btrfs: sink read_flags argument into extent_read_full_page

It's always set to 0 by its sole caller - btrfs_readpage. Simply remove
it.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index f43827b..1c959d6 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3366,7 +3366,7 @@ static inline void contiguous_readpages(struct page *pages[], int nr_pages,
 }
 
 int extent_read_full_page(struct page *page, struct bio **bio,
-                         unsigned long *bio_flags, unsigned int read_flags)
+                         unsigned long *bio_flags)
 {
        struct btrfs_inode *inode = BTRFS_I(page->mapping->host);
        u64 start = page_offset(page);
@@ -3375,7 +3375,7 @@ int extent_read_full_page(struct page *page, struct bio **bio,
 
        btrfs_lock_and_flush_ordered_range(inode, start, end, NULL);
 
-       ret = __do_readpage(page, NULL, bio, 0, bio_flags, read_flags, NULL);
+       ret = __do_readpage(page, NULL, bio, 0, bio_flags, 0, NULL);
        return ret;
 }
 

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 3562c92..5fa2485 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -196,7 +196,7 @@ int try_release_extent_buffer(struct page *page);
 int __must_check submit_one_bio(struct bio *bio, int mirror_num,
                                unsigned long bio_flags);
 int extent_read_full_page(struct page *page, struct bio **bio,
-                         unsigned long *bio_flags, unsigned int read_flags);
+                         unsigned long *bio_flags);
 int extent_write_full_page(struct page *page, struct writeback_control *wbc);
 int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
                              int mode);

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a08917e..4b40d97 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8044,7 +8044,7 @@ int btrfs_readpage(struct file *file, struct page *page)
        unsigned long bio_flags = 0;
        int ret;
 
-       ret = extent_read_full_page(page, &bio, &bio_flags, 0);
+       ret = extent_read_full_page(page, &bio, &bio_flags);
        if (bio)
                ret = submit_one_bio(bio, 0, bio_flags);
        return ret;