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X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: SuM4/4AGlH7rMy8XmXdYsqr8tjSVjtZUtR5+OGWcM6FBozinT+cfYYY4dadDbFLcpT6lvhP/RmCmgGozt4d81g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR10MB4270 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-04-29_05,2025-04-24_02,2025-02-21_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 adultscore=0 malwarescore=0 mlxscore=0 bulkscore=0 phishscore=0 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2504070000 definitions=main-2504290102 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNDI5MDEwMiBTYWx0ZWRfX1M6JT6uPPSJT nY2Na6FVvd8N16P44Un7yziwsY0t9AAUW2QN6k3HRoj4bMSYMtUOsCuRXzWEaU6a24r9n9lXQqo HfIXQFHnEOTLZmG7gPW7z5uqPzhVPnjsafeIz6+437tDTIDVM70u1625f9j+Xnf5DxWksqXeHBF 9YmV2b2oQ54gsygou31cBborxyjHTkzsV+bvvTHxvYn4xJ5eGsPd1ijlZUHphVb2IuBJALcabOn Nj4j/oBUymMM2P/IxeJEkqV9iU1G1pYX1sbvn4i9DMRrLTbR7eIXwsBblr4tN8/v/soKhXIODLx y3TRju0MCI2LQ6kzqH/37d4aY/N0G87VpwUVp2CD9CUWMunkJIHX4Qkh9dS1AkzdM2+BysijEfB tMHu21wb X-Authority-Analysis: v=2.4 cv=WZ0Ma1hX c=1 sm=1 tr=0 ts=6810d7ed cx=c_pps a=OOZaFjgC48PWsiFpTAqLcw==:117 a=OOZaFjgC48PWsiFpTAqLcw==:17 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=GoEa3M9JfhUA:10 a=yPCof4ZbAAAA:8 a=pTi6002dgiwkhScAILYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-ORIG-GUID: uFPwA1tIPu3_QWXaLmWaRcTbWxjmW2uB X-Proofpoint-GUID: uFPwA1tIPu3_QWXaLmWaRcTbWxjmW2uB On 4/29/25 9:10 AM, Sebastian Feld wrote: > On Mon, Apr 28, 2025 at 4:15 PM Chuck Lever wrote: >> >> Hi Sebastian - >> >> On 4/28/25 7:06 AM, Sebastian Feld wrote: >>> I've been debating with Opentext support about their Windows NFS4.0 >>> client about a problem that the Windows attributes HIDDEN and SYSTEM >>> work with a Solaris NFSD, but not with a Linux NFSD. >>> >>> Their support said it's a known bug in LInux NFSD that "fattr4_hidden >>> and fattr4_system, specified in RFC 3530, are broken in Linux NFSD". >> >> RFC 7530 updates and replaces RFC 3530. >> >> Section 5.7 lists "hidden" and "system" as RECOMMENDED attributes, >> meaning that NFSv4 servers are not required to implement them. >> >> So that tells me that both the Solaris NFS server and the Linux NFS >> server are spec compliant in this regard. This is NOTABUG, but rather it >> is a server implementation choice that is permitted by RFC. >> >> It is more correct to say that the Linux NFS server does not currently >> implement either of these attributes. The reason is that native Linux >> file systems do not support these attributes, and I believe that neither >> does the Linux VFS. So there is nowhere to store these, and no way to >> access them in filesystems (such as the Linux port of NTFS) that do >> implement them. >> >> We want to have a facility that can be used by native applications >> (such as Wine), Samba, and NFSD. So implementing side-car storage >> for such attributes that only NFSD can see and use is not really >> desirable. > > I did a bit of digging, that debate started in 2002. > > 23 years later, nothing happened. No Solution. > Very depressing. It's a hard problem. Focus on the recent work. It appears to be promising and there have been few objections to it. -- Chuck Lever