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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-04-15 17:01:13 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-04-15 17:01:13 +0200 |
| commit | 5853b4f06f7b9b56f37f457d7923f7b96496074e (patch) | |
| tree | 8cf850e91b26af25071f00055fa89fb924796de6 /kernel | |
| parent | Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6 (diff) | |
| parent | block: only force kblockd unplugging from the schedule() path (diff) | |
| download | linux-5853b4f06f7b9b56f37f457d7923f7b96496074e.tar.xz linux-5853b4f06f7b9b56f37f457d7923f7b96496074e.zip | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: only force kblockd unplugging from the schedule() path
block: cleanup the block plug helper functions
block, blk-sysfs: Use the variable directly instead of a function call
block: move queue run on unplug to kblockd
block: kill queue_sync_plugs()
block: readd plug trace event
block: add callback function for unplug notification
block: add comment on why we save and disable interrupts in flush_plug_list()
block: fixup block IO unplug trace call
block: remove block_unplug_timer() trace point
block: splice plug list to local context
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/blktrace.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 7aa40f8e182d..3e3970d53d14 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -850,32 +850,19 @@ static void blk_add_trace_plug(void *ignore, struct request_queue *q) __blk_add_trace(bt, 0, 0, 0, BLK_TA_PLUG, 0, 0, NULL); } -static void blk_add_trace_unplug_io(void *ignore, struct request_queue *q) +static void blk_add_trace_unplug_io(void *ignore, struct request_queue *q, + unsigned int depth) { struct blk_trace *bt = q->blk_trace; if (bt) { - unsigned int pdu = q->rq.count[READ] + q->rq.count[WRITE]; - __be64 rpdu = cpu_to_be64(pdu); + __be64 rpdu = cpu_to_be64(depth); __blk_add_trace(bt, 0, 0, 0, BLK_TA_UNPLUG_IO, 0, sizeof(rpdu), &rpdu); } } -static void blk_add_trace_unplug_timer(void *ignore, struct request_queue *q) -{ - struct blk_trace *bt = q->blk_trace; - - if (bt) { - unsigned int pdu = q->rq.count[READ] + q->rq.count[WRITE]; - __be64 rpdu = cpu_to_be64(pdu); - - __blk_add_trace(bt, 0, 0, 0, BLK_TA_UNPLUG_TIMER, 0, - sizeof(rpdu), &rpdu); - } -} - static void blk_add_trace_split(void *ignore, struct request_queue *q, struct bio *bio, unsigned int pdu) @@ -1015,8 +1002,6 @@ static void blk_register_tracepoints(void) WARN_ON(ret); ret = register_trace_block_plug(blk_add_trace_plug, NULL); WARN_ON(ret); - ret = register_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL); - WARN_ON(ret); ret = register_trace_block_unplug_io(blk_add_trace_unplug_io, NULL); WARN_ON(ret); ret = register_trace_block_split(blk_add_trace_split, NULL); @@ -1033,7 +1018,6 @@ static void blk_unregister_tracepoints(void) unregister_trace_block_bio_remap(blk_add_trace_bio_remap, NULL); unregister_trace_block_split(blk_add_trace_split, NULL); unregister_trace_block_unplug_io(blk_add_trace_unplug_io, NULL); - unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL); unregister_trace_block_plug(blk_add_trace_plug, NULL); unregister_trace_block_sleeprq(blk_add_trace_sleeprq, NULL); unregister_trace_block_getrq(blk_add_trace_getrq, NULL); @@ -1348,7 +1332,6 @@ static const struct { [__BLK_TA_COMPLETE] = {{ "C", "complete" }, blk_log_with_error }, [__BLK_TA_PLUG] = {{ "P", "plug" }, blk_log_plug }, [__BLK_TA_UNPLUG_IO] = {{ "U", "unplug_io" }, blk_log_unplug }, - [__BLK_TA_UNPLUG_TIMER] = {{ "UT", "unplug_timer" }, blk_log_unplug }, [__BLK_TA_INSERT] = {{ "I", "insert" }, blk_log_generic }, [__BLK_TA_SPLIT] = {{ "X", "split" }, blk_log_split }, [__BLK_TA_BOUNCE] = {{ "B", "bounce" }, blk_log_generic }, |