Author: mm
Date: Mon Jan 3 19:23:43 2011
New Revision: 216927
URL: http://svn.freebsd.org/changeset/base/216927
Log:
MFC r207745 (trasz):
Enforce RLIMIT_FSIZE in ZFS.
Note: original implementation without vn_rlimit_fsize (pre-r207662)
Reviewed by: trasz
Approved by: pjd
Modified:
stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
==============================================================================
--- stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Mon Jan
3 18:34:28 2011 (r216926)
+++ stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Mon Jan
3 19:23:43 2011 (r216927)
@@ -30,6 +30,7 @@
#include <sys/systm.h>
#include <sys/sysmacros.h>
#include <sys/resource.h>
+#include <sys/resourcevar.h>
#include <sys/vfs.h>
#include <sys/vnode.h>
#include <sys/file.h>
@@ -4362,6 +4363,17 @@ zfs_freebsd_write(ap)
} */ *ap;
{
+ if (ap->a_vp->v_type == VREG && ap->a_uio->uio_td != NULL) {
+ PROC_LOCK(ap->a_uio->uio_td->td_proc);
+ if (ap->a_uio->uio_offset + ap->a_uio->uio_resid >
+ lim_cur(ap->a_uio->uio_td->td_proc, RLIMIT_FSIZE)) {
+ psignal(ap->a_uio->uio_td->td_proc, SIGXFSZ);
+ PROC_UNLOCK(ap->a_uio->uio_td->td_proc);
+ return (EFBIG);
+ }
+ PROC_UNLOCK(ap->a_uio->uio_td->td_proc);
+ }
+
return (zfs_write(ap->a_vp, ap->a_uio, ioflags(ap->a_ioflag),
ap->a_cred, NULL));
}
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