From: Ted Ts'o <tytso@mit.edu>
To: Lukas Czerner <lczerner@redhat.com>
Cc: sandeen@redhat.com, adilger@dilger.ca, linux-ext4@vger.kernel.org
Subject: Re: [4/6] mke2fs: Deprecate -K option, introduce discard/nodiscard
Date: Tue, 23 Nov 2010 10:17:30 -0500 [thread overview]
Message-ID: <20101123151730.GD32759@thunk.org> (raw)
In-Reply-To: <1290087521-9123-5-git-send-email-lczerner@redhat.com>
On Thu, Nov 18, 2010 at 03:38:39AM -0000, Lukas Czerner wrote:
> It would be nice to have consistent "discard" options in every system
> tool (mount, fsck, mkfs) taking advantage of discards. Also "discard"
> and "nodiscard" is more descriptive instead of just "-K" and can be
> easily defaulted and it is something we can not do with "-K".
>
> With this commit you need to specify extended option like this:
>
> ./mke2fs -T <fstype> -E nodiscard <device>
>
> in order make a filesystem without discarding the device first. And
>
> ./mke2fs -T <fstype> -E discard <device>
>
> respectively.
>
> -K option is with this commit deprecated and should not be used anymore.
>
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Applied to the maint branch of e2fsprogs, so it will make 1.41.13.
- Ted
next prev parent reply other threads:[~2010-11-23 15:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 13:38 [PATCH 0/6 v2] e2fsprogs: Using discard in e2fsprogs tools Lukas Czerner
2010-11-18 13:38 ` [PATCH 1/6] e2fsprogs: Add discard function into struct_io_manager Lukas Czerner
2010-11-23 14:54 ` [1/6] " Ted Ts'o
2010-12-02 8:34 ` Lukas Czerner
2010-11-18 13:38 ` [PATCH 2/6] e2fsprogs: Add CHANNEL_FLAGS_DISCARD_ZEROES flag for io_manager Lukas Czerner
2010-11-23 14:55 ` [2/6] " Ted Ts'o
2010-11-18 13:38 ` [PATCH 3/6] e2fsck: Discard free data and inode blocks Lukas Czerner
2010-11-23 15:17 ` [3/6] " Ted Ts'o
2010-11-18 13:38 ` [PATCH 4/6] mke2fs: Deprecate -K option, introduce discard/nodiscard Lukas Czerner
2010-11-23 15:17 ` Ted Ts'o [this message]
2010-11-18 13:38 ` [PATCH 5/6] mke2fs: Use unix_discard() for discards Lukas Czerner
2010-11-23 15:18 ` [5/6] " Ted Ts'o
2010-11-18 13:38 ` [PATCH 6/6] mke2fs: Add discard option into mke2fs.conf Lukas Czerner
2010-11-23 15:18 ` [6/6] " Ted Ts'o
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