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Merge branch 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block

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* 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block:
  [PATCH] Don't make debugfs depend on DEBUG_KERNEL
  [PATCH] Fix blktrace compile with sysfs not defined
  [PATCH] unused label in drivers/block/cciss.
  [BLOCK] increase size of disk stat counters
  [PATCH] blk_execute_rq_nowait-speedup
  [PATCH] ide-cd: quiet down GPCMD_READ_CDVD_CAPACITY failure
  [BLOCK] ll_rw_blk: kmalloc -> kzalloc conversion
  [PATCH] kzalloc() conversion in drivers/block
  [PATCH] update max_sectors documentation
This commit is contained in:
Linus Torvalds 2006-03-27 08:46:49 -08:00
commit 4fa639123d
11 changed files with 39 additions and 36 deletions
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14
Documentation/block/biodoc.txt
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@ -132,8 +132,18 @@ Some new queue property settings:
limit. No highmem default.
blk_queue_max_sectors(q, max_sectors)
Maximum size request you can handle in units of 512 byte
sectors. 255 default.
Sets two variables that limit the size of the request.
- The request queue's max_sectors, which is a soft size in
in units of 512 byte sectors, and could be dynamically varied
by the core kernel.
- The request queue's max_hw_sectors, which is a hard limit
and reflects the maximum size request a driver can handle
in units of 512 byte sectors.
The default for both max_sectors and max_hw_sectors is
255. The upper limit of max_sectors is 1024.
blk_queue_max_phys_segments(q, max_segments)
Maximum physical segments you can handle in a request. 128