mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 20:48:49 +08:00
get rid of init_file()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
cc3808f8c3
commit
3d1e463158
@ -171,32 +171,6 @@ struct file *alloc_file(struct vfsmount *mnt, struct dentry *dentry,
|
||||
if (!file)
|
||||
return NULL;
|
||||
|
||||
init_file(file, mnt, dentry, mode, fop);
|
||||
return file;
|
||||
}
|
||||
EXPORT_SYMBOL(alloc_file);
|
||||
|
||||
/**
|
||||
* init_file - initialize a 'struct file'
|
||||
* @file: the already allocated 'struct file' to initialized
|
||||
* @mnt: the vfsmount on which the file resides
|
||||
* @dentry: the dentry representing this file
|
||||
* @mode: the mode the file is opened with
|
||||
* @fop: the 'struct file_operations' for this file
|
||||
*
|
||||
* Use this instead of setting the members directly. Doing so
|
||||
* avoids making mistakes like forgetting the mntget() or
|
||||
* forgetting to take a write on the mnt.
|
||||
*
|
||||
* Note: This is a crappy interface. It is here to make
|
||||
* merging with the existing users of get_empty_filp()
|
||||
* who have complex failure logic easier. All users
|
||||
* of this should be moving to alloc_file().
|
||||
*/
|
||||
int init_file(struct file *file, struct vfsmount *mnt, struct dentry *dentry,
|
||||
fmode_t mode, const struct file_operations *fop)
|
||||
{
|
||||
int error = 0;
|
||||
file->f_path.dentry = dentry;
|
||||
file->f_path.mnt = mntget(mnt);
|
||||
file->f_mapping = dentry->d_inode->i_mapping;
|
||||
@ -210,13 +184,13 @@ int init_file(struct file *file, struct vfsmount *mnt, struct dentry *dentry,
|
||||
* that we can do debugging checks at __fput()
|
||||
*/
|
||||
if ((mode & FMODE_WRITE) && !special_file(dentry->d_inode->i_mode)) {
|
||||
int error = 0;
|
||||
file_take_write(file);
|
||||
error = mnt_clone_write(mnt);
|
||||
WARN_ON(error);
|
||||
}
|
||||
return error;
|
||||
return file;
|
||||
}
|
||||
EXPORT_SYMBOL(init_file);
|
||||
|
||||
void fput(struct file *file)
|
||||
{
|
||||
|
@ -18,9 +18,6 @@ extern void drop_file_write_access(struct file *file);
|
||||
struct file_operations;
|
||||
struct vfsmount;
|
||||
struct dentry;
|
||||
extern int init_file(struct file *, struct vfsmount *mnt,
|
||||
struct dentry *dentry, fmode_t mode,
|
||||
const struct file_operations *fop);
|
||||
extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry,
|
||||
fmode_t mode, const struct file_operations *fop);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user