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Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c29
1 files changed, 1 insertions, 28 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index bbb71fad861..315dd550d56 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -297,7 +297,6 @@ int btrfs_clear_bit_hook(struct inode *inode, u64 start, u64 end,
int btrfs_submit_bio_hook(int rw, struct bio *bio)
{
- // struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
struct bio_vec *bvec = bio->bi_io_vec;
struct inode *inode = bvec->bv_page->mapping->host;
struct btrfs_root *root = BTRFS_I(inode)->root;
@@ -320,32 +319,7 @@ int btrfs_submit_bio_hook(int rw, struct bio *bio)
mutex_unlock(&root->fs_info->fs_mutex);
return ret;
}
-#if 0
-int btrfs_writepage_io_hook(struct page *page, u64 start, u64 end)
-{
- struct inode *inode = page->mapping->host;
- struct btrfs_root *root = BTRFS_I(inode)->root;
- struct btrfs_trans_handle *trans;
- char *kaddr;
- int ret = 0;
- u64 page_start = (u64)page->index << PAGE_CACHE_SHIFT;
- size_t offset = start - page_start;
- if (btrfs_test_opt(root, NODATASUM) ||
- btrfs_test_flag(inode, NODATASUM))
- return 0;
- mutex_lock(&root->fs_info->fs_mutex);
- trans = btrfs_start_transaction(root, 1);
- btrfs_set_trans_block_group(trans, inode);
- kaddr = kmap(page);
- btrfs_csum_file_block(trans, root, inode, inode->i_ino,
- start, kaddr + offset, end - start + 1);
- kunmap(page);
- ret = btrfs_end_transaction(trans, root);
- BUG_ON(ret);
- mutex_unlock(&root->fs_info->fs_mutex);
- return ret;
-}
-#endif
+
int btrfs_readpage_io_hook(struct page *page, u64 start, u64 end)
{
int ret = 0;
@@ -3049,7 +3023,6 @@ static struct file_operations btrfs_dir_file_operations = {
static struct extent_io_ops btrfs_extent_io_ops = {
.fill_delalloc = run_delalloc_range,
- // .writepage_io_hook = btrfs_writepage_io_hook,
.submit_bio_hook = btrfs_submit_bio_hook,
.readpage_io_hook = btrfs_readpage_io_hook,
.readpage_end_io_hook = btrfs_readpage_end_io_hook,