diff options
Diffstat (limited to 'fs/orangefs/super.c')
| -rw-r--r-- | fs/orangefs/super.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index 67c24351a67f..629d8c917fa6 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -263,8 +263,13 @@ int orangefs_remount(struct orangefs_sb_info_s *orangefs_sb) if (!new_op) return -ENOMEM; new_op->upcall.req.features.features = 0; - ret = service_operation(new_op, "orangefs_features", 0); - orangefs_features = new_op->downcall.resp.features.features; + ret = service_operation(new_op, "orangefs_features", + ORANGEFS_OP_PRIORITY | ORANGEFS_OP_NO_MUTEX); + if (!ret) + orangefs_features = + new_op->downcall.resp.features.features; + else + orangefs_features = 0; op_release(new_op); } else { orangefs_features = 0; @@ -488,7 +493,7 @@ struct dentry *orangefs_mount(struct file_system_type *fst, if (ret) { d = ERR_PTR(ret); - goto free_op; + goto free_sb_and_op; } /* @@ -514,6 +519,9 @@ struct dentry *orangefs_mount(struct file_system_type *fst, spin_unlock(&orangefs_superblocks_lock); op_release(new_op); + /* Must be removed from the list now. */ + ORANGEFS_SB(sb)->no_list = 0; + if (orangefs_userspace_version >= 20906) { new_op = op_alloc(ORANGEFS_VFS_OP_FEATURES); if (!new_op) @@ -528,6 +536,10 @@ struct dentry *orangefs_mount(struct file_system_type *fst, return dget(sb->s_root); +free_sb_and_op: + /* Will call orangefs_kill_sb with sb not in list. */ + ORANGEFS_SB(sb)->no_list = 1; + deactivate_locked_super(sb); free_op: gossip_err("orangefs_mount: mount request failed with %d\n", ret); if (ret == -EINVAL) { @@ -553,12 +565,14 @@ void orangefs_kill_sb(struct super_block *sb) */ orangefs_unmount_sb(sb); - /* remove the sb from our list of orangefs specific sb's */ - - spin_lock(&orangefs_superblocks_lock); - __list_del_entry(&ORANGEFS_SB(sb)->list); /* not list_del_init */ - ORANGEFS_SB(sb)->list.prev = NULL; - spin_unlock(&orangefs_superblocks_lock); + if (!ORANGEFS_SB(sb)->no_list) { + /* remove the sb from our list of orangefs specific sb's */ + spin_lock(&orangefs_superblocks_lock); + /* not list_del_init */ + __list_del_entry(&ORANGEFS_SB(sb)->list); + ORANGEFS_SB(sb)->list.prev = NULL; + spin_unlock(&orangefs_superblocks_lock); + } /* * make sure that ORANGEFS_DEV_REMOUNT_ALL loop that might've seen us |