Date: Tue, 03 Sep 2019 14:06:23 -0000 From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r345799 - head/sys/fs/tmpfs Message-ID: <201904021341.x32DfQgp080808@repo.freebsd.org>
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Author: kib Date: Tue Apr 2 13:41:26 2019 New Revision: 345799 URL: https://svnweb.freebsd.org/changeset/base/345799 Log: Block creation of the new nodes for read-only tmpfs mounts. Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D19737 Modified: head/sys/fs/tmpfs/tmpfs_subr.c Modified: head/sys/fs/tmpfs/tmpfs_subr.c ============================================================================== --- head/sys/fs/tmpfs/tmpfs_subr.c Tue Apr 2 13:38:00 2019 (r345798) +++ head/sys/fs/tmpfs/tmpfs_subr.c Tue Apr 2 13:41:26 2019 (r345799) @@ -218,6 +218,8 @@ tmpfs_alloc_node(struct mount *mp, struct tmpfs_mount */ return (EBUSY); } + if ((mp->mnt_kern_flag & MNT_RDONLY) != 0) + return (EROFS); nnode = (struct tmpfs_node *)uma_zalloc_arg(tmp->tm_node_pool, tmp, M_WAITOK);
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