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ref_tracker: eliminate the ref_tracker_dir name field

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Now that we have dentries and the ability to create meaningful symlinks
to them, don't keep a name string in each tracker. Switch the output
format to print "class@address", and drop the name field.

Also, add a kerneldoc header for ref_tracker_dir_init().

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20250618-reftrack-dbgfs-v15-9-24fc37ead144@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jeff Layton
2025-06-18 10:24:22 -04:00
committed by Jakub Kicinski
parent 8f2079f8da
commit 707bd05be7
8 changed files with 24 additions and 16 deletions
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6
lib/ref_tracker.c
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@@ -155,7 +155,7 @@ __ref_tracker_dir_pr_ostream(struct ref_tracker_dir *dir,
stats = ref_tracker_get_stats(dir, display_limit);
if (IS_ERR(stats)) {
pr_ostream(s, "%s%s@%p: couldn't get stats, error %pe\n",
s->prefix, dir->name, dir, stats);
s->prefix, dir->class, dir, stats);
return;
}
@@ -166,14 +166,14 @@ __ref_tracker_dir_pr_ostream(struct ref_tracker_dir *dir,
if (sbuf && !stack_depot_snprint(stack, sbuf, STACK_BUF_SIZE, 4))
sbuf[0] = 0;
pr_ostream(s, "%s%s@%p has %d/%d users at\n%s\n", s->prefix,
dir->name, dir, stats->stacks[i].count,
dir->class, dir, stats->stacks[i].count,
stats->total, sbuf);
skipped -= stats->stacks[i].count;
}
if (skipped)
pr_ostream(s, "%s%s@%p skipped reports about %d/%d users.\n",
s->prefix, dir->name, dir, skipped, stats->total);
s->prefix, dir->class, dir, skipped, stats->total);
kfree(sbuf);