2017-01-22 16:51:23

by Christoph Hellwig

[permalink] [raw]
Subject: [pynfs PATCH] check that a mixed size / uid setattr works

On some Linux file systems this currently fails and/or trips an ASSERT.

Signed-off-by: Christoph Hellwig <[email protected]>
---
nfs4.0/servertests/st_setattr.py | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/nfs4.0/servertests/st_setattr.py b/nfs4.0/servertests/st_setattr.py
index b6a398b..accd807 100644
--- a/nfs4.0/servertests/st_setattr.py
+++ b/nfs4.0/servertests/st_setattr.py
@@ -27,6 +27,23 @@ def _set_size(t, c, file, stateid=None, msg=" using stateid=0"):
check(res, msg="Changing size from %i to 0" % newsize)
check_res(t, c, res, file, dict)

+#
+# Mix size and non-size attributes in a single SETATTR. Some Linux file
+# systems aren't happy with this mix, and a server passing this on 1:1
+# will trigger warnings or incorrect results.
+#
+def _set_mixed(t, c, file, stateid=None, msg=" using stateid=0"):
+ startsize = c.do_getattr(FATTR4_SIZE, file)
+ newsize = startsize + 10
+ owner = "65534" # nobody
+
+ dict = {FATTR4_SIZE: newsize, FATTR4_OWNER: owner}
+ ops = c.use_obj(file) + [c.setattr(dict, stateid)]
+ res = c.compound(ops)
+ check(res, msg="Changing size from %i to %i and owner to %s%s" %
+ (startsize, newsize, owner, msg), warnlist=[NFS4ERR_BAD_STATEID])
+ check_res(t, c, res, file, dict)
+
def _try_readonly(t, env, path):
c = env.c1
baseops = c.use_obj(path)
@@ -701,3 +718,15 @@ def testChangeGranularity(t, env):
chattr4 = res.resarray[7].obj_attributes
if chattr1 == chattr2 or chattr2 == chattr3 or chattr3 == chattr4:
t.fail("consecutive SETATTR(mode)'s don't all change change attribute")
+
+def testMixed(t, env):
+ """SETATTR(FATTR4_SIZE + FATTR4_OWNER) on file with stateid = 0
+
+ FLAGS: setattr file all
+ DEPEND: MKFILE
+ CODE: SATT16
+ """
+ c = env.c1
+ c.init_connection()
+ fh, stateid = c.create_confirm(t.code, deny=OPEN4_SHARE_DENY_NONE)
+ _set_mixed(t, c, fh)
--
2.1.4



2017-01-23 16:52:39

by J. Bruce Fields

[permalink] [raw]
Subject: Re: [pynfs PATCH] check that a mixed size / uid setattr works

On Sun, Jan 22, 2017 at 05:51:18PM +0100, Christoph Hellwig wrote:
> On some Linux file systems this currently fails and/or trips an ASSERT.

Thanks, applied.--b.

>
> Signed-off-by: Christoph Hellwig <[email protected]>
> ---
> nfs4.0/servertests/st_setattr.py | 29 +++++++++++++++++++++++++++++
> 1 file changed, 29 insertions(+)
>
> diff --git a/nfs4.0/servertests/st_setattr.py b/nfs4.0/servertests/st_setattr.py
> index b6a398b..accd807 100644
> --- a/nfs4.0/servertests/st_setattr.py
> +++ b/nfs4.0/servertests/st_setattr.py
> @@ -27,6 +27,23 @@ def _set_size(t, c, file, stateid=None, msg=" using stateid=0"):
> check(res, msg="Changing size from %i to 0" % newsize)
> check_res(t, c, res, file, dict)
>
> +#
> +# Mix size and non-size attributes in a single SETATTR. Some Linux file
> +# systems aren't happy with this mix, and a server passing this on 1:1
> +# will trigger warnings or incorrect results.
> +#
> +def _set_mixed(t, c, file, stateid=None, msg=" using stateid=0"):
> + startsize = c.do_getattr(FATTR4_SIZE, file)
> + newsize = startsize + 10
> + owner = "65534" # nobody
> +
> + dict = {FATTR4_SIZE: newsize, FATTR4_OWNER: owner}
> + ops = c.use_obj(file) + [c.setattr(dict, stateid)]
> + res = c.compound(ops)
> + check(res, msg="Changing size from %i to %i and owner to %s%s" %
> + (startsize, newsize, owner, msg), warnlist=[NFS4ERR_BAD_STATEID])
> + check_res(t, c, res, file, dict)
> +
> def _try_readonly(t, env, path):
> c = env.c1
> baseops = c.use_obj(path)
> @@ -701,3 +718,15 @@ def testChangeGranularity(t, env):
> chattr4 = res.resarray[7].obj_attributes
> if chattr1 == chattr2 or chattr2 == chattr3 or chattr3 == chattr4:
> t.fail("consecutive SETATTR(mode)'s don't all change change attribute")
> +
> +def testMixed(t, env):
> + """SETATTR(FATTR4_SIZE + FATTR4_OWNER) on file with stateid = 0
> +
> + FLAGS: setattr file all
> + DEPEND: MKFILE
> + CODE: SATT16
> + """
> + c = env.c1
> + c.init_connection()
> + fh, stateid = c.create_confirm(t.code, deny=OPEN4_SHARE_DENY_NONE)
> + _set_mixed(t, c, fh)
> --
> 2.1.4
>
> --
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