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Move the function from cmds-filesystem.c and mkfs.c to utils.c
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
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My patch
04609add88ef8428d725de6ef60f46a3ff0dbc8e
introduced a regression where if you mkfs'ed a group of disks with different
sizes it limited the disks to the size of the first one that is specified.
This was not the intent of my patch, I only want it to limit the size based
on the -b option, so I've reworked the code to pass in a max block count and
that fixes the issue. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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During the commands:
- btrfs filesystem show
- btrfs device scan
the devices "scanned" are extracted from /proc/partitions. This
should avoid to scan devices not suitable for a btrfs filesystem like cdrom
and floppy or to scan not existant devices.
The old behavior (scan all the block devices under /dev) may be
forced passing the "--all-devices" switch.
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new version of check_mounted() returning more information gathered while
searching. check_mounted() is now a wrapper for check_mounted_where(). the
new version is needed by scrub.c
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
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Hi all,
this patch adds the command "btrfs filesystem label" to change (or show) the
label of a filesystem.
This patch is a subset of the one written previously by Morey Roof. I
included the user space part only. So it is possible only to change/show a
label of a *single device* and *unounted* filesystem.
The reason of excluding the kernel space part, is to simplify the patch in
order to speed the check and then the merging of the patch itself. In fact I
have to point out that in the past there was almost three attempts to propose
this patch, without success neither complaints.
Chris, let me know how you want to proceed. I know that you are very busy,
and you prefer to work to stabilize btrfs instead adding new feature. But I
think that changing a label is a *essential* feature for a filesystem
managing tool. Think about a mount by LABEL.
To show a label
$ btrfs filesystem label <device>
To set a label
$ btrfs filesystem label <device> <newlabel>
Please guys, give a look to the source.
Comments are welcome.
You can pull the source from the branch "label" of the repository
http://cassiopea.homelinux.net/git/btrfs-progs-unstable.git
Regards
G.Baroncelli
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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So alot of crazy people (I'm looking at you Meego) want to use btrfs on phones
and such with small devices. Unfortunately the way we split out metadata/data
chunks it makes space usage inefficient for volumes that are smaller than
1gigabyte. So add a -M option for mixing metadata+data, and default to this
mixed mode if the filesystem is less than or equal to 1 gigabyte. I've tested
this with xfstests on a 100mb filesystem and everything is a-ok.
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Check_mount() should also work with multi device filesystems.
This patch adds checks that allow to detect if a file is a device
file used by a mounted single or multi device btrfs or if it is a
regular file used by a loopback device that is part of a mounted
single or multi device btrfs.
The single device checks also work for non-btrfs filesystems.
This might be helpful to prevent users from running btrfs programs
(e.g. mkfs.btrfs) accidentally on a filesystem used somewhere else.
Signed-off-by: Andi Drebes <lists-receive@programmierforen.de>
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brfsctl -a will do nothing and no error is output
if btrfs.ko is not inserted.
Since no caller do error processing for btrfs_register_one_device,
make its return void and do error processing inside.
Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
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The main changes in this patch are adding chunk handing and data relocation
ability. In the last step of conversion, the converter relocates data in system
chunk and move chunk tree into system chunk. In the rollback process, the
converter remove chunk tree from system chunk and copy data back.
Regards
YZ
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This saves from the blunder of formatting a live mounted filesystem.
This can be extended to get the mount flags of the filesystem
mounted.
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@gmail.com>
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