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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-09 15:49:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-09 15:49:36 -0700 |
| commit | 84e74f6b770efe7c9beb604118695aa311b969f5 (patch) | |
| tree | a242b29d44b85e510481232b09b2371572570ff8 /block/blktrace.c | |
| parent | 953969ddf5b049361ed1e8471cc43dc4134d2a6f (diff) | |
| parent | 1959d21232931dfa686769a21161413f10d6652f (diff) | |
Merge branch 'blktrace' of git://brick.kernel.dk/data/git/linux-2.6-block
* 'blktrace' of git://brick.kernel.dk/data/git/linux-2.6-block:
[PATCH] Only the first two bits in bio->bi_rw and rq->flags match
[PATCH] blktrace: readahead support
[PATCH] blktrace: fix barrier vs sync typo
Diffstat (limited to 'block/blktrace.c')
| -rw-r--r-- | block/blktrace.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/block/blktrace.c b/block/blktrace.c index 92925e7d9e6..b8c0702777f 100644 --- a/block/blktrace.c +++ b/block/blktrace.c @@ -69,7 +69,7 @@ static u32 ddir_act[2] __read_mostly = { BLK_TC_ACT(BLK_TC_READ), BLK_TC_ACT(BLK /* * Bio action bits of interest */ -static u32 bio_act[3] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_ACT(BLK_TC_SYNC) }; +static u32 bio_act[5] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_ACT(BLK_TC_SYNC), 0, BLK_TC_ACT(BLK_TC_AHEAD) }; /* * More could be added as needed, taking care to increment the decrementer @@ -79,6 +79,8 @@ static u32 bio_act[3] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_AC (((rw) & (1 << BIO_RW_BARRIER)) >> (BIO_RW_BARRIER - 0)) #define trace_sync_bit(rw) \ (((rw) & (1 << BIO_RW_SYNC)) >> (BIO_RW_SYNC - 1)) +#define trace_ahead_bit(rw) \ + (((rw) & (1 << BIO_RW_AHEAD)) << (BIO_RW_AHEAD - 0)) /* * The worker for the various blk_add_trace*() types. Fills out a @@ -100,6 +102,7 @@ void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, what |= ddir_act[rw & WRITE]; what |= bio_act[trace_barrier_bit(rw)]; what |= bio_act[trace_sync_bit(rw)]; + what |= bio_act[trace_ahead_bit(rw)]; pid = tsk->pid; if (unlikely(act_log_check(bt, what, sector, pid))) |