diff options
| author | David Sterba <dsterba@suse.com> | 2016-05-04 11:46:10 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-05-06 14:57:57 +0200 |
| commit | 58409edd2d5cc24716cb9ce690803696c5118503 (patch) | |
| tree | ea605dcc992dea3d662abb8e72cd0c0ca6a6e6ad | |
| parent | ad8403df054c9b5dc3175a26c6179571b9cafa4e (diff) | |
btrfs: kill unused writepage_io_hook callback
It seems to be long time unused, since 2008 and
6885f308b5570 ("Btrfs: Misc 2.6.25 updates").
Propagating the removal touches some code but has no functional effect.
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/extent_io.c | 39 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.h | 1 |
2 files changed, 16 insertions, 24 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index d247fc0eea19..d22b0777c7e0 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3368,6 +3368,8 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode, while (cur <= end) { u64 em_end; + unsigned long max_nr; + if (cur >= i_size) { if (tree->ops && tree->ops->writepage_end_io_hook) tree->ops->writepage_end_io_hook(page, cur, @@ -3423,32 +3425,23 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode, continue; } - if (tree->ops && tree->ops->writepage_io_hook) { - ret = tree->ops->writepage_io_hook(page, cur, - cur + iosize - 1); - } else { - ret = 0; + max_nr = (i_size >> PAGE_SHIFT) + 1; + + set_range_writeback(tree, cur, cur + iosize - 1); + if (!PageWriteback(page)) { + btrfs_err(BTRFS_I(inode)->root->fs_info, + "page %lu not writeback, cur %llu end %llu", + page->index, cur, end); } - if (ret) { - SetPageError(page); - } else { - unsigned long max_nr = (i_size >> PAGE_SHIFT) + 1; - set_range_writeback(tree, cur, cur + iosize - 1); - if (!PageWriteback(page)) { - btrfs_err(BTRFS_I(inode)->root->fs_info, - "page %lu not writeback, cur %llu end %llu", - page->index, cur, end); - } + ret = submit_extent_page(write_flags, tree, wbc, page, + sector, iosize, pg_offset, + bdev, &epd->bio, max_nr, + end_bio_extent_writepage, + 0, 0, 0, false); + if (ret) + SetPageError(page); - ret = submit_extent_page(write_flags, tree, wbc, page, - sector, iosize, pg_offset, - bdev, &epd->bio, max_nr, - end_bio_extent_writepage, - 0, 0, 0, false); - if (ret) - SetPageError(page); - } cur = cur + iosize; pg_offset += iosize; nr++; diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index b5e0ade90e88..981f402bf754 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -71,7 +71,6 @@ struct extent_io_ops { u64 start, u64 end, int *page_started, unsigned long *nr_written); int (*writepage_start_hook)(struct page *page, u64 start, u64 end); - int (*writepage_io_hook)(struct page *page, u64 start, u64 end); extent_submit_bio_hook_t *submit_bio_hook; int (*merge_bio_hook)(int rw, struct page *page, unsigned long offset, size_t size, struct bio *bio, |