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authorGleb Popov <arrowd@FreeBSD.org>2025-10-14 16:15:50 +0000
committerGleb Popov <arrowd@FreeBSD.org>2026-01-24 10:06:16 +0000
commit10037d0978f8b16dc6746b0b942788e5edc6e84f (patch)
treebef71e77bb1dcf571f70c8cc24467418412fa2eb /sys/fs
parent04f6b99947d2d2e0f6ec7703609c74083b5646e2 (diff)
Diffstat (limited to 'sys/fs')
-rw-r--r--sys/fs/fuse/fuse_device.c6
-rw-r--r--sys/fs/fuse/fuse_ipc.h3
-rw-r--r--sys/fs/fuse/fuse_vfsops.c1
3 files changed, 8 insertions, 2 deletions
diff --git a/sys/fs/fuse/fuse_device.c b/sys/fs/fuse/fuse_device.c
index 41387de3ce71..2c1e19953dfd 100644
--- a/sys/fs/fuse/fuse_device.c
+++ b/sys/fs/fuse/fuse_device.c
@@ -65,7 +65,6 @@
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/errno.h>
-#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/uio.h>
@@ -177,6 +176,11 @@ fdata_dtor(void *arg)
fuse_lck_mtx_unlock(fdata->ms_mtx);
FUSE_UNLOCK();
+ if (fdata->mp && fdata->dataflags & FSESS_AUTO_UNMOUNT) {
+ vfs_ref(fdata->mp);
+ dounmount(fdata->mp, MNT_FORCE, curthread);
+ }
+
fdata_trydestroy(fdata);
}
diff --git a/sys/fs/fuse/fuse_ipc.h b/sys/fs/fuse/fuse_ipc.h
index d9d79f38c269..98af84951561 100644
--- a/sys/fs/fuse/fuse_ipc.h
+++ b/sys/fs/fuse/fuse_ipc.h
@@ -242,8 +242,9 @@ struct fuse_data {
#define FSESS_WARN_INODE_MISMATCH 0x4000000 /* ino != nodeid */
#define FSESS_MNTOPTS_MASK ( \
FSESS_DAEMON_CAN_SPY | FSESS_PUSH_SYMLINKS_IN | \
- FSESS_DEFAULT_PERMISSIONS | FSESS_INTR)
+ FSESS_DEFAULT_PERMISSIONS | FSESS_INTR | FSESS_AUTO_UNMOUNT)
#define FSESS_SETXATTR_EXT 0x8000000 /* extended fuse_setxattr_in */
+#define FSESS_AUTO_UNMOUNT 0x10000000 /* perform unmount when server dies */
extern int fuse_data_cache_mode;
diff --git a/sys/fs/fuse/fuse_vfsops.c b/sys/fs/fuse/fuse_vfsops.c
index 0ff79913128a..a5118aa7675f 100644
--- a/sys/fs/fuse/fuse_vfsops.c
+++ b/sys/fs/fuse/fuse_vfsops.c
@@ -337,6 +337,7 @@ fuse_vfsop_mount(struct mount *mp)
FUSE_FLAGOPT(push_symlinks_in, FSESS_PUSH_SYMLINKS_IN);
FUSE_FLAGOPT(default_permissions, FSESS_DEFAULT_PERMISSIONS);
FUSE_FLAGOPT(intr, FSESS_INTR);
+ FUSE_FLAGOPT(auto_unmount, FSESS_AUTO_UNMOUNT);
(void)vfs_scanopt(opts, "max_read=", "%u", &max_read);
(void)vfs_scanopt(opts, "linux_errnos", "%d", &linux_errnos);