2007-07-01 07:35:48

by Mingming Cao

Subject: [EXT4 set 1][PATCH 1/2] Add noextents mount option

Add a mount option to turn off extents.

Signed-off-by: Mingming Cao <[email protected]>
---
Index: linux-2.6.22-rc4/fs/ext4/super.c
===================================================================
--- linux-2.6.22-rc4.orig/fs/ext4/super.c 2007-06-11 17:02:18.000000000 -0700
+++ linux-2.6.22-rc4/fs/ext4/super.c 2007-06-11 17:02:22.000000000 -0700
@@ -725,7 +725,7 @@
Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
- Opt_grpquota, Opt_extents,
+ Opt_grpquota, Opt_extents, Opt_noextents,
};

static match_table_t tokens = {
@@ -776,6 +776,7 @@
{Opt_usrquota, "usrquota"},
{Opt_barrier, "barrier=%u"},
{Opt_extents, "extents"},
+ {Opt_noextents, "noextents"},
{Opt_err, NULL},
{Opt_resize, "resize"},
};
@@ -1111,6 +1112,9 @@
case Opt_extents:
set_opt (sbi->s_mount_opt, EXTENTS);
break;
+ case Opt_noextents:
+ clear_opt (sbi->s_mount_opt, EXTENTS);
+ break;
default:
printk (KERN_ERR
"EXT4-fs: Unrecognized mount option \"%s\" "

2007-07-10 23:30:12

by Andrew Morton

Subject: Re: [EXT4 set 1][PATCH 1/2] Add noextents mount option

On Sun, 01 Jul 2007 03:35:48 -0400
Mingming Cao <[email protected]> wrote:

> Add a mount option to turn off extents.

Please update the changelog to describe the reason for making this change.


> Signed-off-by: Mingming Cao <[email protected]>
> ---
> Index: linux-2.6.22-rc4/fs/ext4/super.c
> ===================================================================
> --- linux-2.6.22-rc4.orig/fs/ext4/super.c 2007-06-11 17:02:18.000000000 -0700
> +++ linux-2.6.22-rc4/fs/ext4/super.c 2007-06-11 17:02:22.000000000 -0700
> @@ -725,7 +725,7 @@
> Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
> Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
> Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
> - Opt_grpquota, Opt_extents,
> + Opt_grpquota, Opt_extents, Opt_noextents,
> };
>
> static match_table_t tokens = {
> @@ -776,6 +776,7 @@
> {Opt_usrquota, "usrquota"},
> {Opt_barrier, "barrier=%u"},
> {Opt_extents, "extents"},
> + {Opt_noextents, "noextents"},
> {Opt_err, NULL},
> {Opt_resize, "resize"},
> };
> @@ -1111,6 +1112,9 @@
> case Opt_extents:
> set_opt (sbi->s_mount_opt, EXTENTS);
> break;
> + case Opt_noextents:
> + clear_opt (sbi->s_mount_opt, EXTENTS);
> + break;
> default:
> printk (KERN_ERR
> "EXT4-fs: Unrecognized mount option \"%s\" "
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/

2007-07-10 20:48:33

by Mingming Cao

Subject: Re: [EXT4 set 1][PATCH 1/2] Add noextents mount option

On Tue, 2007-07-10 at 16:30 -0700, Andrew Morton wrote:
> On Sun, 01 Jul 2007 03:35:48 -0400
> Mingming Cao <[email protected]> wrote:
>
> > Add a mount option to turn off extents.
>
> Please update the changelog to describe the reason for making this change.
>
>

Sure, I will update the changelog, mainly this is for wide testing of
extents feature in ext4dev.

> > Signed-off-by: Mingming Cao <[email protected]>
> > ---
> > Index: linux-2.6.22-rc4/fs/ext4/super.c
> > ===================================================================
> > --- linux-2.6.22-rc4.orig/fs/ext4/super.c 2007-06-11 17:02:18.000000000 -0700
> > +++ linux-2.6.22-rc4/fs/ext4/super.c 2007-06-11 17:02:22.000000000 -0700
> > @@ -725,7 +725,7 @@
> > Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
> > Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
> > Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
> > - Opt_grpquota, Opt_extents,
> > + Opt_grpquota, Opt_extents, Opt_noextents,
> > };
> >
> > static match_table_t tokens = {
> > @@ -776,6 +776,7 @@
> > {Opt_usrquota, "usrquota"},
> > {Opt_barrier, "barrier=%u"},
> > {Opt_extents, "extents"},
> > + {Opt_noextents, "noextents"},
> > {Opt_err, NULL},
> > {Opt_resize, "resize"},
> > };
> > @@ -1111,6 +1112,9 @@
> > case Opt_extents:
> > set_opt (sbi->s_mount_opt, EXTENTS);
> > break;
> > + case Opt_noextents:
> > + clear_opt (sbi->s_mount_opt, EXTENTS);
> > + break;
> > default:
> > printk (KERN_ERR
> > "EXT4-fs: Unrecognized mount option \"%s\" "
> >
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to [email protected]
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/