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authorDavid Howells <dhowells@redhat.com>2020-10-16 06:06:35 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-16 21:11:16 +0300
commitb1647dc0deef6e923e30c46f28bf5679125c9a10 (patch)
tree53734204747a75887253093b6784f8f662c32cef /mm/internal.h
parentdb660d462525c4a152b25e033c3dfa9c25d188e6 (diff)
downloadlinux-b1647dc0deef6e923e30c46f28bf5679125c9a10.tar.xz
mm/readahead: pass a file_ra_state into force_page_cache_ra
The file_ra_state being passed into page_cache_sync_readahead() was being ignored in favour of using the one embedded in the struct file. The only caller for which this makes a difference is the fsverity code if the file has been marked as POSIX_FADV_RANDOM, but it's confusing and worth fixing. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Eric Biggers <ebiggers@google.com> Link: https://lkml.kernel.org/r/20200903140844.14194-10-willy@infradead.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 03654797a3a9..6345b08ce86c 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -51,12 +51,13 @@ 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 *, unsigned long nr);
+void force_page_cache_ra(struct readahead_control *, struct file_ra_state *,
+ 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);
+ force_page_cache_ra(&ractl, &file->f_ra, nr_to_read);
}
struct page *find_get_entry(struct address_space *mapping, pgoff_t index);