name, zc->zc_value)); }
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