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Commit ab95a420 authored by Miklos Szeredi's avatar Miklos Szeredi Committed by Greg Kroah-Hartman
Browse files

fuse: don't unhash root 



[ Upstream commit b1fe686a765e6c0d71811d825b5a1585a202b777 ]

The root inode is assumed to be always hashed.  Do not unhash the root
inode even if it is marked BAD.

Fixes: 5d069dbe8aaf ("fuse: fix bad inode")
Cc: <stable@vger.kernel.org> # v5.11
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent c180d65d

fs/fuse/fuse_i.h

+0 −1
Original line number Diff line number Diff line
@@ -792,7 +792,6 @@ static inline u64 fuse_get_attr_version(struct fuse_conn *fc) 


static inline void fuse_make_bad(struct inode *inode)

{

	remove_inode_hash(inode);

	set_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state);

}

fs/fuse/inode.c

+5 −2
Original line number Diff line number Diff line
@@ -313,9 +313,12 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid, 
	} else if ((inode->i_mode ^ attr->mode) & S_IFMT) {

		/* Inode has changed type, any I/O on the old should fail */

		fuse_make_bad(inode);

		if (inode != d_inode(sb->s_root)) {

			remove_inode_hash(inode);

			iput(inode);

			goto retry;

		}

	}



	fi = get_fuse_inode(inode);

	spin_lock(&fi->lock);