diff options
Diffstat (limited to '')
| -rw-r--r-- | fs/sysfs/file.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index a12ac0356c..6b7652fb80 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -167,6 +167,18 @@ static int sysfs_kf_bin_mmap(struct kernfs_open_file *of, return battr->mmap(of->file, kobj, battr, vma); } +static loff_t sysfs_kf_bin_llseek(struct kernfs_open_file *of, loff_t offset, + int whence) +{ + struct bin_attribute *battr = of->kn->priv; + struct kobject *kobj = of->kn->parent->priv; + + if (battr->llseek) + return battr->llseek(of->file, kobj, battr, offset, whence); + else + return generic_file_llseek(of->file, offset, whence); +} + static int sysfs_kf_bin_open(struct kernfs_open_file *of) { struct bin_attribute *battr = of->kn->priv; @@ -249,6 +261,7 @@ static const struct kernfs_ops sysfs_bin_kfops_mmap = { .write = sysfs_kf_bin_write, .mmap = sysfs_kf_bin_mmap, .open = sysfs_kf_bin_open, + .llseek = sysfs_kf_bin_llseek, }; int sysfs_add_file_mode_ns(struct kernfs_node *parent, |