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Message-ID: <20080703065553.53c35979@gara> Date: Thu, 3 Jul 2008 06:55:53 -0500 From: "Jose R. Santos" <jrs@...ibm.com> To: Celine Bourde <celine.bourde@...l.net> Cc: linux-ext4@...r.kernel.org, cmm@...ibm.com, Frédéric Bohé <frederic.bohe@...l.net>, SOLOFO RAMANGALAHY <Solofo.Ramangalahy@...l.net>, Jean-Pierre Dion <jean-pierre.dion@...l.net> Subject: Re: [PATCH][e2fsprogs][mke2fs] fix FLEX_BG offset On Thu, 03 Jul 2008 10:21:02 +0200 Celine Bourde <celine.bourde@...l.net> wrote: > This patch resolves the offset problem of the flex_bg > option when you use mke2fs tool. > > For example, if you type mkfs.ext4 -I256 -O flex_bg -G32 -E test_fs <device> > and look dumpe2fs <device> result you will see an offset problem. > > Group 0: (Blocks 0-32767) > Primary superblock at 0, Group descriptors at 1-5 > Reserved GDT blocks at 6-1024 > Block bitmap at 1025 (+1025), Inode bitmap at 1058 (+1058) > Inode table at 1090-1601 (+1090) > 0 free blocks, 8181 free inodes, 2 directories > Free blocks: > Free inodes: 12-8192 > > Inode bitmap must start at 1025 + 32 = 1057 > In all flexbg groups, the block between the last block bitmap and the > first inode > bitmap (metatdata) is not used, which introduced a hole. > > This patch corrects it. > You have to apply it on e2fsprogs (mke2fs 1.41-WIP (17-Jun-2008)) master > branch. > > Celine Bourde. Acked-by: Jose R. Santos <jrs@...ibm.com> -JRS -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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