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Message-ID: <47A10227.8080005@yahoo.de> Date: Thu, 31 Jan 2008 00:03:03 +0100 From: supersud501 <supersud501@...oo.de> To: Theodore Tso <tytso@....edu> CC: linux-ext4@...r.kernel.org Subject: Re: [PATCH, RFC] Add new "development flag" to the ext4 filesystem Theodore Tso wrote: > > You can manually set the flag using debugfs: > > # debugfs -w /dev/hdXX > debugfs: set_super_value s_flags 4 > debugfs: quit > > (Or, if you're lazy, you can also type the shorthand "ssv flags 4" to > debugfs.) > > With e2fsprogs 1.40.5, if the test_fs flag is set, then blkid will > return a filesystem type ext4dev, such that if your mount is > configured to use blkid (instead of vol_id), it will automatically use > ext4dev to mount a filesystem that has (a) a journal (since ext4 > currently requires a journal), and (b) the test_fs flag set. > > This makes it easier for people who are testing ext4, since they will > just be able to do something like: > > # mke2fs -j -E test_fs /dev/mapper/lvmset-test > # mount /dev/mapper/lvmset-test > > .. and /dev/mapper/lvmset-test will automatically be mounted using > ext4. > > - Ted thanks for your quick answer! i think i've learned something more about ext4 and those flags. - 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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