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b5e98d65d3
kernel-ark/drivers/md
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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
..
raid6test
.gitignore
bitmap.c md: don't write more than is required of the last page of a bitmap 2007-05-23 20:14:14 -07:00
dm-bio-list.h dm: bio list helpers 2007-05-09 12:30:47 -07:00
dm-bio-record.h
dm-crypt.c dm crypt: add null iv 2007-05-09 12:30:46 -07:00
dm-delay.c dm: delay target 2007-05-09 12:30:47 -07:00
dm-emc.c [PATCH] struct path: rename DM's struct path 2006-12-08 08:28:40 -08:00
dm-exception-store.c dm exception store: update dm io interface 2007-05-09 12:30:47 -07:00
dm-hw-handler.c
dm-hw-handler.h dm mpath: log device name 2007-05-09 12:30:46 -07:00
dm-io.c dm io: remove old interface 2007-05-09 12:30:47 -07:00
dm-io.h dm io: remove old interface 2007-05-09 12:30:47 -07:00
dm-ioctl.c [PATCH] mark struct file_operations const 4 2007-02-12 09:48:45 -08:00
dm-linear.c [PATCH] dm: map and endio symbolic return codes 2006-12-08 08:29:09 -08:00
dm-log.c dm log: fix resume failed log device 2007-05-09 12:30:48 -07:00
dm-log.h [PATCH] dm: log: rename complete_resync_work 2006-12-08 08:29:09 -08:00
dm-mpath.c dm mpath: log device name 2007-05-09 12:30:46 -07:00
dm-mpath.h [PATCH] struct path: rename DM's struct path 2006-12-08 08:28:40 -08:00
dm-path-selector.c
dm-path-selector.h [PATCH] struct path: rename DM's struct path 2006-12-08 08:28:40 -08:00
dm-raid1.c dm raid1: switch rh_in_sync to blocking in do_reads 2007-05-09 12:30:48 -07:00
dm-round-robin.c [PATCH] struct path: rename DM's struct path 2006-12-08 08:28:40 -08:00
dm-snap.c [PATCH] make drivers/md/dm-snap.c:ksnapd static 2006-12-08 08:29:09 -08:00
dm-snap.h [PATCH] dm snapshot: add workqueue 2006-10-03 08:04:14 -07:00
dm-stripe.c [PATCH] dm: map and endio symbolic return codes 2006-12-08 08:29:09 -08:00
dm-table.c dm: allow offline devices 2007-05-09 12:30:47 -07:00
dm-target.c
dm-zero.c [PATCH] dm: map and endio symbolic return codes 2006-12-08 08:29:09 -08:00
dm.c dm mpath: log device name 2007-05-09 12:30:46 -07:00
dm.h [PATCH] dm: suspend: add noflush pushback 2006-12-08 08:29:09 -08:00
faulty.c [PATCH] md: Don't assume that READ==0 and WRITE==1 - use the names explicitly 2006-12-13 09:05:48 -08:00
Kconfig async_tx: add the async_tx api 2007-07-13 08:06:14 -07:00
kcopyd.c dm kcopyd: update dm io interface 2007-05-09 12:30:47 -07:00
kcopyd.h
linear.c md: fix bug with linear hot-add and elsewhere 2007-05-23 20:14:14 -07:00
Makefile xor: make 'xor_blocks' a library routine for use with async_tx 2007-07-13 08:06:14 -07:00
md.c xor: make 'xor_blocks' a library routine for use with async_tx 2007-07-13 08:06:14 -07:00
mktables.c
multipath.c [PATCH] md: fix up maintenance of ->degraded in multipath 2006-10-28 11:30:51 -07:00
raid0.c md: avoid overflow in raid0 calculation with large components 2007-05-23 20:14:14 -07:00
raid1.c md: fix bug in error handling during raid1 repair 2007-06-16 13:16:15 -07:00
raid5.c md: handle_stripe5 - add request/completion logic for async read ops 2007-07-13 08:06:17 -07:00
raid6.h
raid6algos.c
raid6altivec.uc
raid6int.uc
raid6mmx.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6recov.c
raid6sse1.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6sse2.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6x86.h [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid10.c md: fix two raid10 bugs 2007-06-16 13:16:15 -07:00
unroll.pl