diff options
Diffstat (limited to 'fs/ceph/inode.c')
-rw-r--r-- | fs/ceph/inode.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index e3346628efe2..35dae6d5493a 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -519,11 +519,11 @@ struct inode *ceph_alloc_inode(struct super_block *sb) return &ci->vfs_inode; } -static void ceph_i_callback(struct rcu_head *head) +void ceph_free_inode(struct inode *inode) { - struct inode *inode = container_of(head, struct inode, i_rcu); struct ceph_inode_info *ci = ceph_inode(inode); + kfree(ci->i_symlink); kmem_cache_free(ceph_inode_cachep, ci); } @@ -566,7 +566,6 @@ void ceph_destroy_inode(struct inode *inode) } } - kfree(ci->i_symlink); while ((n = rb_first(&ci->i_fragtree)) != NULL) { frag = rb_entry(n, struct ceph_inode_frag, node); rb_erase(n, &ci->i_fragtree); @@ -581,8 +580,6 @@ void ceph_destroy_inode(struct inode *inode) ceph_buffer_put(ci->i_xattrs.prealloc_blob); ceph_put_string(rcu_dereference_raw(ci->i_layout.pool_ns)); - - call_rcu(&inode->i_rcu, ceph_i_callback); } int ceph_drop_inode(struct inode *inode) @@ -1163,6 +1160,19 @@ static int splice_dentry(struct dentry **pdn, struct inode *in) return 0; } +static int d_name_cmp(struct dentry *dentry, const char *name, size_t len) +{ + int ret; + + /* take d_lock to ensure dentry->d_name stability */ + spin_lock(&dentry->d_lock); + ret = dentry->d_name.len - len; + if (!ret) + ret = memcmp(dentry->d_name.name, name, len); + spin_unlock(&dentry->d_lock); + return ret; +} + /* * Incorporate results into the local cache. This is either just * one inode, or a directory, dentry, and possibly linked-to inode (e.g., @@ -1412,7 +1422,8 @@ retry_lookup: err = splice_dentry(&req->r_dentry, in); if (err < 0) goto done; - } else if (rinfo->head->is_dentry) { + } else if (rinfo->head->is_dentry && + !d_name_cmp(req->r_dentry, rinfo->dname, rinfo->dname_len)) { struct ceph_vino *ptvino = NULL; if ((le32_to_cpu(rinfo->diri.in->cap.caps) & CEPH_CAP_FILE_SHARED) || |