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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-04-07 21:18:55 +0100
committerDavid Howells <dhowells@redhat.com>2021-04-23 09:25:00 +0100
commitfcd9ae4f7f3b5fbd549285bab0478a339113620e (patch)
tree4a188d6754431b22be1913cf13841ca4d808bc87 /mm/internal.h
parent73e10ded33a1cfc0c72404aaedc493e9813b6239 (diff)
downloadlinux-fcd9ae4f7f3b5fbd549285bab0478a339113620e.tar.bz2
mm/filemap: Pass the file_ra_state in the ractl
For readahead_expand(), we need to modify the file ra_state, so pass it down by adding it to the ractl. We have to do this because it's not always the same as f_ra in the struct file that is already being passed. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Jeff Layton <jlayton@kernel.org> Tested-by: Dave Wysochanski <dwysocha@redhat.com> Tested-By: Marc Dionne <marc.dionne@auristor.com> Link: https://lore.kernel.org/r/20210407201857.3582797-2-willy@infradead.org/ Link: https://lore.kernel.org/r/161789067431.6155.8063840447229665720.stgit@warthog.procyon.org.uk/ # v6
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 1432feec62df..83a07b2a7b1f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -51,13 +51,12 @@ void unmap_page_range(struct mmu_gather *tlb,
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 *, struct file_ra_state *,
- unsigned long nr);
+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, &file->f_ra, nr_to_read);
+ DEFINE_READAHEAD(ractl, file, &file->f_ra, mapping, index);
+ force_page_cache_ra(&ractl, nr_to_read);
}
unsigned find_lock_entries(struct address_space *mapping, pgoff_t start,