From: Ted Ts'o <tytso@mit.edu>
To: Lukas Czerner <lczerner@redhat.com>
Cc: linux-ext4@vger.kernel.org, sandeen@redhat.com
Subject: Re: [PATCH 1/4] e2fsck: Discard only unused parts of inode table
Date: Sun, 11 Mar 2012 15:27:05 -0400 [thread overview]
Message-ID: <20120311192705.GE1048@thunk.org> (raw)
In-Reply-To: <1330933776-2696-1-git-send-email-lczerner@redhat.com>
On Mon, Mar 05, 2012 at 08:49:33AM +0100, Lukas Czerner wrote:
> @@ -435,6 +481,7 @@ static void check_inode_bitmaps(e2fsck_t ctx)
> int skip_group = 0;
> int redo_flag = 0;
> io_manager manager = ctx->fs->io->manager;
> + unsigned long long first_free = fs->super->s_inodes_per_group + 1;
This doesn't need to be an unsigned long long; an "int" will do just
as well.
> + /*
> + * If the last inode is free, we can discard it as well.
> + */
> + if (inodes >= first_free)
> + e2fsck_discard_inodes(ctx, group, first_free,
> + inodes - first_free + 1);
There's no guarantee the last inode is free here. This needs to read:
if (!bitmap && inodes >= first_free)
I'll fix this up in my version of the patches.
- Ted
next prev parent reply other threads:[~2012-03-11 19:27 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-05 7:49 [PATCH 1/4] e2fsck: Discard only unused parts of inode table Lukas Czerner
2012-03-05 7:49 ` [PATCH 2/4] e2fsck: Do not forget to discard last block group Lukas Czerner
2012-03-05 19:29 ` Eric Sandeen
2012-03-11 19:18 ` Ted Ts'o
2012-03-11 19:33 ` [PATCH 1/3] e2fsck: remove last argument from e2fsck_discard_blocks() Theodore Ts'o
2012-03-11 19:33 ` [PATCH 2/3] e2fsck: do not forget to discard last block group Theodore Ts'o
2012-03-12 7:31 ` Lukas Czerner
2012-03-11 19:33 ` [PATCH 3/3] e2fsck: optimize CPU usage in check_{block,inode}_bitmaps() Theodore Ts'o
2012-03-12 7:44 ` Lukas Czerner
2012-03-12 7:30 ` [PATCH 1/3] e2fsck: remove last argument from e2fsck_discard_blocks() Lukas Czerner
2012-03-05 7:49 ` [PATCH 3/4] e2fsck: Do not discard when in read only mode Lukas Czerner
2012-03-05 19:33 ` Eric Sandeen
2012-03-11 19:35 ` Ted Ts'o
2012-03-05 7:49 ` [PATCH 4/4] e2fsck: Do not discard itable if discard doen't zero data Lukas Czerner
2012-03-05 19:46 ` Eric Sandeen
2012-03-11 19:39 ` Ted Ts'o
2012-03-05 17:45 ` [PATCH 1/4] e2fsck: Discard only unused parts of inode table Eric Sandeen
2012-03-05 18:43 ` Lukas Czerner
2012-03-05 19:01 ` Eric Sandeen
2012-03-11 19:27 ` Ted Ts'o [this message]
2012-03-12 7:26 ` Lukas Czerner
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