virtio file system · Supported

Maintainers

• M German Maglione <gmaglione@redhat.com>
• M Vivek Goyal <vgoyal@redhat.com>
• M Stefan Hajnoczi <stefanha@redhat.com>
• M Miklos Szeredi <miklos@szeredi.hu>
• R Eugenio Pérez <eperezma@redhat.com>

Paths

• F Documentation/filesystems/virtiofs.rst
• F fs/fuse/virtio_fs.c
• F include/uapi/linux/virtio_fs.h

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v4 00/21] iomap: convert to in-iter iomap_next() model
  2026-07-27 21:25 · 1 reply in 7d · Joanne Koong <joannelkoong@gmail.com>

Recent patches

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

• HOTtoday [PATCH v4 17/21] fuse: convert iomap ops to ->iomap_next()
  2026-07-27 · Joanne Koong <joannelkoong@gmail.com>
• COOLING6d [PATCH v3 16/20] fuse: convert iomap ops to ->iomap_next()
  2026-07-20 · Joanne Koong <joannelkoong@gmail.com>
• COOLING8d [PATCH v2 14/18] fuse: convert iomap ops to ->iomap_next()
  2026-07-01 · Joanne Koong <joannelkoong@gmail.com>
• STALE68d REVIEWED: 4 (4M) [PATCH AUTOSEL 7.0-5.10] virtiofs: add FUSE protocol validation
  2026-04-20 · Sasha Levin <sashal@kernel.org>
• STALE96d [PATCH 24/32] fuse: change fud->fc to fud->chan
  2026-04-16 · Miklos Szeredi <hidden>
• STALE96d [PATCH 06/32] fuse: move background queuing related members to fuse_chan
  2026-04-16 · Miklos Szeredi <hidden>
• STALE96d [PATCH 03/32] fuse: move fuse_iqueue to fuse_chan
  2026-04-16 · Miklos Szeredi <hidden>
• STALE96d [PATCH 02/32] fuse: add struct fuse_chan
  2026-04-16 · Miklos Szeredi <hidden>
• DORMANTno replies [PATCH] virtio-fs: avoid double-free on failed queue setup
  2026-04-05 · Yung-Tse Cheng <hidden>
• COLD47d [PATCH v2 3/3] virtiofs: Do not stall hiprio FORGET dispatch after dropping one request
  2026-04-02 · Li Wang <hidden>
• COLD47d [PATCH v2 1/3] virtiofs: Complete no-reply virtio requests without parsing the out header
  2026-04-02 · Li Wang <hidden>
• COLD47d [PATCH v2 2/3] virtiofs: Retry hiprio FORGET when virtqueue_add_outbuf() returns -ENOMEM
  2026-04-02 · Li Wang <hidden>
• DORMANTno replies [PATCH 3/3] virtiofs: Distinguish between 1 and negative return values in send_forget_request()
  2026-03-23 · Li Wang <hidden>
• STALE127d [PATCH 2/3] virtiofs: Allow ENOMEM requests to wait and retry later in send_forget_request()
  2026-03-23 · Li Wang <hidden>
• STALE127d [PATCH 1/3] virtiofs: Only parse the out header if the request expects a reply in virtio_fs_request_complete()
  2026-03-23 · Li Wang <hidden>
• STALE124d [PATCH] [PATCH v2] virtiofs: Strengthen FUSE protocol validation for server responses
  2026-03-23 · Li Wang <hidden>
• STALE127d [PATCH] virtiofs: Verify that server properly follows FUSE protocol
  2026-03-19 · Li Wang <hidden>
• STALE127d [PATCH v3 6/7] fuse: alloc pqueue before installing fc
  2026-03-16 · Miklos Szeredi <hidden>
• STALE127d [PATCH v3 3/7] fuse: add refcount to fuse_dev
  2026-03-16 · Miklos Szeredi <hidden>
• STALE127d REVIEWED: 1 (1M) [PATCH v3 2/7] fuse: create fuse_dev on /dev/fuse open instead of mount
  2026-03-16 · Miklos Szeredi <hidden>
• STALE96d [PATCH v2 5/6] fuse: alloc pqueue before installing fc
  2026-03-12 · Miklos Szeredi <hidden>
• STALE96d [PATCH v2 2/6] fuse: add refcount to fuse_dev
  2026-03-12 · Miklos Szeredi <hidden>
• STALE96d [PATCH v2 1/6] fuse: create fuse_dev on /dev/fuse open instead of mount
  2026-03-12 · Miklos Szeredi <hidden>
• STALE138d [RFC PATCH 2/3] fuse: add refcount to fuse_dev
  2026-03-11 · Miklos Szeredi <hidden>
• STALE138d [RFC PATCH 1/3] fuse: create fuse_dev on /dev/fuse open instead of mount
  2026-03-11 · Miklos Szeredi <hidden>
• STALE112d [RFC PATCH v3 3/8] fuse: store index of the variable length argument
  2026-02-25 · Luis Henriques <hidden>
• STALE161d [PATCH] virtiofs: add FUSE protocol validation
  2026-02-16 · Yuto Ohnuki <hidden>
• DORMANTno replies [PATCH] virtio_fs: use sysfs_emit_at() instead of snprintf()
  2025-12-15 · chen zhang <hidden>
• STALE225d [PATCH] virtiofs: fix NULL dereference in virtio_fs_add_queues_sysfs()
  2025-12-13 · Qianchang Zhao <hidden>
• STALE204d [RFC PATCH v2 1/6] fuse: store index of the variable length argument
  2025-12-12 · Luis Henriques <hidden>

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.

• STALE68d REVIEWED: 4 (4M) [PATCH AUTOSEL 7.0-5.10] virtiofs: add FUSE protocol validation
  2026-04-20 · 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.

• STALE138d [RFC PATCH 1/3] fuse: create fuse_dev on /dev/fuse open instead of mount
  2026-03-11 · Miklos Szeredi <hidden>
• STALE138d [RFC PATCH 2/3] fuse: add refcount to fuse_dev
  2026-03-11 · Miklos Szeredi <hidden>
• STALE96d [PATCH v2 5/6] fuse: alloc pqueue before installing fc
  2026-03-12 · Miklos Szeredi <hidden>
• STALE127d [PATCH 2/3] virtiofs: Allow ENOMEM requests to wait and retry later in send_forget_request()
  2026-03-23 · Li Wang <hidden>
• DORMANTno replies [PATCH 3/3] virtiofs: Distinguish between 1 and negative return values in send_forget_request()
  2026-03-23 · Li Wang <hidden>
• COLD47d [PATCH v2 2/3] virtiofs: Retry hiprio FORGET when virtqueue_add_outbuf() returns -ENOMEM
  2026-04-02 · Li Wang <hidden>
• COLD47d [PATCH v2 1/3] virtiofs: Complete no-reply virtio requests without parsing the out header
  2026-04-02 · Li Wang <hidden>
• COLD47d [PATCH v2 3/3] virtiofs: Do not stall hiprio FORGET dispatch after dropping one request
  2026-04-02 · Li Wang <hidden>
• DORMANTno replies [PATCH] virtio-fs: avoid double-free on failed queue setup
  2026-04-05 · Yung-Tse Cheng <hidden>
• STALE96d [PATCH 02/32] fuse: add struct fuse_chan
  2026-04-16 · Miklos Szeredi <hidden>