Adding upstream version 5.10.216.upstream/5.10.216

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 9 insertions, 3 deletions

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index b0c701c00..d131f34cd 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -451,6 +451,10 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name
 		goto out_put_forget;
 	if (fuse_invalid_attr(&outarg->attr))
 		goto out_put_forget;
+	if (outarg->nodeid == FUSE_ROOT_ID && outarg->generation != 0) {
+		pr_warn_once("root generation should be zero\n");
+		outarg->generation = 0;
+	}
 
 	*inode = fuse_iget(sb, outarg->nodeid, outarg->generation,
 			   &outarg->attr, entry_attr_timeout(outarg),
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index ceaa68683..33eb5fefc 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -873,7 +873,6 @@ 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);
 }
 
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 9ea175ff9..4a7ebccd3 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -352,8 +352,11 @@ 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;
+		}
 	}
 done:
 	fi = get_fuse_inode(inode);