[PATCH 02/14] autofs: switch to kernel_write

[Christoph Hellwig]

While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig 
Acked-by: Ian Kent 
---
 fs/autofs/waitq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index b04c528b19d342..74c886f7c51cbe 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,
 
mutex_lock(&sbi->pipe_mutex);
while (bytes) {
-   wr = __kernel_write(file, data, bytes, &file->f_pos);
+   wr = kernel_write(file, data, bytes, &file->f_pos);
if (wr <= 0)
break;
data += wr;
-- 
2.26.2

[PATCH 02/14] autofs: switch to kernel_write

[Christoph Hellwig]

While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig 
Acked-by: Ian Kent 
---
 fs/autofs/waitq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index b04c528b19d34..74c886f7c51cb 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,
 
mutex_lock(&sbi->pipe_mutex);
while (bytes) {
-   wr = __kernel_write(file, data, bytes, &file->f_pos);
+   wr = kernel_write(file, data, bytes, &file->f_pos);
if (wr <= 0)
break;
data += wr;
-- 
2.26.2

Re: [PATCH 02/14] autofs: switch to kernel_write

[Ian Kent]

On Wed, 2020-05-13 at 08:56 +0200, Christoph Hellwig wrote:
> While pipes don't really need sb_writers projection, __kernel_write
> is an
> interface better kept private, and the additional rw_verify_area does
> not
> hurt here.
> 
> Signed-off-by: Christoph Hellwig 

Right, should be fine AFAICS.
Acked-by: Ian Kent 

> ---
>  fs/autofs/waitq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
> index b04c528b19d34..74c886f7c51cb 100644
> --- a/fs/autofs/waitq.c
> +++ b/fs/autofs/waitq.c
> @@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,
>  
>   mutex_lock(&sbi->pipe_mutex);
>   while (bytes) {
> - wr = __kernel_write(file, data, bytes, &file->f_pos);
> + wr = kernel_write(file, data, bytes, &file->f_pos);
>   if (wr <= 0)
>   break;
>   data += wr;

[PATCH 02/14] autofs: switch to kernel_write

[Christoph Hellwig]

While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig 
---
 fs/autofs/waitq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index b04c528b19d34..74c886f7c51cb 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,
 
mutex_lock(&sbi->pipe_mutex);
while (bytes) {
-   wr = __kernel_write(file, data, bytes, &file->f_pos);
+   wr = kernel_write(file, data, bytes, &file->f_pos);
if (wr <= 0)
break;
data += wr;
-- 
2.26.2