dquot: move dquot drop responsibility into the filesystem

Currently clear_inode calls vfs_dq_drop directly.  This means
we tie the quota code into the VFS.  Get rid of that and make the
filesystem responsible for the drop inside the ->clear_inode
superblock operation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index d929a822a74e..4086fa593419 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -131,6 +131,11 @@ static void jfs_destroy_inode(struct inode *inode)
         kmem_cache_free(jfs_inode_cachep, ji);
 }
 
+static void jfs_clear_inode(struct inode *inode)
+{
+        vfs_dq_drop(inode);
+}
+
 static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
         struct jfs_sb_info *sbi = JFS_SBI(dentry->d_sb);
@@ -745,6 +750,7 @@ static const struct super_operations jfs_super_operations = {
         .dirty_inode    = jfs_dirty_inode,
         .write_inode    = jfs_write_inode,
         .delete_inode   = jfs_delete_inode,
+        .clear_inode    = jfs_clear_inode,
         .put_super      = jfs_put_super,
         .sync_fs        = jfs_sync_fs,
         .freeze_fs      = jfs_freeze,