fuse: don't unhash root

[ Upstream commit b1fe686a76 ]

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

Fixes: 5d069dbe8a ("fuse: fix bad inode")
Cc: <stable@vger.kernel.org> # v5.11
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miklos Szeredi 2024-02-28 16:50:49 +01:00 committed by Greg Kroah-Hartman
parent 970e8c49f2
commit 371f27c2c8
2 changed files with 5 additions and 3 deletions

View File

@ -923,7 +923,6 @@ 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);
}

View File

@ -445,8 +445,11 @@ retry:
} else if (fuse_stale_inode(inode, generation, attr)) {
/* nodeid was reused, any I/O on the old inode should fail */
fuse_make_bad(inode);
iput(inode);
goto retry;
if (inode != d_inode(sb->s_root)) {
remove_inode_hash(inode);
iput(inode);
goto retry;
}
}
fi = get_fuse_inode(inode);
spin_lock(&fi->lock);