2017-10-11 05:01:31

by Markus Trippelsdorf

[permalink] [raw]
Subject: [PATCH] VFS: Handle lazytime in do_mount()

Since commit e462ec50cb5fa ("VFS: Differentiate mount flags (MS_*) from
internal superblock flags") the lazytime mount option doesn't get passed
on anymore.

Fix the issue by handling the option in do_mount().

Reviewed-by: Lukas Czerner <[email protected]>
Signed-off-by: Markus Trippelsdorf <[email protected]>
---
fs/namespace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 54059b142d6b..b633838b8f02 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2823,7 +2823,8 @@ long do_mount(const char *dev_name, const char __user *dir_name,
SB_MANDLOCK |
SB_DIRSYNC |
SB_SILENT |
- SB_POSIXACL);
+ SB_POSIXACL |
+ SB_LAZYTIME);

if (flags & MS_REMOUNT)
retval = do_remount(&path, flags, sb_flags, mnt_flags,
--
Markus


2017-11-17 12:09:26

by Goldwyn Rodrigues

[permalink] [raw]
Subject: Re: [PATCH] VFS: Handle lazytime in do_mount()



On 10/11/2017 12:01 AM, Markus Trippelsdorf wrote:
> Since commit e462ec50cb5fa ("VFS: Differentiate mount flags (MS_*) from
> internal superblock flags") the lazytime mount option doesn't get passed
> on anymore.
>
> Fix the issue by handling the option in do_mount().
>
> Reviewed-by: Lukas Czerner <[email protected]>
> Signed-off-by: Markus Trippelsdorf <[email protected]>

Reviewed-by: Goldwyn Rodrigues <[email protected]>

> ---
> fs/namespace.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/namespace.c b/fs/namespace.c
> index 54059b142d6b..b633838b8f02 100644
> --- a/fs/namespace.c
> +++ b/fs/namespace.c
> @@ -2823,7 +2823,8 @@ long do_mount(const char *dev_name, const char __user *dir_name,
> SB_MANDLOCK |
> SB_DIRSYNC |
> SB_SILENT |
> - SB_POSIXACL);
> + SB_POSIXACL |
> + SB_LAZYTIME);
>
> if (flags & MS_REMOUNT)
> retval = do_remount(&path, flags, sb_flags, mnt_flags,
>

--
Goldwyn