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rpc_unlink(): use simple_recursive_removal()

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note that the callback of simple_recursive_removal() is called with
the parent locked; the victim isn't locked by the caller.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2024-02-19 23:24:41 -05:00
parent 8e7490c40e
commit 3829b30e77
1 changed files with 4 additions and 20 deletions
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24
net/sunrpc/rpc_pipe.c
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@ -168,8 +168,9 @@ rpc_inode_setowner(struct inode *inode, void *private)
}
static void
rpc_close_pipes(struct inode *inode)
rpc_close_pipes(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct rpc_pipe *pipe = RPC_I(inode)->pipe;
int need_release;
LIST_HEAD(free_list);
@ -619,14 +620,6 @@ static int __rpc_unlink(struct inode *dir, struct dentry *dentry)
return ret;
}
static int __rpc_rmpipe(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = d_inode(dentry);
rpc_close_pipes(inode);
return __rpc_unlink(dir, dentry);
}
static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
const char *name)
{
@ -814,17 +807,8 @@ EXPORT_SYMBOL_GPL(rpc_mkpipe_dentry);
int
rpc_unlink(struct dentry *dentry)
{
struct dentry *parent;
struct inode *dir;
int error = 0;
parent = dget_parent(dentry);
dir = d_inode(parent);
inode_lock_nested(dir, I_MUTEX_PARENT);
error = __rpc_rmpipe(dir, dentry);
inode_unlock(dir);
dput(parent);
return error;
simple_recursive_removal(dentry, rpc_close_pipes);
return 0;
}
EXPORT_SYMBOL_GPL(rpc_unlink);