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fs/romfs/inode.c: trivial improvements

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- There are no lists in fs/romfs/inode.c, so using list_entry
  is a bit confusing.  Replace it with container_of.

- It is unnecessary to cast the return value of
  kmem_cache_alloc, since it returns a void* pointer.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
WANG Cong 2007-10-16 23:26:15 -07:00 committed by Linus Torvalds
parent 0cbc591bf8
commit 55ca3e796d
1 changed files with 2 additions and 2 deletions
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4
fs/romfs/inode.c
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@ -92,7 +92,7 @@ static inline unsigned long romfs_maxsize(struct super_block *sb)
static inline struct romfs_inode_info *ROMFS_I(struct inode *inode)
{
return list_entry(inode, struct romfs_inode_info, vfs_inode);
return container_of(inode, struct romfs_inode_info, vfs_inode);
}
static __u32
@ -555,7 +555,7 @@ static struct kmem_cache * romfs_inode_cachep;
static struct inode *romfs_alloc_inode(struct super_block *sb)
{
struct romfs_inode_info *ei;
ei = (struct romfs_inode_info *)kmem_cache_alloc(romfs_inode_cachep, GFP_KERNEL);
ei = kmem_cache_alloc(romfs_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
return &ei->vfs_inode;