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Date: Thu, 10 Oct 2013 18:06:13 +0200 (CEST)
From: Lukáš Czerner <lczerner@...hat.com>
To: "Darrick J. Wong" <darrick.wong@...cle.com>
cc: tytso@....edu, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 24/31] libext2fs: Use ext2fs_punch() to truncate quota
file
On Mon, 30 Sep 2013, Darrick J. Wong wrote:
> Date: Mon, 30 Sep 2013 18:29:15 -0700
> From: Darrick J. Wong <darrick.wong@...cle.com>
> To: tytso@....edu, darrick.wong@...cle.com
> Cc: linux-ext4@...r.kernel.org
> Subject: [PATCH 24/31] libext2fs: Use ext2fs_punch() to truncate quota file
>
> Use the new ext2fs_punch() call to truncate the quota file. This also
> eliminates the need to fix it to work with bigalloc.
Looks good.
Reviewed-by: Lukas Czerner <lczerner@...hat.com>
>
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
> ---
> lib/quota/quotaio.c | 19 +++----------------
> 1 file changed, 3 insertions(+), 16 deletions(-)
>
>
> diff --git a/lib/quota/quotaio.c b/lib/quota/quotaio.c
> index 8ddb92a..807fabd 100644
> --- a/lib/quota/quotaio.c
> +++ b/lib/quota/quotaio.c
> @@ -98,19 +98,6 @@ void update_grace_times(struct dquot *q)
> }
> }
>
> -static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
> - e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
> - blk64_t ref_block EXT2FS_ATTR((unused)),
> - int ref_offset EXT2FS_ATTR((unused)),
> - void *private EXT2FS_ATTR((unused)))
> -{
> - blk64_t block;
> -
> - block = *blocknr;
> - ext2fs_block_alloc_stats2(fs, block, -1);
> - return 0;
> -}
> -
> static int compute_num_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
> e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
> blk64_t ref_block EXT2FS_ATTR((unused)),
> @@ -135,9 +122,9 @@ errcode_t quota_inode_truncate(ext2_filsys fs, ext2_ino_t ino)
> inode.i_dtime = fs->now ? fs->now : time(0);
> if (!ext2fs_inode_has_valid_blocks2(fs, &inode))
> return 0;
> -
> - ext2fs_block_iterate3(fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
> - release_blocks_proc, NULL);
> + err = ext2fs_punch(fs, ino, NULL, NULL, 0, ~0ULL);
> + if (err)
> + return err;
> fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
> memset(&inode, 0, sizeof(struct ext2_inode));
> } else {
>
> --
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