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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-07-24 23:26:14 -0400 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-21 13:01:36 -0400 |
| commit | 56a4d67c264e37014b8392cba9869c7fe904ed1e (patch) | |
| tree | 6e5ba50d0d927bd0bd1317485bb1da891d42aeb6 /mm | |
| parent | 1854bc6e2420472676c5c90d3d6b15f6cd640e40 (diff) | |
| download | linux-56a4d67c264e37014b8392cba9869c7fe904ed1e.tar.bz2 | |
mm/readahead: Switch to page_cache_ra_order
do_page_cache_ra() was being exposed for the benefit of
do_sync_mmap_readahead(). Switch it over to page_cache_ra_order()
partly because it's a better interface but mostly for the benefit of
the next patch.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap.c | 2 | ||||
| -rw-r--r-- | mm/internal.h | 4 | ||||
| -rw-r--r-- | mm/readahead.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 8f7ac3de9098..fe764225ae99 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -3027,7 +3027,7 @@ static struct file *do_sync_mmap_readahead(struct vm_fault *vmf) ra->size = ra->ra_pages; ra->async_size = ra->ra_pages / 4; ractl._index = ra->start; - do_page_cache_ra(&ractl, ra->size, ra->async_size); + page_cache_ra_order(&ractl, ra, 0); return fpin; } diff --git a/mm/internal.h b/mm/internal.h index 2b2c2c4eb63a..293eca1360dc 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -79,8 +79,8 @@ void unmap_page_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, struct zap_details *details); -void do_page_cache_ra(struct readahead_control *, unsigned long nr_to_read, - unsigned long lookahead_size); +void page_cache_ra_order(struct readahead_control *, struct file_ra_state *, + unsigned int order); 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) diff --git a/mm/readahead.c b/mm/readahead.c index 5100eaf5b0ee..a20391d6a71b 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -247,7 +247,7 @@ EXPORT_SYMBOL_GPL(page_cache_ra_unbounded); * behaviour which would occur if page allocations are causing VM writeback. * We really don't want to intermingle reads and writes like that. */ -void do_page_cache_ra(struct readahead_control *ractl, +static void do_page_cache_ra(struct readahead_control *ractl, unsigned long nr_to_read, unsigned long lookahead_size) { struct inode *inode = ractl->mapping->host; @@ -462,7 +462,7 @@ static inline int ra_alloc_folio(struct readahead_control *ractl, pgoff_t index, return err; } -static void page_cache_ra_order(struct readahead_control *ractl, +void page_cache_ra_order(struct readahead_control *ractl, struct file_ra_state *ra, unsigned int new_order) { struct address_space *mapping = ractl->mapping; |