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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-08-06 20:50:48 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-09-11 14:33:31 +0200 |
| commit | 37867ae7c549c58d44337e27738577ed8b7cd753 (patch) | |
| tree | 3e954d226c876369eddcfe3363ff5f872caa9451 /block/blk-iopoll.c | |
| parent | 1badcfbd7febd33f71fc02bda9112bd25e9c294b (diff) | |
| download | lwn-37867ae7c549c58d44337e27738577ed8b7cd753.tar.gz lwn-37867ae7c549c58d44337e27738577ed8b7cd753.zip | |
block: adjust default budget for blk-iopoll
It's not exported, I doubt we'll have a reason to change this...
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/blk-iopoll.c')
| -rw-r--r-- | block/blk-iopoll.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c index df6f192c9f67..0671d4614b08 100644 --- a/block/blk-iopoll.c +++ b/block/blk-iopoll.c @@ -17,6 +17,8 @@ int blk_iopoll_enabled = 1; EXPORT_SYMBOL(blk_iopoll_enabled); +static unsigned int blk_iopoll_budget __read_mostly = 256; + static DEFINE_PER_CPU(struct list_head, blk_cpu_iopoll); /** @@ -78,8 +80,8 @@ EXPORT_SYMBOL(blk_iopoll_complete); static void blk_iopoll_softirq(struct softirq_action *h) { struct list_head *list = &__get_cpu_var(blk_cpu_iopoll); + int rearm = 0, budget = blk_iopoll_budget; unsigned long start_time = jiffies; - int rearm = 0, budget = 64; local_irq_disable(); |