[tip:perfcounters/core] perf_counter: log full path names

[Peter Zijlstra]

Commit-ID:  0a24487bebbee88609004bc5a5ae1b375b292897
Gitweb:     http://git.kernel.org/tip/0a24487bebbee88609004bc5a5ae1b375b292897
Author:     Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Thu, 9 Apr 2009 10:53:46 +0200
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 9 Apr 2009 11:00:54 +0200

perf_counter: log full path names

Impact: fix perf-report output for /home mounted binaries, etc.

dentry_path() only provide path-names up to the mount root, which is
unsuited for out purpose, use d_path() instead.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
LKML-Reference: <20090409085524.601794134@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 kernel/perf_counter.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index a2fa5bc..0d646ac 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -2111,7 +2111,7 @@ static void perf_counter_mmap_event(struct perf_mmap_event *mmap_event)
 			name = strncpy(tmp, "//enomem", sizeof(tmp));
 			goto got_name;
 		}
-		name = dentry_path(file->f_dentry, buf, PATH_MAX);
+		name = d_path(&file->f_path, buf, PATH_MAX);
 		if (IS_ERR(name)) {
 			name = strncpy(tmp, "//toolong", sizeof(tmp));
 			goto got_name;
--
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