Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

[deliverable/linux.git] / fs / freevxfs / vxfs_super.c

diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c
index 40125cc825f2795417837d1f6e7a007d74a92b00..455ce5b77e9bf9eea279dccdf4a31a2a2154cd74 100644 (file)
--- a/fs/freevxfs/vxfs_super.c
+++ b/fs/freevxfs/vxfs_super.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2000-2001 Christoph Hellwig.
+ * Copyright (c) 2016 Krzysztof Blaszkowski
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,10 +49,12 @@
 #include "vxfs_inode.h"
 
 
-MODULE_AUTHOR("Christoph Hellwig");
+MODULE_AUTHOR("Christoph Hellwig, Krzysztof Blaszkowski");
 MODULE_DESCRIPTION("Veritas Filesystem (VxFS) driver");
 MODULE_LICENSE("Dual BSD/GPL");
 
+static struct kmem_cache *vxfs_inode_cachep;
+
 /**
  * vxfs_put_super - free superblock resources
  * @sbp:       VFS superblock.
@@ -117,7 +120,32 @@ static int vxfs_remount(struct super_block *sb, int *flags, char *data)
        return 0;
 }
 
+static struct inode *vxfs_alloc_inode(struct super_block *sb)
+{
+       struct vxfs_inode_info *vi;
+
+       vi = kmem_cache_alloc(vxfs_inode_cachep, GFP_KERNEL);
+       if (!vi)
+               return NULL;
+       inode_init_once(&vi->vfs_inode);
+       return &vi->vfs_inode;
+}
+
+static void vxfs_i_callback(struct rcu_head *head)
+{
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+
+       kmem_cache_free(vxfs_inode_cachep, VXFS_INO(inode));
+}
+
+static void vxfs_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, vxfs_i_callback);
+}
+
 static const struct super_operations vxfs_super_ops = {
+       .alloc_inode            = vxfs_alloc_inode,
+       .destroy_inode          = vxfs_destroy_inode,
        .evict_inode            = vxfs_evict_inode,
        .put_super              = vxfs_put_super,
        .statfs                 = vxfs_statfs,
@@ -206,6 +234,7 @@ static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent)
                goto out;
        }
 
+       sbp->s_op = &vxfs_super_ops;
        sbp->s_fs_info = infp;
 
        if (!vxfs_try_sb_magic(sbp, silent, 1,
@@ -256,7 +285,6 @@ static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent)
                goto out;
        }
 
-       sbp->s_op = &vxfs_super_ops;
        root = vxfs_iget(sbp, VXFS_ROOT_INO);
        if (IS_ERR(root)) {
                ret = PTR_ERR(root);