From: Ted Ts'o <tytso@mit.edu>
To: Namhyung Kim <namhyung@gmail.com>
Cc: Lukas Czerner <lczerner@redhat.com>, linux-ext4@vger.kernel.org
Subject: Re: [PATCH 03/15] mke2fs: simplify inode table block counting
Date: Mon, 20 Dec 2010 10:44:58 -0500 [thread overview]
Message-ID: <20101220154458.GJ23626@thunk.org> (raw)
In-Reply-To: <1291204145.1684.10.camel@leonhard>
On Wed, Dec 01, 2010 at 08:49:05PM +0900, Namhyung Kim wrote:
>
> We have ext2fs_div[64]_ceil() for that. So I can use it like
>
> ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super);
> num = ext2_fs_div_ceil(fs->super->s_inodes_per_group -
> ext2fs_bg_itable_unused(fs, i), ipb);
>
> or
>
> num = ext2_fs_div_ceil((fs->super->s_inodes_per_group -
> ext2fs_bg_itable_unused(fs, i)) *
> EXT2_INODE_SIZE(fs->super),
> EXT2_BLOCK_SIZE(fs->super));
>
> Either is fine to me. Ted, what's your preference?
I've checked in the second since it's closer to the original code.
- Ted
next prev parent reply other threads:[~2010-12-20 15:45 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-29 8:55 [PATCH 00/15] e2fsprogs cleanups Namhyung Kim
2010-11-29 8:55 ` [PATCH 01/15 RESEND] libext2fs: fix potential build failure with OMIT_COM_ERR Namhyung Kim
2010-12-20 15:04 ` [01/15, " Ted Ts'o
2010-11-29 8:55 ` [PATCH 02/15 RESEND] libext2fs: fix dubious code in ext2fs_numeric_progress_init() Namhyung Kim
2010-12-20 15:04 ` [02/15, " Ted Ts'o
2010-11-29 8:55 ` [PATCH 03/15] mke2fs: simplify inode table block counting Namhyung Kim
2010-11-30 12:01 ` Lukas Czerner
2010-12-01 11:49 ` Namhyung Kim
2010-12-20 15:44 ` Ted Ts'o [this message]
2010-11-29 8:55 ` [PATCH 04/15] libext2fs: remove unnecessary casts to ext2fs_generic_bitmap Namhyung Kim
2010-12-20 15:50 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 05/15] libext2fs: fix dubious code in ext2fs_unmark_generic_bitmap() Namhyung Kim
2010-12-20 15:54 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 06/15] libext2fs: invalid EXT4_FEATURE_RO_COMPAT_HUGE_FILE checks Namhyung Kim
2010-12-20 15:55 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 07/15] libext2fs: fix error path in ext2fs_update_bb_inode() Namhyung Kim
2010-12-20 16:01 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 08/15] libext2fs: fix memory leak on error path Namhyung Kim
2010-11-30 12:23 ` Lukas Czerner
2010-12-21 23:06 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 09/15] mke2fs: check return value of e2p_os2string() Namhyung Kim
2010-12-21 23:13 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 10/15] mke2fs.8.in: add missing "big" and "huge" usage-type description Namhyung Kim
2010-12-21 23:45 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 11/15] mke2fs: fix determination of size_type Namhyung Kim
2010-11-30 12:33 ` Lukas Czerner
2010-12-01 12:37 ` Namhyung Kim
2010-12-01 15:46 ` Lukas Czerner
2010-12-21 23:45 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 12/15] mke2fs: add some error checks into PRS() Namhyung Kim
2010-11-30 12:46 ` Lukas Czerner
2010-12-01 12:03 ` Namhyung Kim
2010-12-16 9:40 ` [PATCH v2 " Namhyung Kim
2010-12-16 12:19 ` Lukas Czerner
2010-12-22 1:34 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 13/15] mke2fs: fix potential memory leak in mke2fs_setup_tdb() Namhyung Kim
2010-11-30 13:02 ` Lukas Czerner
2010-12-01 12:32 ` Namhyung Kim
2010-12-16 9:42 ` [PATCH v2 " Namhyung Kim
2010-12-16 12:21 ` Lukas Czerner
2010-11-29 8:55 ` [PATCH 14/15] libext2fs: fix possible memory leak in write_journal_inode() Namhyung Kim
2010-12-22 15:43 ` Ted Ts'o
2010-11-29 8:55 ` [PATCH 15/15] mke2fs.8.in: add ENVIRONMENT section Namhyung Kim
2010-12-22 15:43 ` Ted Ts'o
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