Date: Wed, 1 Mar 2017 18:03:32 +0000 (UTC) From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r314497 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201703011803.v21I3WxQ043239@repo.freebsd.org>
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Author: ae Date: Wed Mar 1 18:03:32 2017 New Revision: 314497 URL: https://svnweb.freebsd.org/changeset/base/314497 Log: Do not invoke the resize event when previous provider's size was zero. This is similar to r303637 fix for geom_disk. Reported by: avg Tested by: avg MFC after: 1 week Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c Wed Mar 1 17:35:56 2017 (r314496) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c Wed Mar 1 18:03:32 2017 (r314497) @@ -278,7 +278,16 @@ zvol_size_changed(zvol_state_t *zv, uint if (pp == NULL) return; g_topology_lock(); - g_resize_provider(pp, zv->zv_volsize); + + /* + * Do not invoke resize event when initial size was zero. + * ZVOL initializes the size on first open, this is not + * real resizing. + */ + if (pp->mediasize == 0) + pp->mediasize = zv->zv_volsize; + else + g_resize_provider(pp, zv->zv_volsize); g_topology_unlock(); } #endif /* illumos */
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