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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.

 

146327164127_500360007609Jan Blunck
I think it is wrong to unconditionally take the lock before calling atomic_dec_and_test() in _atomic_dec_and_lock(). This will deadlock in situation where it is known that the counter will now reach

 
192829634622_524860007438Jan Blunck
Creates the proper struct union_mount when mounting something into a union. If the topmost filesystem isnt capable of handling the white-out filetype it could only be mount read-only. Signed-off-by:

 
187627864902_596060007736Jan Blunck
From: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx Add support for fallthru entries to tmpfs. Signed-off-by: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx --- fs/dcache.c | 4 ++- fs/libfs

 
199822454711_561560007283Jan Blunck
Honor the S_OPAQUE flag in the union path lookup. Signed-off-by: Jan Blunck <jblunck@xxxxxxx Signed-off-by: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx --- fs/namei.c | 17 ++++++++++++++-

 
103326814610_571460007382Jan Blunck
Add per mountpoint flag for Union Mount support. You need additional patches to util-linux for that to work - see: git://git.kernel.org/pub/scm/utils/util-linux-ng/val/util-linux-ng.git Signed-off-

 
139924744098_552760007787Jan Blunck
This patch changes real_lookup() into returning a struct path. Signed-off-by: Jan Blunck <jblunck@xxxxxxx Signed-off-by: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx --- fs/namei.c | 82 ++

 
113524054749_575860007536Jan Blunck
Simply white-out a given directory entry. This functionality is usually used in the sense of unlink. Therefore the given dentry can still be in-use and contains an in-use inode. The filesystems inode

 
119525294322_509660007019Jan Blunck
Add some additional checks when mounting something into an union. Signed-off-by: Jan Blunck <jblunck@xxxxxxx Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx Signed-off-by: Valerie Aurora (He

 
183324864265_554360007875Jan Blunck
From: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx Define the fallthru dcache flag and file system op. Signed-off-by: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx --- include/linux/dcache.h

 
182721344555_543660007566Jan Blunck
From: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx Define the fallthru dcache flag and file system op. Signed-off-by: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx --- include/linux/dcache.h

 
181922474039_591860007518Jan Blunck
This patch adds support for whiteouts to tmpfs. Signed-off-by: Jan Blunck <jblunck@xxxxxxx Signed-off-by: David Woodhouse <dwmw2@xxxxxxxxxxxxx Signed-off-by: Valerie Aurora (Henson) <vaur

 
170429114923_545360007576Jan Blunck
This patch adds support for whiteouts to tmpfs. Signed-off-by: Jan Blunck <jblunck@xxxxxxx Signed-off-by: David Woodhouse <dwmw2@xxxxxxxxxxxxx Signed-off-by: Valerie Aurora (Henson) <vaur

 
198928644105_531160007594Jan Blunck
The userspace isnt ready for handling another filetype. Therefore this patch lets readdir() and others skip over the whiteout directory entries they might find. Signed-off-by: Jan Blunck <j.blunc

 
133027934080_559660007181Jan Blunck
The userspace isnt ready for handling another filetype. Therefore this patch lets readdir() and others skip over the whiteout directory entries they might find. Signed-off-by: Jan Blunck <j.blunc

 
147021624316_502460007164Jan Blunck
Break early when somebody tries to rehash an already hashed dentry. Otherwise this leads to interesting corruptions in the dcache hash table later on. Signed-off-by: Jan Blunck <jblunck@xxxxxxx

 
159124174412_563160007186Jan Blunck
Break early when somebody tries to rehash an already hashed dentry. Otherwise this leads to interesting corruptions in the dcache hash table later on. Signed-off-by: Jan Blunck <jblunck@xxxxxxx

 
114820374096_507160007764Arnd Bergmann
Jan Blunck: +Rename across different levels of the union is implemented as a copy-up +operation for regular files. Rename of directories simply returns EXDEV, the +same as if we tried to renam

 
164724804628_575360007588Arnd Bergmann
Jan Blunck: +Rename across different levels of the union is implemented as a copy-up +operation for regular files. Rename of directories simply returns EXDEV, the +same as if we tried to renam

 
134621214380_542760007716Valerie Aurora
Arnd Bergmann: Right, but that is consistent with how the kernel would treat a rename from one mount point to another, and tools like mv can handle this in user space. Yes, that is the descri

 
160921874878_592560007476Valerie Aurora
Arnd Bergmann: Right, but that is consistent with how the kernel would treat a rename from one mount point to another, and tools like mv can handle this in user space. Yes, that is the descri

 
108928034893_550160007226Valerie Aurora
Valerie Aurora: Ah, we did implement that in an earlier version. I dont know if we dropped the patch by accident or on purpose, but the original version is below. We will either put this fea

 
168825824264_578460007755Valerie Aurora
Valerie Aurora: Ah, we did implement that in an earlier version. I dont know if we dropped the patch by accident or on purpose, but the original version is below. We will either put this fea

 
154823004234_517560007024Valerie Aurora
On May 18, 2009 16:40 -0400, Valerie Aurora wrote: @@ -705,8 +707,9 @@ struct ext2_dir_entry_2 { #define EXT2_FT_FIFO 5 #define EXT2_FT_SOCK 6 #define EXT2_FT_SYMLINK 7 +#define EXT2

 
176323994145_514360007863Valerie Aurora
On May 18, 2009 16:40 -0400, Valerie Aurora wrote: @@ -705,8 +707,9 @@ struct ext2_dir_entry_2 { #define EXT2_FT_FIFO 5 #define EXT2_FT_SOCK 6 #define EXT2_FT_SYMLINK 7 +#define EXT2

 
185924344049_573760007261Jan Blunck
On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Traditionally the mount operation is opaque, which means that the content of the moun

 
121224484064_510460007498Jan Blunck
On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Traditionally the mount operation is opaque, which means that the content of the moun

 
133026364079_559460007733Jan Blunck
On Tue, 19 May 2009, Jan Blunck wrote: The directory in the topmost filesystem is created during lookup. The contents of the directory isnt copied up presistently at that point in time. Therefo

 
134929694033_558360007085Jan Blunck
On Tue, 19 May 2009, Jan Blunck wrote: The directory in the topmost filesystem is created during lookup. The contents of the directory isnt copied up presistently at that point in time. Therefo

 
160729084484_575360007310Jan Blunck
On Tuesday 19 May 2009, Jan Blunck wrote: So this means that the topmost branch always needs to be writable, right?  It isnt possible to make a union of two iso9660 filesystems, for

 
161529104745_566460007103Jan Blunck
On Tuesday 19 May 2009, Jan Blunck wrote: So this means that the topmost branch always needs to be writable, right?  It isnt possible to make a union of two iso9660 filesystems, for

 
192628594551_599060007500Jan Blunck
On Tuesday 19 May 2009, Jan Blunck wrote: On Tue, May 19, Arnd Bergmann wrote: This would work, but youd have to do this for each file system if you want to be able to use it as the top of

 
148722934136_556760007556Miklos Szeredi
On Tue, May 19, 2009 at 11:48:00AM +0200, Miklos Szeredi wrote: On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Traditionally t

 
130022364525_533360007669Miklos Szeredi
On Wed, May 20, 2009 at 11:05:27AM +0200, Miklos Szeredi wrote: On Tue, 19 May 2009, Valerie Aurora wrote: As Jan said, readdir() of read-only unioned file systems works with a tmpfs top la

 
141924274577_590460007628Jan Blunck
On Tuesday 19 May 2009, Jan Blunck wrote: On Tue, May 19, Arnd Bergmann wrote: This would work, but youd have to do this for each file system if you want to be able to use it as the top of

 
121327944537_595860007183Valerie Aurora
On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Is there any chance this will support NFS? I can union-mount tmpfs over nfs mounted fs, bu

 
106123834041_561260007004Miklos Szeredi
On Tue, May 19, 2009 at 11:48:00AM +0200, Miklos Szeredi wrote: On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Traditionally t

 
111228604298_524860007186Valerie Aurora
On Mon, 08 Jun 2009, Valerie Aurora wrote: On Thu, May 21, 2009 at 02:54:19PM +0200, Jan Rekorajski wrote: On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS bas

 
180527284422_532960007242Miklos Szeredi
On Wed, May 20, 2009 at 11:05:27AM +0200, Miklos Szeredi wrote: On Tue, 19 May 2009, Valerie Aurora wrote: As Jan said, readdir() of read-only unioned file systems works with a tmpfs top la

 
199924794669_557560007848Valerie Aurora
On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Is there any chance this will support NFS? I can union-mount tmpfs over nfs mounted fs, bu

 
120225964642_574060007099Valerie Aurora
On Mon, 08 Jun 2009, Valerie Aurora wrote: On Tue, Jun 09, 2009 at 12:44:06AM +0200, Jan Rekorajski wrote: On Mon, 08 Jun 2009, Valerie Aurora wrote: Youll get -EBUSY on the second

 
192326154482_596560007855Valerie Aurora
On Mon, 08 Jun 2009, Valerie Aurora wrote: On Thu, May 21, 2009 at 02:54:19PM +0200, Jan Rekorajski wrote: On Mon, 18 May 2009, Jan Blunck wrote: Here is another post of the VFS bas

 
197023394715_526760007141Valerie Aurora
On Mon, 2009-05-18 at 18:08 +0200, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Awesome work, this may just get us out of a tight spot with our LiveCD. A

 
145323924870_587660007930Valerie Aurora
On Mon, 08 Jun 2009, Valerie Aurora wrote: On Tue, Jun 09, 2009 at 12:44:06AM +0200, Jan Rekorajski wrote: On Mon, 08 Jun 2009, Valerie Aurora wrote: Youll get -EBUSY on the second

 
111827194409_578760007792Jens Axboe
Hi, This is the fourth version of this patchset. Chances since v3: - Dropped a prep patch, it has been included in mainline since. - Add a work-to-do list to the bdi. This is struct bdi_work. Each

 
163424974388_527560007943Jens Axboe
btrfs puts dirty inodes on there, so it must register a thread to handle them. Also fixes failure to check bdi_init() return value, and bad inherit of - capabilities flags from the default bdi. Sign

 
137521594557_585760007785Valerie Aurora
On Mon, 2009-05-18 at 18:08 +0200, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Awesome work, this may just get us out of a tight spot with our LiveCD. A

 
171120934124_542660007712Jens Axboe
Also a debugging aid. We want to catch dirty inodes being added to backing devices that dont do writeback. Signed-off-by: Jens Axboe <jens.axboe@xxxxxxxxxx --- fs/fs-writeback.c |

 
156828154103_543760007825Jens Axboe
Hi, This is the fourth version of this patchset. Chances since v3: - Dropped a prep patch, it has been included in mainline since. - Add a work-to-do list to the bdi. This is struct bdi_work. Each

 
136628094544_577660007838Jens Axboe
Not meant for inclusion, just to monitor what is going on while testing this stuff. Signed-off-by: Jens Axboe <jens.axboe@xxxxxxxxxx --- mm/backing-dev.c | 43 ++++++++++++++++++++++++++++++++

 
156822304335_595660007571Jens Axboe
btrfs puts dirty inodes on there, so it must register a thread to handle them. Also fixes failure to check bdi_init() return value, and bad inherit of - capabilities flags from the default bdi. Sign

 

 

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