Author: kib Date: Fri Mar 6 21:15:25 2020 New Revision: 358719 URL: https://svnweb.freebsd.org/changeset/base/358719
Log: zfs dmu_read: loosen the assertion. Since switch to the lockless grab, shared busy for ahead/behind pages allows other threads to validate and map the pages readonly. Reviewed by: avg, jeff, markj Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D23986 Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Fri Mar 6 20:44:22 2020 (r358718) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Fri Mar 6 21:15:25 2020 (r358719) @@ -1752,7 +1752,7 @@ dmu_read_pages(objset_t *os, uint64_t object, vm_page_ break; } ASSERT(m->dirty == 0); - ASSERT(!pmap_page_is_mapped(m)); + ASSERT(!pmap_page_is_write_mapped(m)); ASSERT(db->db_size > PAGE_SIZE); bufoff = IDX_TO_OFF(m->pindex) % db->db_size; @@ -1867,7 +1867,7 @@ dmu_read_pages(objset_t *os, uint64_t object, vm_page_ break; } ASSERT(m->dirty == 0); - ASSERT(!pmap_page_is_mapped(m)); + ASSERT(!pmap_page_is_write_mapped(m)); ASSERT(db->db_size > PAGE_SIZE); bufoff = IDX_TO_OFF(m->pindex) % db->db_size; _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
