Re: Feature request: Tuneable zlib compression level

2017-06-19 Thread Anand Jain
Thanks! for suggesting Jason. More below. On 06/19/2017 07:15 AM, Jason Detring wrote: Hello list, I'd like to request a new feature: make zlib compression level a tuneable. The general use-case is a device where CPU cycles are "cheap enough", but backing storage is expensive or difficult-to

Help on using linux-btrfs mailing list please

2017-06-19 Thread Jesse
I have subscribed successfully and am able to post successfully and eventually view the post on spinics.net when it becomes available: eg: http://www.spinics.net/lists/linux-btrfs/msg66605.html However I do not know how to reply to messages, especially my own to add more information, such as a cal

Re: [PATCH 0/6] add sanity check for extent inline ref type

2017-06-19 Thread Ivan Sizov
2017-06-02 1:57 GMT+03:00 Liu Bo : > On Thu, Jun 01, 2017 at 11:26:26PM +0300, Ivan Sizov wrote: >> 2017-06-01 20:35 GMT+03:00 Liu Bo : >> > After I went through the output of leaf's content, most parts of the >> > leaf is sane except the two corrupted items, it's still not clear to >> > me what ca

Re: Please help. Repair probably bitflip damage and suspected bug

2017-06-19 Thread Jesse
Further to the above message reporting problems, I have been able to capture a call trace under the main system rather than live media. Note this occurred in rsync from btrfs to a separate drive running xfs on a local filesystem (both sata drives). So I presume that btrfs is only reading the drive

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Ivan Sizov
You should reply both to linux-btrfs@vger.kernel.org and the person whom you talk to. 2017-06-19 11:37 GMT+03:00 Jesse : > I have subscribed successfully and am able to post successfully and > eventually view the post on spinics.net when it becomes available: > eg: http://www.spinics.net/lists/lin

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Jesse
Ok thanks Ivan. So I guess that means when I initiate a post, I also need to send it to myself as well as the mail list. Does it make any difference where I put respective addresses, eg: TO: CC: BCC: Regards Jesse On 19 June 2017 at 17:20, Ivan Sizov wrote: > You should reply both to linux-btr

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Ivan Sizov
2017-06-19 12:32 GMT+03:00 Jesse : > So I guess that means when I initiate a post, I also need to send it > to myself as well as the mail list. You need to do it in the reply only, not in the initial post. > Does it make any difference where I put respective addresses, eg: TO: CC: BCC: You need to

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Jesse
Thanks Ivan. What about when initiating a post, do I do the same eg: TO: myself CC: mailing list or do I TO: mailing list CC: myself TIA On 19 June 2017 at 17:48, Ivan Sizov wrote: > 2017-06-19 12:32 GMT+03:00 Jesse : >> So I guess that means when I initiate a post, I also need to send it >> to

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Ivan Sizov
2017-06-19 13:03 GMT+03:00 Jesse : > Thanks Ivan. > What about when initiating a post, do I do the same eg: > TO: myself > CC: mailing list > > or do I > TO: mailing list > CC: myself When initiating a post you should to specify "TO: mailing list" only, without any other addresses. At least I used

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Ivan Sizov
2017-06-19 13:03 GMT+03:00 Jesse : > Thanks Ivan. > What about when initiating a post, do I do the same eg: > TO: myself > CC: mailing list > > or do I > TO: mailing list > CC: myself If your mail client doesn't have "sent" folder, you can, of course, follow one of these examples. But I didn't face

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Ivan Sizov
2017-06-19 13:15 GMT+03:00 Jesse : > Thanks again. So am I to understand that you go into your 'sent' > folder, find a mail to the mail list (that is not CC to yourself), > then you reply to this and add the mail list when you need to update > your own post that no-one has yet replied to? Yes, exac

Re: [PATCH V21 00/19] Allow I/O on blocks whose size is less than page size

2017-06-19 Thread Chandan Rajendra
On Sunday, October 2, 2016 6:54:09 PM IST Chandan Rajendra wrote: > Btrfs assumes block size to be the same as the machine's page > size. This would mean that a Btrfs instance created on a 4k page size > machine (e.g. x86) will not be mountable on machines with larger page > sizes (e.g. PPC64/AARCH

Re: Please help. Repair probably bitflip damage and suspected bug

2017-06-19 Thread Jesse
I just noticed a series of seemingly btrfs related call traces that for the first time, did not lock up the system. I have uploaded dmesg to https://paste.ee/p/An8Qy Anyone able to help advise on these? Thanks Jesse On 19 June 2017 at 17:19, Jesse wrote: > Further to the above message report

[PATCH] btrfs: use new block error code

2017-06-19 Thread Dan Carpenter
This function is supposed to return blk_status_t error codes now but there was a stray -ENOMEM left behind. Fixes: 4e4cbee93d56 ("block: switch bios to blk_status_t") Signed-off-by: Dan Carpenter diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index e536e98fe351..2c0b7b57fcd5 100644

Re: [PATCH 1/2] btrfs-progs: Fix false alert about EXTENT_DATA shouldn't be hole

2017-06-19 Thread Henk Slager
On 16-06-17 03:43, Qu Wenruo wrote: > Since incompat feature NO_HOLES still allow us to have explicit hole > file extent, current check is too restrict and will cause false alert > like: > > root 5 EXTENT_DATA[257, 0] shouldn't be hole > > Fix it by removing the restrict hole file extent check. > >

