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Length and alignment in scsi_execute_async and blk_rq_map_user
Hello, Question for linux-scsi: In kernel 2.6.26, the implementation of __blk_rq_map_user changed and now includes a call to bio_copy_user: uaddr = (unsigned long) ubuf; alignment = queue_dma_alignment(q) | q->dma_pad_mask; if (!(uaddr & alignment) && !(len & alignment)) bio = bio_map_user(q, NULL, uaddr, l... 29 Jun 2010 17:24
Extended file stat functions
On Tue, 2010-06-29 at 21:02 +0100, David Howells wrote: Implement a pair of new system calls to provide extended and further extensible stat functions. The third of the associated patches provides these new system calls: struct xstat_dev { unsigned int major; unsigned int minor; }; ... 29 Jun 2010 19:37
Race in wb_do_writeback() ???
Chistoph, I am seeing slabcache corruption. wb_do_writeback() calls wb_clear_pending() which can queue up the freeing of the bdi_work. Then it calls wb_writeback() which can block, resulting in using the bdi_work after its freed. ------------------------------------------------------------------ /* * If t... 2 Jul 2010 10:11
Race in wb_do_writeback() ???
On Tue, Jun 29, 2010 at 04:28:16PM -0400, Larry Woodman wrote: Can you have one unconditional call to wb_clear_pending() after the calling wb_writeback()??? In fact we should only have a conditional call after wb_writeback. I've done that already and it's in Jens' tree for 2.6.36: http://git.kernel.dk/?p=... 29 Jun 2010 17:24
[PATCH 0/3] Extended file stat functions
Implement a pair of new system calls to provide extended and further extensible stat functions. The third of the associated patches provides these new system calls: struct xstat_dev { unsigned int major; unsigned int minor; }; struct xstat_time { unsigned long long tv_sec; unsigned long long t... 29 Jun 2010 16:17
Attention/ Promptly.
Top of the day. Please do not misconceive this mail for spam. It is a genuine mail from Dr.Teddy Alafia, special Assistant to the Minister of Agriculture. We have a very workable Investment fund for an establishment in your country, Can you assist us to actualize it? It is a life business and I can assure yo... 29 Jun 2010 16:17
[PATCH]kernel.h Fix #warning message web address.
Playing around with a printk program I noticed that the #warning message is incomplete(when using kernel headers for userspace): gcc printk.c -o printk In file included from printk.c:3: include/linux/kernel.h:733:2: warning: #warning Attempt to use kernel headers from user space, see http: My guess for the we... 29 Jun 2010 16:17
[PATCH] um: Include missing header file in os-linux/mem.c
On Tue, 29 Jun 2010 11:35:00 +0300 Boaz Harrosh <bharrosh(a)panasas.com> wrote: On 06/15/2010 11:06 AM, Liu Aleaxander wrote: The os-linux/mem.c file calls fchmod function, which is declared in sys/stat.h header file, so include it. Signed-off-by: Liu Aleaxander <Aleaxander(a)gmail.com> --- ... 29 Jun 2010 15:11
[PATCHv7 2.6.35-rc3-tip 3/11] uprobes: Slot allocation for Execution out of line(XOL)
uprobes: Slot allocation for Execution out of line(XOL) Changelog from V5: Merged into uprobes. Changelog form V3: * Added a memory barrier after the slot gets initialized. Changelog from V2: (addressing Oleg's comments) * Removed code in !CONFIG_UPROBES_XOL * Functions now pass pointer to uprobe... 29 Jun 2010 15:11
[PATCHv7 2.6.35-rc3-tip 7/11] uprobes: Uprobes Documentation
uprobes: Uprobes Documentation Changelog from V5: Removed references to Modules, Samples, and probe Overhead. Changelog from v3: Updated measurements. Changelog from v2: Updated measurements. Changelog from v1: Addressed comments from Randy Dunlap. : Updated measurements. Signed-off-by: Jim Ken... 29 Jun 2010 15:11
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