9p file system · Maintained

Maintainers

• M Eric Van Hensbergen <ericvh@kernel.org>
• M Latchesar Ionkov <lucho@ionkov.net>
• M Dominique Martinet <asmadeus@codewreck.org>
• R Christian Schoenebeck <linux_oss@crudebyte.com>

Paths

• F Documentation/filesystems/9p.rst
• F fs/9p/
• F include/net/9p/
• F include/trace/events/9p.h
• F include/uapi/linux/virtio_9p.h
• F net/9p/

Last 30 days

Most active threads (last 7 days)

• DORMANTno replies [PATCH] net/9p/usbg: clear stale request context after abort
  2026-08-02 15:23 · 0 replies in 7d · Qi Zhang <hidden>
• DORMANTno replies [PATCH] net/9p/usbg: fix descriptor cleanup use-after-free
  2026-07-31 15:04 · 0 replies in 7d · Chengfeng Ye <hidden>

Active reviewers (last 30 days)

• Yizhou Zhao <hidden>
  7 attestations (7 Reported-by) · last on 2026-07-21
• Yuxiang Yang <hidden>
  7 attestations (7 Reported-by) · last on 2026-07-21
• Ao Wang <hidden>
  7 attestations (7 Reported-by) · last on 2026-07-21
• Xuewei Feng <hidden>
  7 attestations (7 Reported-by) · last on 2026-07-21
• Qi Li <hidden>
  7 attestations (7 Reported-by) · last on 2026-07-21
• Ke Xu <hidden>
  7 attestations (7 Reported-by) · last on 2026-07-21
• Dominique Martinet <asmadeus@codewreck.org>
  6 attestations (6 Suggested-by) · last on 2026-07-26
• David Laight <hidden>
  2 attestations (2 Suggested-by) · last on 2026-07-21
• Christian Schoenebeck <linux_oss@crudebyte.com>
  2 attestations (2 Acked-by) · last on 2026-07-21

Recent patches

Most-recent 30 patches in this subsystem on stable (capped at 30), ordered by date desc.

• DORMANTno replies [PATCH] net/9p/usbg: clear stale request context after abort
  2026-08-02 · Qi Zhang <hidden>
• DORMANTno replies [PATCH] net/9p/usbg: fix descriptor cleanup use-after-free
  2026-07-31 · Chengfeng Ye <hidden>
• DORMANTno replies [PATCH 5.10.y] 9p: skip nlink update in cacheless mode to fix WARN_ON
  2026-07-26 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies [PATCH 5.15.y] 9p: skip nlink update in cacheless mode to fix WARN_ON
  2026-07-25 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies [PATCH 6.1.y] 9p: skip nlink update in cacheless mode to fix WARN_ON
  2026-07-25 · Sasha Levin <sashal@kernel.org>
• COOLING9d [PATCH 5.10.y 1/2] net/9p: fix infinite loop in p9_client_rpc on fatal signal
  2026-07-25 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.18.40
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.97
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING10d Re: Linux 6.6.145
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.178
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.261
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.212
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING10d [PATCH 5.10 279/699] net/9p: fix race condition on rdma->state in trans_rdma.c
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d [PATCH 5.15 372/843] net/9p: fix race condition on rdma->state in trans_rdma.c
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d [PATCH 6.1 0471/1067] net/9p: fix race condition on rdma->state in trans_rdma.c
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING4d [PATCH 6.6 0603/1266] net/9p: fix race condition on rdma->state in trans_rdma.c
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d [PATCH 6.12 0749/1276] netfs: Drop the error arg from netfs_read_subreq_terminated()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d [PATCH 6.12 0404/1276] net/9p: fix race condition on rdma->state in trans_rdma.c
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d REVIEWED: 1 (1M) [PATCH 7.1 0825/2077] 9p: avoid returning ERR_PTR(0) from mkdir operations
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d [PATCH 7.1 0827/2077] 9p: Add missing read barrier in virtio zero-copy path
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d [PATCH 7.1 0826/2077] net/9p: fix race condition on rdma->state in trans_rdma.c
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d [PATCH 6.18 0566/1611] net/9p: fix race condition on rdma->state in trans_rdma.c
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d REVIEWED: 1 (1M) [PATCH 6.18 0565/1611] 9p: avoid returning ERR_PTR(0) from mkdir operations
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING9d FAILED: patch "[PATCH] 9p: skip nlink update in cacheless mode to fix WARN_ON" failed to apply to 5.15-stable tree
  2026-07-20 · <gregkh@linuxfoundation.org>
• COOLING8d FAILED: patch "[PATCH] 9p: skip nlink update in cacheless mode to fix WARN_ON" failed to apply to 5.10-stable tree
  2026-07-20 · <gregkh@linuxfoundation.org>
• COOLING9d FAILED: patch "[PATCH] 9p: skip nlink update in cacheless mode to fix WARN_ON" failed to apply to 6.1-stable tree
  2026-07-20 · <gregkh@linuxfoundation.org>
• COOLING9d FAILED: patch "[PATCH] net/9p: fix infinite loop in p9_client_rpc on fatal signal" failed to apply to 5.10-stable tree
  2026-07-20 · <gregkh@linuxfoundation.org>
• DORMANTno replies [PATCH v1] net/9p: abort interrupted RPCs on fatal signals
  2026-07-10 · tanze <hidden>
• COLD30d Re: Linux 7.1.3
  2026-07-04 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.38
  2026-07-04 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE137d REVIEWED: 19 (19M) [PATCH] net: 9p: usbg: clear stale client pointer on close
  2026-03-13 · Hyungjung Joo <hidden> · 1 Reviewed-by
• STALE74d REVIEWED: 4 (4M) [PATCH AUTOSEL 7.0-6.12] 9p/trans_xen: make cleanup idempotent after dataring alloc errors
  2026-04-28 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE167d [PATCH 6.6 118/737] fs/9p: Dont open remote file with APPEND mode when writeback cache is used
  2026-01-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE204d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE178d Re: Linux 6.1.162
  2026-02-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE167d [PATCH AUTOSEL 6.19-6.12] 9p/xen: protect xen_9pfs_front_free against concurrent calls
  2026-02-17 · Sasha Levin <sashal@kernel.org>
• STALE146d [PATCH 6.19 364/844] 9p/xen: protect xen_9pfs_front_free against concurrent calls
  2026-02-28 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.19.6
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.18.16
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• STALE134d [PATCH 02/11] net/9p/usbg: also disable endpoints on p9_usbg_close
  2026-03-19 · Michael Grzeschik <hidden>
• STALE134d [PATCH 04/11] net/9p/usbg: always reset completion when disconnecting
  2026-03-19 · Michael Grzeschik <hidden>
• STALE134d [PATCH 03/11] net/9p/usbg: set client to Disconnected on usb9pfs_disable
  2026-03-19 · Michael Grzeschik <hidden>