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authorTejun Heo <tj@kernel.org>2014-02-03 20:09:09 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-08 00:52:48 +0100
commit90c07c895c87d38db100b6afcb686ab3ef0d6a64 (patch)
tree22ff946cdcd306f0ba5ce998832db0028bae3aab /fs/kernfs
parentkernfs: invoke dir_ops while holding active ref of the target node (diff)
downloadlinux-90c07c895c87d38db100b6afcb686ab3ef0d6a64.tar.xz
linux-90c07c895c87d38db100b6afcb686ab3ef0d6a64.zip
kernfs: rename kernfs_dir_ops to kernfs_syscall_ops
We're gonna need non-dir syscall callbacks, which will make dir_ops a misnomer. Let's rename kernfs_dir_ops to kernfs_syscall_ops. This is pure rename. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/kernfs')
-rw-r--r--fs/kernfs/dir.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index bfbfb48f4ad8..f58d2f16eaf7 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -527,13 +527,14 @@ EXPORT_SYMBOL_GPL(kernfs_find_and_get_ns);
/**
* kernfs_create_root - create a new kernfs hierarchy
- * @kdops: optional directory syscall operations for the hierarchy
+ * @scops: optional syscall operations for the hierarchy
* @priv: opaque data associated with the new directory
*
* Returns the root of the new hierarchy on success, ERR_PTR() value on
* failure.
*/
-struct kernfs_root *kernfs_create_root(struct kernfs_dir_ops *kdops, void *priv)
+struct kernfs_root *kernfs_create_root(struct kernfs_syscall_ops *scops,
+ void *priv)
{
struct kernfs_root *root;
struct kernfs_node *kn;
@@ -556,7 +557,7 @@ struct kernfs_root *kernfs_create_root(struct kernfs_dir_ops *kdops, void *priv)
kn->priv = priv;
kn->dir.root = root;
- root->dir_ops = kdops;
+ root->syscall_ops = scops;
root->kn = kn;
init_waitqueue_head(&root->deactivate_waitq);
@@ -653,16 +654,16 @@ static int kernfs_iop_mkdir(struct inode *dir, struct dentry *dentry,
umode_t mode)
{
struct kernfs_node *parent = dir->i_private;
- struct kernfs_dir_ops *kdops = kernfs_root(parent)->dir_ops;
+ struct kernfs_syscall_ops *scops = kernfs_root(parent)->syscall_ops;
int ret;
- if (!kdops || !kdops->mkdir)
+ if (!scops || !scops->mkdir)
return -EPERM;
if (!kernfs_get_active(parent))
return -ENODEV;
- ret = kdops->mkdir(parent, dentry->d_name.name, mode);
+ ret = scops->mkdir(parent, dentry->d_name.name, mode);
kernfs_put_active(parent);
return ret;
@@ -671,16 +672,16 @@ static int kernfs_iop_mkdir(struct inode *dir, struct dentry *dentry,
static int kernfs_iop_rmdir(struct inode *dir, struct dentry *dentry)
{
struct kernfs_node *kn = dentry->d_fsdata;
- struct kernfs_dir_ops *kdops = kernfs_root(kn)->dir_ops;
+ struct kernfs_syscall_ops *scops = kernfs_root(kn)->syscall_ops;
int ret;
- if (!kdops || !kdops->rmdir)
+ if (!scops || !scops->rmdir)
return -EPERM;
if (!kernfs_get_active(kn))
return -ENODEV;
- ret = kdops->rmdir(kn);
+ ret = scops->rmdir(kn);
kernfs_put_active(kn);
return ret;
@@ -691,10 +692,10 @@ static int kernfs_iop_rename(struct inode *old_dir, struct dentry *old_dentry,
{
struct kernfs_node *kn = old_dentry->d_fsdata;
struct kernfs_node *new_parent = new_dir->i_private;
- struct kernfs_dir_ops *kdops = kernfs_root(kn)->dir_ops;
+ struct kernfs_syscall_ops *scops = kernfs_root(kn)->syscall_ops;
int ret;
- if (!kdops || !kdops->rename)
+ if (!scops || !scops->rename)
return -EPERM;
if (!kernfs_get_active(kn))
@@ -705,7 +706,7 @@ static int kernfs_iop_rename(struct inode *old_dir, struct dentry *old_dentry,
return -ENODEV;
}
- ret = kdops->rename(kn, new_parent, new_dentry->d_name.name);
+ ret = scops->rename(kn, new_parent, new_dentry->d_name.name);
kernfs_put_active(new_parent);
kernfs_put_active(kn);