kernel-ark/include
Dan Williams b5e98d65d3 md: handle_stripe5 - add request/completion logic for async read ops
When a read bio is attached to the stripe and the corresponding block is
marked R5_UPTODATE, then a read (biofill) operation is scheduled to copy
the data from the stripe cache to the bio buffer.  handle_stripe flags the
blocks to be operated on with the R5_Wantfill flag.  If new read requests
arrive while raid5_run_ops is running they will not be handled until
handle_stripe is scheduled to run again.

Changelog:
* cleanup to_read and to_fill accounting
* do not fail reads that have reached the cache

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-By: NeilBrown <neilb@suse.de>
2007-07-13 08:06:17 -07:00
..
acpi
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asm-arm
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asm-h8300
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asm-m68k
asm-m68knommu
asm-mips
asm-parisc
asm-powerpc
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asm-s390
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asm-xtensa
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linux md: handle_stripe5 - add request/completion logic for async read ops 2007-07-13 08:06:17 -07:00
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