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fuse: allow skipping control interface and forced unmount

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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>
This commit is contained in:
Vivek Goyal
2019-05-06 15:35:43 -04:00
committed by Miklos Szeredi
parent 783863d647
commit 15c8e72e88
2 changed files with 14 additions and 1 deletions
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7
fs/fuse/inode.c
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@@ -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);