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authorQu Wenruo <wqu@suse.com>2019-01-25 13:09:15 +0800
committerDavid Sterba <dsterba@suse.com>2019-02-25 14:13:37 +0100
commitbb58eb9e167d087cc518f7a71c3c00f1671958da (patch)
tree8da8ce87eab12657c24f7e16f9a949977e293e0b /fs/btrfs
parent352646c7bfa9fddb80c4ae87dce4a9ebd7dd0bb4 (diff)
downloadlinux-bb58eb9e167d087cc518f7a71c3c00f1671958da.tar.bz2
btrfs: extent_io: Kill the forward declaration of flush_write_bio
There is no need to forward declare flush_write_bio(), as it only depends on submit_one_bio(). Both of them are pretty small, just move them to kill the forward declaration. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/extent_io.c66
1 files changed, 32 insertions, 34 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 90ecce857263..ca259c75bbcd 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -147,7 +147,38 @@ static int add_extent_changeset(struct extent_state *state, unsigned bits,
return ret;
}
-static void flush_write_bio(struct extent_page_data *epd);
+static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
+ unsigned long bio_flags)
+{
+ blk_status_t ret = 0;
+ struct bio_vec *bvec = bio_last_bvec_all(bio);
+ struct page *page = bvec->bv_page;
+ struct extent_io_tree *tree = bio->bi_private;
+ u64 start;
+
+ start = page_offset(page) + bvec->bv_offset;
+
+ bio->bi_private = NULL;
+
+ if (tree->ops)
+ ret = tree->ops->submit_bio_hook(tree->private_data, bio,
+ mirror_num, bio_flags, start);
+ else
+ btrfsic_submit_bio(bio);
+
+ return blk_status_to_errno(ret);
+}
+
+static void flush_write_bio(struct extent_page_data *epd)
+{
+ if (epd->bio) {
+ int ret;
+
+ ret = submit_one_bio(epd->bio, 0, 0);
+ BUG_ON(ret < 0); /* -ENOMEM */
+ epd->bio = NULL;
+ }
+}
int __init extent_io_init(void)
{
@@ -2690,28 +2721,6 @@ struct bio *btrfs_bio_clone_partial(struct bio *orig, int offset, int size)
return bio;
}
-static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
- unsigned long bio_flags)
-{
- blk_status_t ret = 0;
- struct bio_vec *bvec = bio_last_bvec_all(bio);
- struct page *page = bvec->bv_page;
- struct extent_io_tree *tree = bio->bi_private;
- u64 start;
-
- start = page_offset(page) + bvec->bv_offset;
-
- bio->bi_private = NULL;
-
- if (tree->ops)
- ret = tree->ops->submit_bio_hook(tree->private_data, bio,
- mirror_num, bio_flags, start);
- else
- btrfsic_submit_bio(bio);
-
- return blk_status_to_errno(ret);
-}
-
/*
* @opf: bio REQ_OP_* and REQ_* flags as one value
* @tree: tree so we can call our merge_bio hook
@@ -4005,17 +4014,6 @@ retry:
return ret;
}
-static void flush_write_bio(struct extent_page_data *epd)
-{
- if (epd->bio) {
- int ret;
-
- ret = submit_one_bio(epd->bio, 0, 0);
- BUG_ON(ret < 0); /* -ENOMEM */
- epd->bio = NULL;
- }
-}
-
int extent_write_full_page(struct page *page, struct writeback_control *wbc)
{
int ret;