[RFC PATCH 54/62] ext4: make use of ->free_inode()

From: Al Viro
Date: Tue Apr 16 2019 - 13:54:11 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

the rest of this ->destroy_inode() instance could probably be folded
into ext4_evict_inode()

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/ext4/super.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6ed4eb81e674..981f702848e7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1107,9 +1107,8 @@ static int ext4_drop_inode(struct inode *inode)
return drop;
}

-static void ext4_i_callback(struct rcu_head *head)
+static void ext4_free_in_core_inode(struct inode *inode)
{
- struct inode *inode = container_of(head, struct inode, i_rcu);
kmem_cache_free(ext4_inode_cachep, EXT4_I(inode));
}

@@ -1124,7 +1123,6 @@ static void ext4_destroy_inode(struct inode *inode)
true);
dump_stack();
}
- call_rcu(&inode->i_rcu, ext4_i_callback);
}

static void init_once(void *foo)
@@ -1402,6 +1400,7 @@ static const struct quotactl_ops ext4_qctl_operations = {

static const struct super_operations ext4_sops = {
.alloc_inode = ext4_alloc_inode,
+ .free_inode = ext4_free_in_core_inode,
.destroy_inode = ext4_destroy_inode,
.write_inode = ext4_write_inode,
.dirty_inode = ext4_dirty_inode,
--
2.11.0