Re: regression in next-20230213: "splice: Do splice read from a buffered file without using ITER_PIPE"

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To: Daniel Golle <daniel@xxxxxxxxxxxxxx>
Subject: Re: regression in next-20230213: "splice: Do splice read from a buffered file without using ITER_PIPE"
From: David Howells <dhowells@xxxxxxxxxx>
Date: Mon, 13 Feb 2023 17:25:32 +0000
Cc: dhowells@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, Jens Axboe <axboe@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>
In-reply-to: <2344208.1676308516@warthog.procyon.org.uk>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <2344208.1676308516@warthog.procyon.org.uk> <Y+pdHFFTk1TTEBsO@makrotopia.org>

David Howells <dhowells@xxxxxxxxxx> wrote:

> > [   30.379325]  filemap_get_pages+0x254/0x604
> 
> Would you also be able to find out what line that was on?

Actually, I think this is the line of interest:

	[   30.296108] lr : filemap_read_folio+0x40/0x214

David

References:
- Re: regression in next-20230213: "splice: Do splice read from a buffered file without using ITER_PIPE"
  - From: David Howells
- regression in next-20230213: "splice: Do splice read from a buffered file without using ITER_PIPE"
  - From: Daniel Golle

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