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2010.10.06:11:36:28
Komputronik: rośnie rola usług na rynku salonów komputerowych
Polski rynek salonów komputerowych zmienia swój charakter z typowo sprzedażowego na usługowy. W ten sposób salony wchodzą w wysokomarżowy segment gospodarki, który zajmowany był do tej pory przez wyspecjalizowane firmy. Jednocześnie zyskują nowe atuty w konkurencji z dużymi marketami elektronicznymi.

 

132626764674_536060007347Tejun Heo
There are a number of make_request based drivers which dont support cache flushes. Filter out flush bios in __generic_make_request() so that they dont have to worry about them. All FLUSH/FUA reques

 
135929794748_531960007685Nicholas A Bellinger
Hello, Jens. I added Mikes cleanup patch and Kiyoshis Tested-by and updated flush-fua branch accordingly. git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git flush-fua I guess its about re

 
171520844146_523960007779Tejun Heo
Currently __blk_rq_prep_clone() copies only REQ_WRITE and REQ_DISCARD. Theres no reason to omit other command flags and REQ_FUA needs to be copied to implement FUA support in request-based dm. REQ_C

 
130625574592_595960007814Joel Becker
I NAKd this a while back. Im willing to be convinced, but so far it remains that way. Hi Joel, Thanks for bringing this point up again. So a brief refresh on why this is currentl

 
163525924975_505060007971Tejun Heo
Remove now unused REQ_HARDBARRIER support. virtio_blk already supports REQ_FLUSH and the usefulness of REQ_FUA for virtio_blk is questionable at this point, so theres nothing else to do to support n

 
172528574646_539860007447Joel Becker
On Tue, 2010-09-07 at 15:44 -0700, Joel Becker wrote: On Tue, Sep 07, 2010 at 05:01:01PM -0400, Konrad Rzeszutek Wilk wrote: I NAKd this a while back. Im willing to be convinced, but so

 
174625764426_549360007644Tejun Heo
Unplugging from a request function doesnt really help much (its already in the request_fn) and soon block layer will be updated to mix barrier sequence with other commands, so theres no need to treat

 
117826094729_532460007984Joel Becker
On Wed, 2010-09-08 at 12:26 -0700, Joel Becker wrote: On Tue, Sep 07, 2010 at 07:08:59PM -0700, Nicholas A. Bellinger wrote: On Tue, 2010-09-07 at 15:44 -0700, Joel Becker wrote: Nick, c

 
110321544541_569560007849Joel Becker
On Fri, 2010-09-10 at 08:28 -0700, Joel Becker wrote: On Wed, Sep 08, 2010 at 01:53:27PM -0700, Nicholas A. Bellinger wrote: On Wed, 2010-09-08 at 12:26 -0700, Joel Becker wrote: So after r

 
150927484440_548360007971Jeff Layton
On Fri, 2010-09-10 at 12:44 -0700, Joel Becker wrote: On Fri, Sep 10, 2010 at 12:06:46PM -0700, Nicholas A. Bellinger wrote: On Fri, 2010-09-10 at 08:28 -0700, Joel Becker wrote: The tri

 
145425224827_509960007043Dave Chinner
I switched from 2.6.35 to 2.6.36-rc3 a few days ago and while doing so enabled lockdep. Just got the following report during normal desktop usage: ================================= [ INFO: inconsis

 
154726664619_597360007513Guenter Roeck
If a CD has both Rock Ridge and Joliet extensions and the ISO root directory is empty, no files are visible. Disable Rock Ridge extensions in this case and use Joliet root directory instead. Signed-

 
161723364121_534560007969Ondrej Zary
On Tuesday 31 August 2010 22:44:55 Guenter Roeck wrote: On Tue, 2010-08-31 at 14:10 -0400, Ondrej Zary wrote: If a CD has both Rock Ridge and Joliet extensions and the ISO root directory is

 
132927644122_587060007235Andreas Dilger
Im investigating a performance degradation in yaffs when xattribs are enabled. Yes, I know yaffs is not part of mainline Linux yet, but this is really a vfs question. What I notice is that on eve

 
171929694983_515860007781Dan Magenheimer
[PATCH V4 8/8] Cleancache: ocfs2 hook for cleancache Filesystems must explicitly enable cleancache by calling cleancache_init_fs anytime a instance of the filesystem is mounted and must save the ret

 
112929064302_595760007222Jeremy Fitzhardinge
[PATCH V4 5/8] Cleancache: ext3 hook for cleancache Filesystems must explicitly enable cleancache by calling cleancache_init_fs anytime a instance of the filesystem is mounted and must save the retu

 
200025524888_561960007046Dan Magenheimer
@@ -1349,6 +1350,7 @@ static int ext3_setup_super(struct super } else { ext3_msg(sb, KERN_INFO, "using internal journal"); } + sb- cleancache_poolid = cleancache_

