On Wed, Apr 07, 2010 at 05:44:20PM -0700, Harshavardhana wrote:
Hi Everyone,
Recently i created a snapshot of an existing volume which had
some amount of data.
Now that after creating the snapshot i have tried deleting the
same snapshot. But i am
getting ENOTEMPTY for
On Tue, Apr 06, 2010 at 05:08:12PM +, yoost...@netzero.com wrote:
Background:
Was checking E-mail and browsing the internet when suddenly Pidgin crashed
out. I thought that was pretty weird so I went to go re-start Pidgin when I
noticed the machine hang really hard for about 30 seconds.
On 03/30/2010 03:56 PM, Chris Mason wrote:
On Sun, Mar 28, 2010 at 05:18:03PM +0200, Diego Calleja wrote:
Hi, I'm using KVM, and the virtual disk (a 20 GB file using the raw
qemu format according to virt-manager and, of course, placed on a btrfs
filesystem, running the latest mainline git)
Avi Kivity wrote:
On 03/30/2010 03:56 PM, Chris Mason wrote:
On Sun, Mar 28, 2010 at 05:18:03PM +0200, Diego Calleja wrote:
Hi, I'm using KVM, and the virtual disk (a 20 GB file using the raw
qemu format according to virt-manager and, of course, placed on a btrfs
filesystem, running the
On Thu, Apr 08, 2010 at 05:58:17PM +0300, Avi Kivity wrote:
On 03/30/2010 03:56 PM, Chris Mason wrote:
On Sun, Mar 28, 2010 at 05:18:03PM +0200, Diego Calleja wrote:
Hi, I'm using KVM, and the virtual disk (a 20 GB file using the raw
qemu format according to virt-manager and, of course, placed
On 04/08/2010 06:26 PM, Chris Mason wrote:
Once the O_DIRECT read patch is in, you can switch to that, or tell qemu
to use a writeback cache instead.
Even with writeback qemu will issue a lot of fsyncs.
Oh, I didn't see that when I was testing, when does it fsync?
When it
On Thu, Apr 08, 2010 at 11:26:15AM -0400, Chris Mason wrote:
With O_DIRECT the writeback rates are very reasonable. I'll work up a
way to pass the barrier down from the guest to btrfs to force logging of
updated metadata when required.
Barriers are implemented in the guest kernel using queue
On Thu, Apr 08, 2010 at 06:28:54PM +0300, Avi Kivity wrote:
On 04/08/2010 06:26 PM, Chris Mason wrote:
Once the O_DIRECT read patch is in, you can switch to that, or tell qemu
to use a writeback cache instead.
Even with writeback qemu will issue a lot of fsyncs.
Oh, I didn't see that when I
On Thu, Apr 08, 2010 at 06:28:54PM +0300, Avi Kivity wrote:
When it updates qcow2 metadata or when the guest issues a barrier. It's
relatively new. I have a patch that introduces cache=volatile somewhere.
qcow2 does not issues any fsyncs by itself, it only passes throught the
guests ones.
On 04/08/2010 06:34 PM, Christoph Hellwig wrote:
On Thu, Apr 08, 2010 at 06:28:54PM +0300, Avi Kivity wrote:
When it updates qcow2 metadata or when the guest issues a barrier. It's
relatively new. I have a patch that introduces cache=volatile somewhere.
qcow2 does not issues any
On Thu, Apr 08, 2010 at 06:36:15PM +0300, Avi Kivity wrote:
Shouldn't it do that then? What's the point of fsyncing guest data if
qcow2 metadata is volatile?
Not my territory - but in the end getting qcow2 as-is solid in face
of crashes will be an uphill battel - I'd rather recommend not
Unfortunately I did reformat.
Actually, I did a complete zero-out of the drive with dd, and then I ran
badblocks -w on the drive, which returned 0 bad blocks (not sure if this is
really a good test for SSD's as there's some amount of internal voo-doo on the
drive itself).
For future reference,
rmdir on subvolumes and snapshots should return EPERM
rather than ENOTEMPTY. Just to be more descriptive.
Signed-off-by: Harshavardhana har...@gluster.com
---
fs/btrfs/inode.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index
On 04/08/2010 06:52 AM, Chris Mason wrote:
But either in that case too returning ENOTEMPTY does confuse a
user a lot. Isn't it valid
just by returning EPERM will explain a lot to users saying that
this is a snapshot of a
subvolume or a parent subvolume which is not
I've just got this bug in the latest 2.6.34-rc3-00388 kernel.
I wasn't doing anything fancy, just doing some 'git log' in a small wmaker
repo I have here. After I got this bug the cpu went to 100% and I had to
reboot with the button because the laptop was not responding to any commands
(but the
On 04/08/2010 03:07 PM, David Brown wrote:
On Thu, Apr 08, 2010 at 01:35:31PM -0700, Harshavardhana wrote:
if (inode-i_size BTRFS_EMPTY_DIR_SIZE ||
inode-i_ino == BTRFS_FIRST_FREE_OBJECTID)
-return -ENOTEMPTY;
+return -EPERM;
Don't you want to still return
Break the conditional to return EPERM for subvolumes,snapshots and
ENOTEMPTY for normal directories with files.
Signed-off-by: Harshavardhana har...@gluster.com
---
fs/btrfs/inode.c |8 +---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/inode.c
On Thu, Apr 08, 2010 at 08:51:42AM -0700, David Brown wrote:
I am developing backup software (http://github.com/d3zd3z/jpool for
the curious), and have been doing some testing with btrfs.
Jpool currently uses the blkid database to map between device numbers
(st_rdev) and the uuid of a
On Fri, Apr 9, 2010 at 6:23 AM, Carlos R. Mafra crmaf...@gmail.com wrote:
I've just got this bug in the latest 2.6.34-rc3-00388 kernel.
I wasn't doing anything fancy, just doing some 'git log' in a small wmaker
repo I have here. After I got this bug the cpu went to 100% and I had to
reboot
Joshua,
Contact me at the email address below for a catalog of all our USA lists.
Also, this week we are offering reduced costs for more than one list.
Regards,
Royal Giles
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