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overlayfs: make use of ->free_inode()

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synchronous parts are left in ->destroy_inode()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2019-04-15 22:52:17 -04:00
parent b3b4a6e356
commit 0b269ded4e
1 changed files with 6 additions and 7 deletions
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13
fs/overlayfs/super.c
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@ -190,11 +190,13 @@ static struct inode *ovl_alloc_inode(struct super_block *sb)
return &oi->vfs_inode;
}
static void ovl_i_callback(struct rcu_head *head)
static void ovl_free_inode(struct inode *inode)
{
struct inode *inode = container_of(head, struct inode, i_rcu);
struct ovl_inode *oi = OVL_I(inode);
kmem_cache_free(ovl_inode_cachep, OVL_I(inode));
kfree(oi->redirect);
mutex_destroy(&oi->lock);
kmem_cache_free(ovl_inode_cachep, oi);
}
static void ovl_destroy_inode(struct inode *inode)
@ -207,10 +209,6 @@ static void ovl_destroy_inode(struct inode *inode)
ovl_dir_cache_free(inode);
else
iput(oi->lowerdata);
kfree(oi->redirect);
mutex_destroy(&oi->lock);
call_rcu(&inode->i_rcu, ovl_i_callback);
}
static void ovl_free_fs(struct ovl_fs *ofs)
@ -377,6 +375,7 @@ static int ovl_remount(struct super_block *sb, int *flags, char *data)
static const struct super_operations ovl_super_operations = {
.alloc_inode = ovl_alloc_inode,
.free_inode = ovl_free_inode,
.destroy_inode = ovl_destroy_inode,
.drop_inode = generic_delete_inode,
.put_super = ovl_put_super,