Messages in this thread |  | | From | Linus Torvalds <> | Date | Sat, 14 Apr 2018 14:47:21 -0700 | Subject | Re: [PATCH] fs/dcache.c: re-add cond_resched() in shrink_dcache_parent() |
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On Sat, Apr 14, 2018 at 1:58 PM, Al Viro <viro@zeniv.linux.org.uk> wrote: > > That breaks d_invalidate(), unfortunately. Look at the termination > conditions in the loop there...
Ugh. I was going to say "but that doesn't even use select_collect()", but yeah, detach_and_collect() calls it.
It would be easy enough to just change the
if (!list_empty(&data.select.dispose))
there to
if (!list_empty(&data.select.found))
too.
In fact, it probably *should* do that, exactly to get the whole "cond_resched()" call in that whole call chain too. Because as-is, it looks like it has the same issue as shrink_dcache_parent() does..
But yeah, the fact that I didn't notice that makes me a bit nervous. But now I triple-checked, there are no other indirect callers.
Linus
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