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authorFrank Ch. Eigler <fche@elastic.org>2008-05-21 13:37:07 -0400
committerFrank Ch. Eigler <fche@elastic.org>2008-05-21 13:37:07 -0400
commite3339150b3c04f50b0abdc4a6d132a6b75b22cb6 (patch)
treec80892afd79625f95ff0a2543728804464c2961a /tapset/vfs.stp
parent332ddc9f7354fe51c32c504087575b3ea2b70990 (diff)
parentaa8a3b1797da54a14d04cd57758a65064056376e (diff)
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Merge commit 'origin/master' into pr6429-comp-unwindsyms
* commit 'origin/master': Fix assignment optimization expected results. PR6538: more testsuite tweaks for read-only warnings PR6538: more tapset fixes PR6538: explain why absentstats.stp logs will contain warnings PR6538: fix treatment of initialized globals Use pointer_arg to fetch arguments for syscall.utime and compat_utime. Optimize compound and binary expression assignments. Check new (sub) functions of _struct_utimbuf_* and _struct_compat_utimbuf_*. PR6538: tapset changes PR6538: testsuite changes PR5001: fix test suite collateral damage PR6538: warn about read-only variables Add some scripts and descriptions to the systemtap.examples. PR5001: Remove _stp_ctime and always use ctime. Use tr1/unordered_map instead of the deprecated ext/hash_map. PR6524: ctime() on bad values hangs system. Optimize away assignments in other contexts. Optimize away assignments in other contexts. dummy commit for testing systemtap-cvs notification Remove sa_restorer initialization.
Diffstat (limited to 'tapset/vfs.stp')
-rw-r--r--tapset/vfs.stp14
1 files changed, 4 insertions, 10 deletions
diff --git a/tapset/vfs.stp b/tapset/vfs.stp
index 75b1b279..6073dffc 100644
--- a/tapset/vfs.stp
+++ b/tapset/vfs.stp
@@ -33,16 +33,10 @@ function __bdevname:string (bdev:long) %{ /* pure */
global __devnames
function __find_bdevname:string(dev:long, bdev:long)
{
-# return ""
-
- __devname = __devnames[dev]
-
- if (__devname != null)
- return __devname
-
- __devname = __devnames[dev] = __bdevname(bdev)
-
- return __devname
+ if (dev in __devnames)
+ return __devnames[dev]
+ else
+ return __devnames[dev] = __bdevname(bdev)
}
function ppos_pos:long (ppos:long) %{ /* pure */