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tracing/user_events: Rename link fields for clarity

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Currently most list_head fields of various structs within user_events
are simply named link. This causes folks to keep additional context in
their head when working with the code, which can be confusing.

Instead of using link, describe what the actual link is, for example:
list_del_rcu(&mm->link);

Changes into:
list_del_rcu(&mm->mms_link);

The reader now is given a hint the link is to the mms global list
instead of having to remember or spot check within the code.

Link: https://lkml.kernel.org/r/20230519230741.669-4-beaub@linux.microsoft.com
Link: https://lore.kernel.org/linux-trace-kernel/CAHk-=wicngggxVpbnrYHjRTwGE0WYscPRM+L2HO2BF8ia1EXgQ@mail.gmail.com/

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Beau Belgrave 2023-05-19 16:07:40 -07:00 • committed by Steven Rostedt (Google)
parent aaecdaf922
commit dcbd1ac266
2 changed files with 23 additions and 19 deletions
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2
include/linux/user_events.h
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@ -17,7 +17,7 @@
#ifdef CONFIG_USER_EVENTS
struct user_event_mm {
struct list_head link;
struct list_head mms_link;
struct list_head enablers;
struct mm_struct *mm;
struct user_event_mm *next;