From: Jens Axboe Date: Tue, 8 May 2007 06:46:19 +0000 (+0200) Subject: [PATCH] splice: always call into page_cache_readahead() X-Git-Tag: v2.6.22-rc1~360^2~1 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=86aa5ac53e478c94ee39a15b6eadde1ed1317be3 [PATCH] splice: always call into page_cache_readahead() Don't try to guess what the read-ahead logic will do, allow it to make its own decisions. Signed-off-by: Jens Axboe --- diff --git a/fs/splice.c b/fs/splice.c index 2282650..12f2828 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -289,12 +289,10 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, nr_pages = PIPE_BUFFERS; /* - * Initiate read-ahead on this page range. however, don't call into - * read-ahead if this is a non-zero offset (we are likely doing small - * chunk splice and the page is already there) for a single page. + * Don't try to 2nd guess the read-ahead logic, call into + * page_cache_readahead() like the page cache reads would do. */ - if (!loff || nr_pages > 1) - page_cache_readahead(mapping, &in->f_ra, in, index, nr_pages); + page_cache_readahead(mapping, &in->f_ra, in, index, nr_pages); /* * Now fill in the holes: