diff options
Diffstat (limited to 'block/blktrace.c')
| -rw-r--r-- | block/blktrace.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/block/blktrace.c b/block/blktrace.c index eb9651ccb24..7495a84353e 100644 --- a/block/blktrace.c +++ b/block/blktrace.c @@ -114,7 +114,13 @@ 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[9] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_ACT(BLK_TC_SYNC), 0, BLK_TC_ACT(BLK_TC_AHEAD), 0, 0, 0, BLK_TC_ACT(BLK_TC_META) }; +static u32 bio_act[17] __read_mostly = { + [1] = BLK_TC_ACT(BLK_TC_BARRIER), + [2] = BLK_TC_ACT(BLK_TC_SYNC), + [4] = BLK_TC_ACT(BLK_TC_AHEAD), + [8] = BLK_TC_ACT(BLK_TC_META), + [16] = BLK_TC_ACT(BLK_TC_DISCARD) +}; /* * More could be added as needed, taking care to increment the decrementer @@ -128,6 +134,8 @@ static u32 bio_act[9] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_AC (((rw) & (1 << BIO_RW_AHEAD)) << (2 - BIO_RW_AHEAD)) #define trace_meta_bit(rw) \ (((rw) & (1 << BIO_RW_META)) >> (BIO_RW_META - 3)) +#define trace_discard_bit(rw) \ + (((rw) & (1 << BIO_RW_DISCARD)) >> (BIO_RW_DISCARD - 4)) /* * The worker for the various blk_add_trace*() types. Fills out a @@ -151,6 +159,7 @@ void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, what |= bio_act[trace_sync_bit(rw)]; what |= bio_act[trace_ahead_bit(rw)]; what |= bio_act[trace_meta_bit(rw)]; + what |= bio_act[trace_discard_bit(rw)]; pid = tsk->pid; if (unlikely(act_log_check(bt, what, sector, pid))) |