Re: [BUG][ext2] XIP does not work on ext2

2013-11-11 Thread Jan Kara
On Fri 08-11-13 16:28:15, Andiry Xu wrote: > On Thu, Nov 7, 2013 at 2:45 PM, Andiry Xu wrote: > > On Thu, Nov 7, 2013 at 2:20 PM, Jan Kara wrote: > >> On Thu 07-11-13 13:50:09, Andiry Xu wrote: > >>> On Thu, Nov 7, 2013 at 1:07 PM, Jan Kara wrote: > >>> > On Thu 07-11-13 12:14:13, Andiry Xu wrot

Re: [BUG][ext2] XIP does not work on ext2

2013-11-08 Thread Andiry Xu
On Thu, Nov 7, 2013 at 2:45 PM, Andiry Xu wrote: > On Thu, Nov 7, 2013 at 2:20 PM, Jan Kara wrote: >> On Thu 07-11-13 13:50:09, Andiry Xu wrote: >>> On Thu, Nov 7, 2013 at 1:07 PM, Jan Kara wrote: >>> > On Thu 07-11-13 12:14:13, Andiry Xu wrote: >>> >> On Wed, Nov 6, 2013 at 1:18 PM, Jan Kara w

Re: [BUG][ext2] XIP does not work on ext2

2013-11-07 Thread Andiry Xu
On Thu, Nov 7, 2013 at 2:20 PM, Jan Kara wrote: > On Thu 07-11-13 13:50:09, Andiry Xu wrote: >> On Thu, Nov 7, 2013 at 1:07 PM, Jan Kara wrote: >> > On Thu 07-11-13 12:14:13, Andiry Xu wrote: >> >> On Wed, Nov 6, 2013 at 1:18 PM, Jan Kara wrote: >> >> > On Tue 05-11-13 17:28:35, Andiry Xu wrote:

Re: [BUG][ext2] XIP does not work on ext2

2013-11-07 Thread Jan Kara
On Thu 07-11-13 13:50:09, Andiry Xu wrote: > On Thu, Nov 7, 2013 at 1:07 PM, Jan Kara wrote: > > On Thu 07-11-13 12:14:13, Andiry Xu wrote: > >> On Wed, Nov 6, 2013 at 1:18 PM, Jan Kara wrote: > >> > On Tue 05-11-13 17:28:35, Andiry Xu wrote: > >> >> >> Do you know the reason why write() outperfo

Re: [BUG][ext2] XIP does not work on ext2

2013-11-07 Thread Andiry Xu
On Thu, Nov 7, 2013 at 1:07 PM, Jan Kara wrote: > On Thu 07-11-13 12:14:13, Andiry Xu wrote: >> On Wed, Nov 6, 2013 at 1:18 PM, Jan Kara wrote: >> > On Tue 05-11-13 17:28:35, Andiry Xu wrote: >> >> >> Do you know the reason why write() outperforms mmap() in some cases? I >> >> >> know it's not re

Re: [BUG][ext2] XIP does not work on ext2

2013-11-07 Thread Jan Kara
On Thu 07-11-13 12:14:13, Andiry Xu wrote: > On Wed, Nov 6, 2013 at 1:18 PM, Jan Kara wrote: > > On Tue 05-11-13 17:28:35, Andiry Xu wrote: > >> >> Do you know the reason why write() outperforms mmap() in some cases? I > >> >> know it's not related the thread but I really appreciate if you can > >

Re: [BUG][ext2] XIP does not work on ext2

2013-11-07 Thread Andiry Xu
On Wed, Nov 6, 2013 at 1:18 PM, Jan Kara wrote: > On Tue 05-11-13 17:28:35, Andiry Xu wrote: >> Hi, >> >> On Tue, Nov 5, 2013 at 6:32 AM, Jan Kara wrote: >> > Hello, >> > >> > On Mon 04-11-13 18:37:40, Andiry Xu wrote: >> >> On Mon, Nov 4, 2013 at 4:37 PM, Jan Kara wrote: >> >> > Hello, >> >

Re: [BUG][ext2] XIP does not work on ext2

2013-11-06 Thread Jan Kara
On Tue 05-11-13 17:28:35, Andiry Xu wrote: > Hi, > > On Tue, Nov 5, 2013 at 6:32 AM, Jan Kara wrote: > > Hello, > > > > On Mon 04-11-13 18:37:40, Andiry Xu wrote: > >> On Mon, Nov 4, 2013 at 4:37 PM, Jan Kara wrote: > >> > Hello, > >> > > >> > On Mon 04-11-13 14:31:34, Andiry Xu wrote: > >>

Re: [BUG][ext2] XIP does not work on ext2

2013-11-05 Thread Andiry Xu
Hi, On Tue, Nov 5, 2013 at 6:32 AM, Jan Kara wrote: > Hello, > > On Mon 04-11-13 18:37:40, Andiry Xu wrote: >> On Mon, Nov 4, 2013 at 4:37 PM, Jan Kara wrote: >> > Hello, >> > >> > On Mon 04-11-13 14:31:34, Andiry Xu wrote: >> >> When I'm trying XIP on ext2, I find that xip does not work on

Re: [BUG][ext2] XIP does not work on ext2

2013-11-05 Thread Jan Kara
Hello, On Mon 04-11-13 18:37:40, Andiry Xu wrote: > On Mon, Nov 4, 2013 at 4:37 PM, Jan Kara wrote: > > Hello, > > > > On Mon 04-11-13 14:31:34, Andiry Xu wrote: > >> When I'm trying XIP on ext2, I find that xip does not work on ext2 > >> with latest kernel. > >> > >> Reproduce steps: > >> Co

Re: [BUG][ext2] XIP does not work on ext2

2013-11-04 Thread Andiry Xu
Hi Jan, On Mon, Nov 4, 2013 at 4:37 PM, Jan Kara wrote: > Hello, > > On Mon 04-11-13 14:31:34, Andiry Xu wrote: >> When I'm trying XIP on ext2, I find that xip does not work on ext2 >> with latest kernel. >> >> Reproduce steps: >> Compile kernel with following configs: >> CONFIG_BLK_DEV_XIP=y >

Re: [BUG][ext2] XIP does not work on ext2

2013-11-04 Thread Jan Kara
Hello, On Mon 04-11-13 14:31:34, Andiry Xu wrote: > When I'm trying XIP on ext2, I find that xip does not work on ext2 > with latest kernel. > > Reproduce steps: > Compile kernel with following configs: > CONFIG_BLK_DEV_XIP=y > CONFIG_EXT2_FS_XIP=y > > And run following commands: > # mke2fs -b

[BUG][ext2] XIP does not work on ext2

2013-11-04 Thread Andiry Xu
Hi, When I'm trying XIP on ext2, I find that xip does not work on ext2 with latest kernel. Reproduce steps: Compile kernel with following configs: CONFIG_BLK_DEV_XIP=y CONFIG_EXT2_FS_XIP=y And run following commands: # mke2fs -b 4096 /dev/ram0 # mount -t ext2 -o xip /dev/ram0 /mnt/ramdisk/ # dd