get rid of block_write_begin_newtrunc

Move the call to vmtruncate to get rid of accessive blocks to the callers
in preparation of the new truncate sequence and rename the non-truncating
version to block_write_begin.

While we're at it also remove several unused arguments to block_write_begin.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 7 insertions, 4 deletions

diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index bae2a516b4ee..2f11f0868d87 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -505,11 +505,14 @@ static int recover_dsync_blocks(struct nilfs_sb_info *sbi,
                 }
 
                 pos = rb->blkoff << inode->i_blkbits;
-                page = NULL;
-                err = block_write_begin(NULL, inode->i_mapping, pos, blocksize,
-                                        0, &page, NULL, nilfs_get_block);
-                if (unlikely(err))
+                err = block_write_begin(inode->i_mapping, pos, blocksize,
+                                        0, &page, nilfs_get_block);
+                if (unlikely(err)) {
+                        loff_t isize = inode->i_size;
+                        if (pos + blocksize > isize)
+                                vmtruncate(inode, isize);
                         goto failed_inode;
+                }
 
                 err = nilfs_recovery_copy_block(sbi, rb, page);
                 if (unlikely(err))