 
113221424382_525460007043Jeremy Fitzhardinge
[PATCH V4 3/8] Cleancache: core ops functions and configuration Cleancache core ops functions and configuration Credits: Cleancache_ops design derived from Jeremy Fitzhardinge design for tmem; sysf

 
122228174808_534560007267Dan Magenheimer
+#ifdef CONFIG_CLEANCACHE +#define cleancache_enabled (cleancache_ops.init_fs) Pointers can be used in a boolean context, but it would probably be cleaner to have this evaluate to a pr

 
158124064235_556460007687Dan Magenheimer
On 08/30/2010 03:32 PM, Dan Magenheimer wrote: [PATCH V4 4/8] Cleancache: VFS hooks for cleancache Implement core hooks in VFS for: initializing cleancache per filesystem; capturing clean pa

 
134426944592_564760007597Dan Magenheimer
[PATCH V4 1/8] Cleancache: Documentation Add cleancache documentation to Documentation/vm and sysfs ABI documentation to Documentation/ABI Signed-off-by: Dan Magenheimer <dan.magenheimer@xxxxxxx

 
187026504149_575760007674Valerie Aurora
[PATCH V4 0/8] Cleancache: overview Changes from V3 to V4: - Rebased to 2.6.36-rc3 - Use exportfs/filehandle for unique file identification on next-gen FSs (Many thanks to Andreas Dilger for guida

 
180324004816_518560007303Aneesh Kumar KV
On Mon, Aug 30, 2010 at 05:23:12PM -0400, Valerie Aurora wrote: Documentation: Fix trivial typo in filesystems/sharedsubtree.txt This typo is easy to ignore unless you have spent a great d

 
122928774120_503760007808Tejun Heo
We should use the cached dentry operation only if caching mode is enabled Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx --- fs/9p/vfs_inode.c | 5 ++++- 1 files changed, 4

 
130428044213_553960007778Mike Snitzer
This patch converts request-based dm to support the new REQ_FLUSH/FUA. The original request-based flush implementation depended on request_queue blocking other requests while a barrier sequence is i

 
122627124471_581860007120Mike Snitzer
This patch converts request-based dm to support the new REQ_FLUSH/FUA. The original request-based flush implementation depended on request_queue blocking other requests while a barrier sequence is i

 
141522284771_556460007038Tejun Heo
Hello, On 08/30/2010 03:28 PM, Mike Snitzer wrote: + clone- cmd = rq- cmd; + clone- cmd_len = rq- cmd_len; + clone- sense = rq- sense; + clone- buffer = rq- buffer; clone- end_io =

 
123827884439_505460007093Tejun Heo
Hello, On 08/30/2010 03:28 PM, Mike Snitzer wrote: + clone- cmd = rq- cmd; + clone- cmd_len = rq- cmd_len; + clone- sense = rq- sense; + clone- buffer = rq- buffer; clone- end_io =

 
135822024971_547860007193Mike Snitzer
On Mon, Aug 30 2010 at 11:07am -0400, Tejun Heo <tj@xxxxxxxxxx wrote: On 08/30/2010 03:59 PM, Tejun Heo wrote: Ah... thats probably from "if (!elv_queue_empty(q))" check below,

 
128525444997_549960007364Mike Snitzer
On Mon, Aug 30 2010 at 11:07am -0400, Tejun Heo <tj@xxxxxxxxxx wrote: On 08/30/2010 03:59 PM, Tejun Heo wrote: Ah... thats probably from "if (!elv_queue_empty(q))" check below,

 
127623094076_574760007435Mike Snitzer
On 08/30/2010 11:28 PM, Mike Snitzer wrote: On Mon, Aug 30 2010 at 3:08pm -0400, Mike Snitzer <snitzer@xxxxxxxxxx wrote: On Mon, Aug 30 2010 at 11:07am -0400, Tejun Heo <tj@xxxxx

 
186825424663_563860007648Mike Snitzer
On 08/30/2010 11:28 PM, Mike Snitzer wrote: On Mon, Aug 30 2010 at 3:08pm -0400, Mike Snitzer <snitzer@xxxxxxxxxx wrote: On Mon, Aug 30 2010 at 11:07am -0400, Tejun Heo <tj@xxxxx

 
167723444435_511660007408Tejun Heo
Hello, On 08/31/2010 03:02 PM, Mike Snitzer wrote: On Tue, Aug 31 2010 at 6:29am -0400, Tejun Heo <tj@xxxxxxxxxx wrote: On 08/30/2010 11:28 PM, Mike Snitzer wrote: Hmm, but unfort

