[tree-wide] finally take no_llseek out

no_llseek had been defined to NULL two years ago, in commit 868941b
("fs: remove no_llseek")

To quote that commit,

  At -rc1 we'll need do a mechanical removal of no_llseek -

  git grep -l -w no_llseek | grep -v porting.rst | while read i; do
	sed -i '/\<no_llseek\>/d' $i
  done

  would do it.

Unfortunately, that hadn't been done.  Linus, could you do that now, so
that we could finally put that thing to rest? All instances are of the
form
	.llseek = no_llseek,
so it's obviously safe.

Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Author: Al Viro

Documentation/watchdog/convert_drivers_to_kernel_api.rst

@@ -466,7 +466,6 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 }
 
 static const struct file_operations perf_fops = {
-	.llseek = no_llseek,
 	.read = perf_read,
 	.write = perf_write,
 	.unlocked_ioctl = perf_ioctl,

arch/parisc/kernel/perf.c

@@ -76,7 +76,6 @@ static long dbfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 static const struct file_operations dbfs_ops = {
 	.read		= dbfs_read,
-	.llseek		= no_llseek,
 	.unlocked_ioctl = dbfs_ioctl,
 };
 

arch/s390/hypfs/hypfs_dbfs.c

@@ -443,7 +443,6 @@ static const struct file_operations hypfs_file_ops = {
 	.release	= hypfs_release,
 	.read_iter	= hypfs_read_iter,
 	.write_iter	= hypfs_write_iter,
-	.llseek		= no_llseek,
 };
 
 static struct file_system_type hypfs_type = {

arch/s390/hypfs/inode.c

@@ -163,7 +163,6 @@ static const struct file_operations debug_file_ops = {
 	.write	 = debug_input,
 	.open	 = debug_open,
 	.release = debug_close,
-	.llseek  = no_llseek,
 };
 
 static struct dentry *debug_debugfs_root_entry;

arch/s390/kernel/debug.c

@@ -1698,7 +1698,6 @@ static const struct file_operations cfset_fops = {
 	.release = cfset_release,
 	.unlocked_ioctl	= cfset_ioctl,
 	.compat_ioctl = cfset_ioctl,
-	.llseek = no_llseek
 };
 
 static struct miscdevice cfset_dev = {

arch/s390/kernel/perf_cpum_cf.c

@@ -498,7 +498,6 @@ static const struct file_operations stsi_##fc##_##s1##_##s2##_fs_ops = {       \
 	.open		= stsi_open_##fc##_##s1##_##s2,			       \
 	.release	= stsi_release,					       \
 	.read		= stsi_read,					       \
-	.llseek		= no_llseek,					       \
 };
 
 static int stsi_release(struct inode *inode, struct file *file)

arch/s390/kernel/sysinfo.c

@@ -657,7 +657,6 @@ static const struct file_operations clp_misc_fops = {
 	.release = clp_misc_release,
 	.unlocked_ioctl = clp_misc_ioctl,
 	.compat_ioctl = clp_misc_ioctl,
-	.llseek = no_llseek,
 };
 
 static struct miscdevice clp_misc_device = {

arch/s390/pci/pci_clp.c

@@ -164,7 +164,6 @@ static const struct file_operations harddog_fops = {
 	.compat_ioctl	= compat_ptr_ioctl,
 	.open		= harddog_open,
 	.release	= harddog_release,
-	.llseek		= no_llseek,
 };
 
 static struct miscdevice harddog_miscdev = {

arch/um/drivers/harddog_kern.c

@@ -291,7 +291,6 @@ static int hostmixer_release(struct inode *inode, struct file *file)
 
 static const struct file_operations hostaudio_fops = {
 	.owner          = THIS_MODULE,
-	.llseek         = no_llseek,
 	.read           = hostaudio_read,
 	.write          = hostaudio_write,
 	.poll           = hostaudio_poll,
@@ -304,7 +303,6 @@ static const struct file_operations hostaudio_fops = {
 
 static const struct file_operations hostmixer_fops = {
 	.owner          = THIS_MODULE,
-	.llseek         = no_llseek,
 	.unlocked_ioctl	= hostmixer_ioctl_mixdev,
 	.open           = hostmixer_open_mixdev,
 	.release        = hostmixer_release,