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| author | Vivek Goyal <vgoyal@redhat.com> | 2019-05-06 15:35:43 -0400 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2019-09-12 14:59:41 +0200 |
| commit | 15c8e72e88e0b707ffefd524ca33f28cdb3db487 (patch) | |
| tree | 4faada0a21a2f2a553660ac6a17817d6d05d2ad8 /fs/fuse | |
| parent | 783863d6476ce9f27fa87227f76ae9134caf43fa (diff) | |
| download | linux-15c8e72e88e0b707ffefd524ca33f28cdb3db487.tar.gz linux-15c8e72e88e0b707ffefd524ca33f28cdb3db487.tar.bz2 linux-15c8e72e88e0b707ffefd524ca33f28cdb3db487.zip | |
fuse: allow skipping control interface and forced unmount
virtio-fs does not support aborting requests which are being
processed. That is requests which have been sent to fuse daemon on host.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/fuse_i.h | 8 | ||||
| -rw-r--r-- | fs/fuse/inode.c | 7 |
2 files changed, 14 insertions, 1 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 48d214df9172..fc89cb40e874 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -468,6 +468,8 @@ struct fuse_fs_context { bool default_permissions:1; bool allow_other:1; bool destroy:1; + bool no_control:1; + bool no_force_umount:1; unsigned int max_read; unsigned int blksize; const char *subtype; @@ -696,6 +698,12 @@ struct fuse_conn { /* Delete dentries that have gone stale */ unsigned int delete_stale:1; + /** Do not create entry in fusectl fs */ + unsigned int no_control:1; + + /** Do not allow MNT_FORCE umount */ + unsigned int no_force_umount:1; + /** The number of requests waiting for completion */ atomic_t num_waiting; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index cd6ffb3fe69e..10d193b24fb8 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -364,7 +364,10 @@ void fuse_unlock_inode(struct inode *inode, bool locked) static void fuse_umount_begin(struct super_block *sb) { - fuse_abort_conn(get_fuse_conn_super(sb)); + struct fuse_conn *fc = get_fuse_conn_super(sb); + + if (!fc->no_force_umount) + fuse_abort_conn(fc); } static void fuse_send_destroy(struct fuse_conn *fc) @@ -1171,6 +1174,8 @@ int fuse_fill_super_common(struct super_block *sb, struct fuse_fs_context *ctx) fc->group_id = ctx->group_id; fc->max_read = max_t(unsigned, 4096, ctx->max_read); fc->destroy = ctx->destroy; + fc->no_control = ctx->no_control; + fc->no_force_umount = ctx->no_force_umount; err = -ENOMEM; root = fuse_get_root_inode(sb, ctx->rootmode); |