int au_finfo_init(struct file *file, struct au_fidir *fidir)
{
int err;
unsigned long ul;
struct au_finfo *finfo;
struct dentry *dentry;
err = -ENOMEM;
dentry = file->f_dentry;
finfo = au_cache_alloc_finfo();
if (unlikely(!finfo))
goto out;
err = 0;
au_rw_write_lock(&finfo->fi_rwsem);
finfo->fi_btop = -1;
finfo->fi_hdir = fidir;
atomic_set(&finfo->fi_generation, au_digen(dentry));
/* smp_mb(); */ /* atomic_set */
/* cf. au_store_oflag() */
ul = (unsigned long)file->private_data;
file->f_mode |= (ul & FMODE_EXEC);
file->private_data = finfo;
out:
return err;
}
int au_finfo_init(struct file *file, struct au_fidir *fidir)
{
int err, lc_idx;
struct au_finfo *finfo;
struct dentry *dentry;
err = -ENOMEM;
dentry = file->f_dentry;
finfo = au_cache_alloc_finfo();
if (unlikely(!finfo))
goto out;
err = 0;
au_nfiles_inc(dentry->d_sb);
lc_idx = AuLcNonDir_FIINFO;
if (fidir)
lc_idx = AuLcDir_FIINFO;
au_rw_class(&finfo->fi_rwsem, au_lc_key + lc_idx);
au_rw_write_lock(&finfo->fi_rwsem);
finfo->fi_btop = -1;
finfo->fi_hdir = fidir;
atomic_set(&finfo->fi_generation, au_digen(dentry));
/* smp_mb(); */ /* atomic_set */
file->private_data = finfo;
out:
return err;
}
int au_finfo_init(struct file *file)
{
struct au_finfo *finfo;
struct dentry *dentry;
unsigned long ul;
dentry = file->f_dentry;
finfo = au_cache_alloc_finfo();
if (unlikely(!finfo))
goto out;
finfo->fi_hfile = kcalloc(au_sbend(dentry->d_sb) + 1,
sizeof(*finfo->fi_hfile), GFP_NOFS);
if (unlikely(!finfo->fi_hfile))
goto out_finfo;
au_rw_init_wlock(&finfo->fi_rwsem);
finfo->fi_bstart = -1;
finfo->fi_bend = -1;
atomic_set(&finfo->fi_generation, au_digen(dentry));
/* smp_mb(); */ /* atomic_set */
/* cf. au_store_oflag() */
/* suppress a warning in lp64 */
ul = (unsigned long)file->private_data;
file->f_mode |= (vfsub_uint_to_fmode(ul) & FMODE_EXEC);
file->private_data = finfo;
return 0; /* success */
out_finfo:
au_cache_free_finfo(finfo);
out:
return -ENOMEM;
}
