Commit b1fe686a authored Feb 28, 2024 by Miklos Szeredi

fuse: don't unhash root



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

Fixes: 5d069dbe ("fuse: fix bad inode")
Cc: <stable@vger.kernel.org> # v5.11
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

parent 68ca1b49

fs/fuse/fuse_i.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -994,7 +994,6 @@ static inline bool fuse_stale_inode(const struct inode *inode, int generation,

		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
		@@ -475,9 +475,12 @@ struct inode fuse_iget(struct super_block sb, u64 nodeid,
		} else if (fuse_stale_inode(inode, generation, attr)) {
		/* nodeid was reused, any I/O on the old inode 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);
		fi->nlookup++;