From 7b3df3b9ac7e807bf1b6fcc03077bd80068f3d3c Mon Sep 17 00:00:00 2001 From: David Howells Date: Thu, 15 Oct 2020 20:06:24 -0700 Subject: mm/readahead: pass readahead_control to force_page_cache_ra Reimplement force_page_cache_readahead() as a wrapper around force_page_cache_ra(). Pass the existing readahead_control from page_cache_sync_readahead(). Signed-off-by: David Howells Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton Cc: Eric Biggers Link: https://lkml.kernel.org/r/20200903140844.14194-7-willy@infradead.org Signed-off-by: Linus Torvalds --- mm/internal.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'mm/internal.h') diff --git a/mm/internal.h b/mm/internal.h index 41ade6c184ec..059ad0115ec1 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -49,10 +49,15 @@ void unmap_page_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, struct zap_details *details); -void force_page_cache_readahead(struct address_space *, struct file *, - pgoff_t index, unsigned long nr_to_read); -void do_page_cache_ra(struct readahead_control *, - unsigned long nr_to_read, unsigned long lookahead_size); +void do_page_cache_ra(struct readahead_control *, unsigned long nr_to_read, + unsigned long lookahead_size); +void force_page_cache_ra(struct readahead_control *, unsigned long nr); +static inline void force_page_cache_readahead(struct address_space *mapping, + struct file *file, pgoff_t index, unsigned long nr_to_read) +{ + DEFINE_READAHEAD(ractl, file, mapping, index); + force_page_cache_ra(&ractl, nr_to_read); +} /* * Submit IO for the read-ahead request in file_ra_state. -- cgit