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| author | guanglei <guanglei> | 2006-10-16 03:01:05 +0000 |
|---|---|---|
| committer | guanglei <guanglei> | 2006-10-16 03:01:05 +0000 |
| commit | 46f12990f2681683ebb3f0f8f6862f842f2722ef (patch) | |
| tree | 7e7d7d959df190f34fa7438a776cdf1e7326fbbb /tapset/scsi.stp | |
| parent | 9b2c55d00bc66ac15f7c148e2fa17f03eba466b7 (diff) | |
| download | systemtap-steved-46f12990f2681683ebb3f0f8f6862f842f2722ef.tar.gz systemtap-steved-46f12990f2681683ebb3f0f8f6862f842f2722ef.tar.xz systemtap-steved-46f12990f2681683ebb3f0f8f6862f842f2722ef.zip | |
tapset/scsi.stp:
check whether rq_disk is empty
tapset/scheduler.stp
revert changes
Diffstat (limited to 'tapset/scsi.stp')
| -rw-r--r-- | tapset/scsi.stp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tapset/scsi.stp b/tapset/scsi.stp index f1c449fa..23256893 100644 --- a/tapset/scsi.stp +++ b/tapset/scsi.stp @@ -19,8 +19,13 @@ probe scsi.ioentry = module("*").function("scsi_prep_fn@drivers/scsi/scsi_lib.c") { - disk_major = $req->rq_disk->major - disk_minor = $req->rq_disk->first_minor + if($req->rq_disk == 0) { + disk_major = -1 + disk_minor = -1 + } else { + disk_major = $req->rq_disk->major + disk_minor = $req->rq_disk->first_minor + } device_state = get_devstate_from_req($q) req_addr = $req } |