 
121027564611_518160007851Tejun Heo
Hello, On 08/31/2010 03:02 PM, Mike Snitzer wrote: On Tue, Aug 31 2010 at 6:29am -0400, Tejun Heo <tj@xxxxxxxxxx wrote: On 08/30/2010 11:28 PM, Mike Snitzer wrote: Hmm, but unfort

 
137525204394_537260007477Mike Snitzer
This patch converts request-based dm to support the new REQ_FLUSH/FUA. The original request-based flush implementation depended on request_queue blocking other requests while a barrier sequence is i

 
173622944787_581360007914Mike Snitzer
Hi Tejun, On 08/31/2010 12:45 AM +0900, Tejun Heo wrote: This patch converts request-based dm to support the new REQ_FLUSH/FUA. The original request-based flush implementation depended on r

 
124729104455_591060007561Tejun Heo
Hello, On 09/01/2010 09:15 AM, Kiyoshi Ueda wrote: I dont see any obvious problem on this patch. However, I hit a NULL pointer dereference below when I use a mpath device with barrier option o

 
155722244906_599360007304Tejun Heo
Hi Tejun, On 09/02/2010 10:22 PM +0900, Tejun Heo wrote: On 09/01/2010 09:15 AM, Kiyoshi Ueda wrote: @@ -2619,9 +2458,8 @@ int dm_suspend(struct mapped_device *md, up_write(&md- io_l

 
140125524060_501260007294Tejun Heo
Hi Tejun, On 09/03/2010 02:43 AM +0900, Tejun Heo wrote: rq- rq_disk and bio- bi_bdev- bd_disk may differ if a request has passed through remapping drivers. FSEQ_DATA request incorrectly foll

 
186321084815_525760007833Tejun Heo
Hi Tejun, On 09/03/2010 06:33 PM +0900, Tejun Heo wrote: On 09/03/2010 07:47 AM, Kiyoshi Ueda wrote: By the way, I had been considering a block-layer interface which remaps struct request an

 
173522154127_552160007168Tejun Heo
Hi Tejun, On 09/03/2010 08:42 PM +0900, Tejun Heo wrote: Hello, On 09/03/2010 12:28 PM, Kiyoshi Ueda wrote: Thank you for pointing it. Yes, the interface should also set rq- q. Ab

 
143422754077_589060007625Tejun Heo
On Mon, Aug 30 2010 at 5:58am -0400, Tejun Heo <tj@xxxxxxxxxx wrote: Unlike REQ_HARDBARRIER, REQ_FLUSH/FUA doesnt mandate any ordering against other bios. This patch relaxes ordering aroun

 
145127424850_535660007191Tejun Heo
Hi Tejun, On 08/30/2010 06:58 PM +0900, Tejun Heo wrote: Unlike REQ_HARDBARRIER, REQ_FLUSH/FUA doesnt mandate any ordering against other bios. This patch relaxes ordering around flushes. ...

 
166021364743_572160007476Tejun Heo
From: Christoph Hellwig <hch@xxxxxxxxxxxxx Its unused now. Signed-off-by: Christoph Hellwig <hch@xxxxxx Signed-off-by: Tejun Heo <tj@xxxxxxxxxx --- include/linux/fs.h | 3 --- 1 fil

 
101420114584_583060007063Tejun Heo
On Mon, Aug 30, 2010 at 11:58:12AM +0200, Tejun Heo wrote: Currently __blk_rq_prep_clone() copies only REQ_WRITE and REQ_DISCARD. Theres no reason to omit other command flags and REQ_FUA needs to

 
166220024279_578960007307Tejun Heo
On Mon, Aug 30 2010 at 5:58am -0400, Tejun Heo <tj@xxxxxxxxxx wrote: This patch converts bio-based dm to support REQ_FLUSH/FUA instead of now deprecated REQ_HARDBARRIER. * -EOPNOTSUPP

 
195829584582_503560007767Tejun Heo
On Wed, Sep 01 2010 at 9:50am -0400, Tejun Heo <tj@xxxxxxxxxx wrote: Hello, On 09/01/2010 03:43 PM, Mike Snitzer wrote: On Mon, Aug 30 2010 at 5:58am -0400, Tejun Heo <tj@xxx

 
166122984509_551160007243KOSAKI Motohiro
Brad Spengler published a local memory-allocation DoS that evades the OOM-killer (though not the virtual memory RLIMIT): rel="nofollow" www.grsecurity.net/~spender/64bit_dos.c www.grsecurity.ne

 
170223144379_544560007528Solar Designer
IMHO unlimited should mean unlimited. So, on that score, Id leave this constraint out and just say whatever deficiencies in the OOM killer (or in whatever should make a manifestly too-large allocati

 
192220494539_550660007807Solar Designer
IIRC, prior to that fix, I was able to cause the kernel to loop for tens of minutes in a single execve() call on an Alpha with 128 MB RAM, by using repeated mappings of the same pages (almost 2