diff options
Diffstat (limited to 'fs/orangefs/super.c')
| -rw-r--r-- | fs/orangefs/super.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index b9da9a0281c9..c48859f16e7b 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -33,6 +33,7 @@ static const match_table_t tokens = { { Opt_err, NULL } }; +uint64_t orangefs_features; static int parse_mount_options(struct super_block *sb, char *options, int silent) @@ -249,6 +250,19 @@ int orangefs_remount(struct orangefs_sb_info_s *orangefs_sb) } op_release(new_op); + + if (orangefs_userspace_version >= 20906) { + new_op = op_alloc(ORANGEFS_VFS_OP_FEATURES); + 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; + op_release(new_op); + } else { + orangefs_features = 0; + } + return ret; } @@ -492,6 +506,19 @@ struct dentry *orangefs_mount(struct file_system_type *fst, list_add_tail(&ORANGEFS_SB(sb)->list, &orangefs_superblocks); spin_unlock(&orangefs_superblocks_lock); op_release(new_op); + + if (orangefs_userspace_version >= 20906) { + new_op = op_alloc(ORANGEFS_VFS_OP_FEATURES); + if (!new_op) + return ERR_PTR(-ENOMEM); + new_op->upcall.req.features.features = 0; + ret = service_operation(new_op, "orangefs_features", 0); + orangefs_features = new_op->downcall.resp.features.features; + op_release(new_op); + } else { + orangefs_features = 0; + } + return dget(sb->s_root); free_op: @@ -530,8 +557,8 @@ void orangefs_kill_sb(struct super_block *sb) * make sure that ORANGEFS_DEV_REMOUNT_ALL loop that might've seen us * gets completed before we free the dang thing. */ - mutex_lock(&request_mutex); - mutex_unlock(&request_mutex); + mutex_lock(&orangefs_request_mutex); + mutex_unlock(&orangefs_request_mutex); /* free the orangefs superblock private data */ kfree(ORANGEFS_SB(sb)); |