Re: [PATCH 01/35] fscache: Remove unused ->now_uncached callback

2017-06-19 Thread Jan Kara
On Thu 01-06-17 13:34:34, Jan Kara wrote: > On Thu 01-06-17 11:26:08, David Howells wrote: > > Jan Kara wrote: > > > > > The callback doesn't ever get called. Remove it. > > > > Hmmm... I should perhaps be calling this. I'm not sure why I never did. > > > > At the moment, it doesn't strictly

Re: csum failed root -9

2017-06-19 Thread Henk Slager
On Thu, Jun 15, 2017 at 9:13 AM, Qu Wenruo wrote: > > > At 06/14/2017 09:39 PM, Henk Slager wrote: >> >> On Tue, Jun 13, 2017 at 12:47 PM, Henk Slager wrote: >>> >>> On Tue, Jun 13, 2017 at 7:24 AM, Kai Krakow wrote: Am Mon, 12 Jun 2017 11:00:31 +0200 schrieb Henk Slager : >>

Re: csum failed root -9

2017-06-19 Thread Henk Slager
>> I think I leave it as is for the time being, unless there is some news >> how to fix things with low risk (or maybe via a temp overlay snapshot >> with DM). But the lowmem check took 2 days, that's not really fun. >> The goal for the 8TB fs is to have an up to 7 year snapshot history at >> somet

Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Adam Borowski
On Mon, Jun 19, 2017 at 12:48:54PM +0300, Ivan Sizov wrote: > 2017-06-19 12:32 GMT+03:00 Jesse : > > So I guess that means when I initiate a post, I also need to send it > > to myself as well as the mail list. > You need to do it in the reply only, not in the initial post. > > > Does it make any d

Re: [PATCH v7 00/22] fs: enhanced writeback error reporting with errseq_t (pile #1)

2017-06-19 Thread Jeff Layton
On Fri, 2017-06-16 at 15:34 -0400, Jeff Layton wrote: > v7: > === > This is the seventh posting of the patchset to revamp the way writeback > errors are tracked and reported. > > The main difference from the v6 posting is the removal of the > FS_WB_ERRSEQ flag. That requires a few other incrementa

Re: [PATCH v2 0/2] Ensure size values are rounded down

2017-06-19 Thread David Sterba
On Fri, Jun 16, 2017 at 02:39:18PM +0300, Nikolay Borisov wrote: > Hello, > > Here is a small series which fixes an issue that got reported internally to > Suse and which affects devices whose size is not multiple of sectorsize. More > information can be found in the changelog for patch 2 > > T

Re: [PATCH v7 15/22] dax: set errors in mapping when writeback fails

2017-06-19 Thread Ross Zwisler
On Sat, Jun 17, 2017 at 08:39:53AM -0400, Jeff Layton wrote: > On Fri, 2017-06-16 at 15:34 -0400, Jeff Layton wrote: > > Jan Kara's description for this patch is much better than mine, so I'm > > quoting it verbatim here: > > > > DAX currently doesn't set errors in the mapping when cache flushing

RFC: Compression - calculate entropy for data set

2017-06-19 Thread Timofey Titovets
Hi, for last several days i try work on entropy calculation that can be usable in btrfs compression code (for detect bad compressible data), I've implemented: - avg meaning (Problems with accuracy) - shannon entropy - shannon entropy with only integer logic (Accuracy compared to float shannon +-0.

Re: [PATCH v7 00/22] fs: enhanced writeback error reporting with errseq_t (pile #1)

2017-06-19 Thread Stephen Rothwell
Hi Jeff, On Mon, 19 Jun 2017 12:23:46 -0400 Jeff Layton wrote: > > If there are no major objections to this set, I'd like to have > linux-next start picking it up to get some wider testing. What's the > right vehicle for this, given that it touches stuff all over the tree? > > I can see 3 potent

Re: Reply Urgent

2017-06-19 Thread INFO
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Re: Help on using linux-btrfs mailing list please

2017-06-19 Thread Jesse
Thanks Мяу! I will ensure I reply all :) On 19 June 2017 at 23:38, Adam Borowski wrote: > On Mon, Jun 19, 2017 at 12:48:54PM +0300, Ivan Sizov wrote: >> 2017-06-19 12:32 GMT+03:00 Jesse : >> > So I guess that means when I initiate a post, I also need to send it >> > to myself as well as the mail

Re: [PATCH] btrfs: move fs_info::fs_frozen to the flags

2017-06-19 Thread Nikolay Borisov
On 15.06.2017 20:10, David Sterba wrote: > We can keep the state among the other fs_info flags, there's no reason > why fs_frozen would need to be separate. > > Signed-off-by: David Sterba Reviewed-by: Nikolay Borisov -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" i

Re: [PATCH] btrfs: cleanup duplicate return value in insert_inline_extent

2017-06-19 Thread Nikolay Borisov
On 15.06.2017 20:09, David Sterba wrote: > The pattern when err is used for function exit and ret is used for > return values of callees is not used here. > > Signed-off-by: David Sterba Reviewed-by: Nikolay Borisov -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in