... put their superblock 1 block into the partition > in order to avoid overwriting disk labels ... sun disk labels > created use an initial partition where block zero aliases the disk > ... label spamming problem for me: --- vanilla/btrfs-progs-0.12/mkfs.c 2008- ...

linux-fsdevel - David Miller - Feb 12 2008 - 04:11

... labels >> > created use an initial partition where block zero aliases the ... I figured out why every >> > btrfs make would zero out my ... only a problem with mkfs.btrfs, it clears >> out the first ... at the start of a partition.) - To unsubscribe from this list ...

linux-fsdevel - Jan Engelhardt - Feb 12 2008 - 10:00

... labels > >> > created use an initial partition where block zero aliases the ... only a problem with mkfs.btrfs, it clears > >> out the first ... the main FS. > > > >So, if Btrfs starts zeroing at 1k, will ... looks wrong here. Why would btrfs need to zero at all ...

linux-fsdevel - Chris Mason - Feb 12 2008 - 10:08

... put their superblock 1 block into the partition > > in order to avoid overwriting disk labels ... sun disk labels > > created use an initial partition where block zero aliases the disk > ... this is only a problem with mkfs.btrfs, it clears > out the first 64 4K ...

linux-fsdevel - Chris Mason - Feb 12 2008 - 09:49

... idea of btrfs trying to be smarter than a user >> who can partition up his ... >of restrictions that exist in several partition layouts such >as the Sun disk ... is gone." > >Real intuitive. > x86 MSDOS partition table layout starts counting with sector ...

linux-fsdevel - Jan Engelhardt - Feb 12 2008 - 19:42

... of btrfs trying to be smarter than a user > who can partition up his system according to > ( ... of restrictions that exist in several partition layouts such as the Sun disk ... disk, and furthermore a zero based partition is what all of the Sun ...

linux-fsdevel - David Miller - Feb 12 2008 - 19:38

... , Chris Mason wrote: >> > >> >So, if Btrfs starts zeroing at 1k, will that ... looks wrong here. Why would btrfs need to zero at all? >> ... at the start of a partition.) > >I've had requests to move ... or so) even if your partition table is as closely packed ...

linux-fsdevel - Jan Engelhardt - Feb 12 2008 - 10:21

... , Chris Mason wrote: > >> >So, if Btrfs starts zeroing at 1k, will that ... looks wrong here. Why would btrfs need to zero at all? > ... at the start of a partition.) > > > >I've had requests to move ... or so) > even if your partition table is as closely packed ...

linux-fsdevel - Chris Mason - Feb 12 2008 - 10:35

... don't like the idea of btrfs trying to be smarter than a user > who can partition up ... about super block location when they partition their disks please raise their hands ... the maximum CHS geometry (255/63), partitions begin > at 0x7e00+n*8225280 bytes ...

linux-fsdevel - Chris Mason - Feb 12 2008 - 12:17

... don't like the idea of btrfs trying to be smarter than a user > >> who can partition up ... >of restrictions that exist in several partition layouts such > >as the Sun disk ... superblock a few blocks into the partition. - To unsubscribe from this list: ...

linux-fsdevel - David Miller - Feb 12 2008 - 21:09

... SSD. I still don't like the idea of btrfs trying to be smarter than a user who can partition up his system according to (a) his ... x86. And with the maximum CHS geometry (255/63), partitions begin at 0x7e00+n*8225280 bytes, so the ...

linux-fsdevel - Jan Engelhardt - Feb 12 2008 - 11:04

... 15:00:20 +0100 (CET) > Something looks wrong here. Why would btrfs need to zero at all? So that existing superblocks on the partition won't be interpreted as correct by other filesystems. It's a safety ...

linux-fsdevel - David Miller - Feb 12 2008 - 19:28

... 15:00:20 +0100 (CET) > > > Something looks wrong here. Why would btrfs need to zero at all? > > So that existing superblocks on the partition won't > be interpreted as correct by other filesystems. It's > a safety ...

linux-fsdevel - Theodore Tso - Feb 12 2008 - 20:45

... :42, Jan Engelhardt wrote: > x86 MSDOS partition table layout starts counting with sector 1 ... . Not sure what you're saying, but the MSDOS partition table has its ... on-disk reality or anything. MS-DOS partition tables are furthermore fully outside the ...

linux-fsdevel - Rene Herman - Feb 12 2008 - 21:22

... > whitespace at the start of a partition.) You actully do unless you want to lose ... allows you to specify the start of a partition in cylinders, so if you want to use ... filesystem like XFS you have to start the partition on cylinder 1 which can be many ...

linux-fsdevel - David Miller - Feb 12 2008 - 19:26

... >> whitespace at the start of a partition.) > >You actully do unless you want to lose ... allows you to specify the start of a partition >in cylinders, so if you want to use ... like XFS you have to >start the partition on cylinder 1 which can be many blocks ...

linux-fsdevel - Jan Engelhardt - Feb 12 2008 - 19:39

... you to specify the start of a partition > in cylinders, so if you want to ... like XFS you have to > start the partition on cylinder 1 which can be many ... worth adding the complexity of sharing a partition to a filesystem. That complexity translates into ...

linux-fsdevel - Bryan Henderson - Feb 12 2008 - 21:25

From: Chris Mason Date: Tue, 12 Feb 2008 08:49:34 -0500 > So, if Btrfs starts zeroing at 1k, will that be acceptable for you? Sure. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of ...

linux-fsdevel - David Miller - Feb 12 2008 - 16:50

... like on x86. > Or I am missing something.. You cannot specify partitions on LBA boundaries on sparc, the Sun disk label specifies the partition start points in cylinders. - To unsubscribe from this list: send the line " ...

linux-fsdevel - David Miller - Feb 12 2008 - 19:34

... filesystem, maybe even some NTFS incarnation. It's just good practice to avoid the first and last "chunks" of a partition, FSVO chunk. Jeff [1] http://kernel.org/pub/linux/kernel/people/jgarzik/ibu/ - To unsubscribe from this list: send the ...

linux-fsdevel - Jeff Garzik - Feb 12 2008 - 22:10