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-rw-r--r--fs/fuse/dir.c4
-rw-r--r--fs/fuse/fuse_i.h1
-rw-r--r--fs/fuse/inode.c7
3 files changed, 9 insertions, 3 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 5e408e7ec..936a24b64 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -399,6 +399,10 @@ 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 a9681fecb..253b9b78d 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -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);
}
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index f81000d96..367e3b276 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -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);