From db660d462525c4a152b25e033c3dfa9c25d188e6 Mon Sep 17 00:00:00 2001 From: David Howells Date: Thu, 15 Oct 2020 20:06:31 -0700 Subject: mm/filemap: fold ra_submit into do_sync_mmap_readahead Fold ra_submit() into its last remaining user and pass the readahead_control struct to both do_page_cache_ra() and page_cache_sync_ra(). 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/20200903140844.14194-9-willy@infradead.org Signed-off-by: Linus Torvalds --- mm/filemap.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'mm/filemap.c') diff --git a/mm/filemap.c b/mm/filemap.c index 2937b57329be..8aad142ec4be 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2588,8 +2588,8 @@ static struct file *do_sync_mmap_readahead(struct vm_fault *vmf) struct file *file = vmf->vma->vm_file; struct file_ra_state *ra = &file->f_ra; struct address_space *mapping = file->f_mapping; + DEFINE_READAHEAD(ractl, file, mapping, vmf->pgoff); struct file *fpin = NULL; - pgoff_t offset = vmf->pgoff; unsigned int mmap_miss; /* If we don't want any read-ahead, don't bother */ @@ -2600,8 +2600,7 @@ static struct file *do_sync_mmap_readahead(struct vm_fault *vmf) if (vmf->vma->vm_flags & VM_SEQ_READ) { fpin = maybe_unlock_mmap_for_io(vmf, fpin); - page_cache_sync_readahead(mapping, ra, file, offset, - ra->ra_pages); + page_cache_sync_ra(&ractl, ra, ra->ra_pages); return fpin; } @@ -2621,10 +2620,11 @@ static struct file *do_sync_mmap_readahead(struct vm_fault *vmf) * mmap read-around */ fpin = maybe_unlock_mmap_for_io(vmf, fpin); - ra->start = max_t(long, 0, offset - ra->ra_pages / 2); + ra->start = max_t(long, 0, vmf->pgoff - ra->ra_pages / 2); ra->size = ra->ra_pages; ra->async_size = ra->ra_pages / 4; - ra_submit(ra, mapping, file); + ractl._index = ra->start; + do_page_cache_ra(&ractl, ra->size, ra->async_size); return fpin; } -- cgit v1.2.3