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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:19:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:19:16 -0800 |
| commit | 6035ccd8e9e40bb654fbfdef325902ab531679a5 (patch) | |
| tree | c1810d8a4d4ef150cdf14af72e6087dfc3f4b6e0 /drivers/block/cciss.h | |
| parent | 23eb3b64b5e44680c867e165fe1cd18e57fba255 (diff) | |
| parent | 878eaddd05d251cefa9632c2b8046833c5eead66 (diff) | |
Merge branch 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block: (113 commits)
cfq-iosched: Do not access cfqq after freeing it
block: include linux/err.h to use ERR_PTR
cfq-iosched: use call_rcu() instead of doing grace period stall on queue exit
blkio: Allow CFQ group IO scheduling even when CFQ is a module
blkio: Implement dynamic io controlling policy registration
blkio: Export some symbols from blkio as its user CFQ can be a module
block: Fix io_context leak after failure of clone with CLONE_IO
block: Fix io_context leak after clone with CLONE_IO
cfq-iosched: make nonrot check logic consistent
io controller: quick fix for blk-cgroup and modular CFQ
cfq-iosched: move IO controller declerations to a header file
cfq-iosched: fix compile problem with !CONFIG_CGROUP
blkio: Documentation
blkio: Wait on sync-noidle queue even if rq_noidle = 1
blkio: Implement group_isolation tunable
blkio: Determine async workload length based on total number of queues
blkio: Wait for cfq queue to get backlogged if group is empty
blkio: Propagate cgroup weight updation to cfq groups
blkio: Drop the reference to queue once the task changes cgroup
blkio: Provide some isolation between groups
...
Diffstat (limited to 'drivers/block/cciss.h')
| -rw-r--r-- | drivers/block/cciss.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index 31524cf42c7..1d95db25406 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -55,7 +55,13 @@ typedef struct _drive_info_struct char device_initialized; /* indicates whether dev is initialized */ } drive_info_struct; -struct ctlr_info +struct Cmd_sg_list { + SGDescriptor_struct *sgchain; + dma_addr_t sg_chain_dma; + int chain_block_size; +}; + +struct ctlr_info { int ctlr; char devname[8]; @@ -75,6 +81,16 @@ struct ctlr_info int num_luns; int highest_lun; int usage_count; /* number of opens all all minor devices */ + /* Need space for temp sg list + * number of scatter/gathers supported + * number of scatter/gathers in chained block + */ + struct scatterlist **scatter_list; + int maxsgentries; + int chainsize; + int max_cmd_sgentries; + struct Cmd_sg_list **cmd_sg_list; + # define DOORBELL_INT 0 # define PERF_MODE_INT 1 # define SIMPLE_MODE_INT 2 |