Commit a9d1c4c6 authored by Miklos Szeredi's avatar Miklos Szeredi
Browse files

fuse: revalidate: don't invalidate if interrupted 



If the LOOKUP request triggered from fuse_dentry_revalidate() is
interrupted, then the dentry will be invalidated, possibly resulting in
submounts being unmounted.

Reported-by: default avatarXu Rongbo <xurongbo@baidu.com>
Closes: https://lore.kernel.org/all/CAJfpegswN_CJJ6C3RZiaK6rpFmNyWmXfaEpnQUJ42KCwNF5tWw@mail.gmail.com/


Fixes: 9e6268db ("[PATCH] FUSE - read-write operations")
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 3066ff93

fs/fuse/dir.c

+1 −1
Original line number Diff line number Diff line
@@ -258,7 +258,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) 
			spin_unlock(&fi->lock);

		}

		kfree(forget);

		if (ret == -ENOMEM)

		if (ret == -ENOMEM || ret == -EINTR)

			goto out;

		if (ret || fuse_invalid_attr(&outarg.attr) ||

		    fuse_stale_inode(inode, outarg.generation, &outarg.attr))