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* [Bug libc/18921] New: Regression: extraneous stat() and fstat() performed by opendir()
@ 2015-09-03 22:54 P at draigBrady dot com
2015-09-03 23:15 ` [Bug libc/18921] " roland at gnu dot org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: P at draigBrady dot com @ 2015-09-03 22:54 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18921
Bug ID: 18921
Summary: Regression: extraneous stat() and fstat() performed by
opendir()
Product: glibc
Version: 2.22
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: roland at gnu dot org
Reporter: P at draigBrady dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
As diagnosed by Bernhard Voelker,
since glibc-2.22 ... and specifically this commit:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=glibc-2.21-360-g46f894d
opendir(".") has been changed from a simple openat() to this sequence of
stat()+open() as the following diff of `strace ls` outputs indicates:
stat(".", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
-openat(AT_FDCWD, ".", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
+stat(".", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
+open(".", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
+fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
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* [Bug libc/18921] Regression: extraneous stat() and fstat() performed by opendir()
2015-09-03 22:54 [Bug libc/18921] New: Regression: extraneous stat() and fstat() performed by opendir() P at draigBrady dot com
@ 2015-09-03 23:15 ` roland at gnu dot org
2015-09-08 21:02 ` roland at gnu dot org
2015-10-29 17:06 ` jsm28 at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: roland at gnu dot org @ 2015-09-03 23:15 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18921
Roland McGrath <roland at gnu dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #1 from Roland McGrath <roland at gnu dot org> ---
Fix pending review.
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* [Bug libc/18921] Regression: extraneous stat() and fstat() performed by opendir()
2015-09-03 22:54 [Bug libc/18921] New: Regression: extraneous stat() and fstat() performed by opendir() P at draigBrady dot com
2015-09-03 23:15 ` [Bug libc/18921] " roland at gnu dot org
@ 2015-09-08 21:02 ` roland at gnu dot org
2015-10-29 17:06 ` jsm28 at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: roland at gnu dot org @ 2015-09-08 21:02 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18921
Roland McGrath <roland at gnu dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Roland McGrath <roland at gnu dot org> ---
Fixed on trunk and 2.22 branch.
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* [Bug libc/18921] Regression: extraneous stat() and fstat() performed by opendir()
2015-09-03 22:54 [Bug libc/18921] New: Regression: extraneous stat() and fstat() performed by opendir() P at draigBrady dot com
2015-09-03 23:15 ` [Bug libc/18921] " roland at gnu dot org
2015-09-08 21:02 ` roland at gnu dot org
@ 2015-10-29 17:06 ` jsm28 at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2015-10-29 17:06 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18921
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.23
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end of thread, other threads:[~2015-10-29 17:06 UTC | newest]
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2015-09-03 22:54 [Bug libc/18921] New: Regression: extraneous stat() and fstat() performed by opendir() P at draigBrady dot com
2015-09-03 23:15 ` [Bug libc/18921] " roland at gnu dot org
2015-09-08 21:02 ` roland at gnu dot org
2015-10-29 17:06 ` jsm28 at gcc dot gnu.org
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