32 int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)  in generic_fadvise()  argument
42 	inode = file_inode(file);  in generic_fadvise()
46 	mapping = file->f_mapping;  in generic_fadvise()
81 		file->f_ra.ra_pages = bdi->ra_pages;  in generic_fadvise()
82 		spin_lock(&file->f_lock);  in generic_fadvise()
83 		file->f_mode &= ~FMODE_RANDOM;  in generic_fadvise()
84 		spin_unlock(&file->f_lock);  in generic_fadvise()
87 		spin_lock(&file->f_lock);  in generic_fadvise()
88 		file->f_mode |= FMODE_RANDOM;  in generic_fadvise()
89 		spin_unlock(&file->f_lock);  in generic_fadvise()
92 		file->f_ra.ra_pages = bdi->ra_pages * 2;  in generic_fadvise()
93 		spin_lock(&file->f_lock);  in generic_fadvise()
94 		file->f_mode &= ~FMODE_RANDOM;  in generic_fadvise()
95 		spin_unlock(&file->f_lock);  in generic_fadvise()
107 		force_page_cache_readahead(mapping, file, start_index, nrpages);  in generic_fadvise()
181 int vfs_fadvise(struct file *file, loff_t offset, loff_t len, int advice)  in vfs_fadvise()  argument
183 	if (file->f_op->fadvise)  in vfs_fadvise()
184 		return file->f_op->fadvise(file, offset, len, advice);  in vfs_fadvise()
186 	return generic_fadvise(file, offset, len, advice);  in vfs_fadvise()
197 	if (!f.file)  in ksys_fadvise64_64()
200 	ret = vfs_fadvise(f.file, offset, len, advice);  in ksys_fadvise64_64()