diff options
| -rw-r--r-- | fs/direct-io.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index 9d1d2aa73e42..910a8ed74b5d 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -524,8 +524,6 @@ static int get_more_blocks(struct dio *dio) */ ret = dio->page_errors; if (ret == 0) { - map_bh->b_state = 0; - map_bh->b_size = 0; BUG_ON(dio->block_in_file >= dio->final_block_in_request); fs_startblk = dio->block_in_file >> dio->blkfactor; dio_count = dio->final_block_in_request - dio->block_in_file; @@ -534,6 +532,9 @@ static int get_more_blocks(struct dio *dio) if (dio_count & blkmask) fs_count++; + map_bh->b_state = 0; + map_bh->b_size = fs_count << dio->inode->i_blkbits; + create = dio->rw == WRITE; if (dio->lock_type == DIO_LOCKING) { if (dio->block_in_file < (i_size_read(dio->inode) >> @@ -542,13 +543,13 @@ static int get_more_blocks(struct dio *dio) } else if (dio->lock_type == DIO_NO_LOCKING) { create = 0; } + /* * For writes inside i_size we forbid block creations: only * overwrites are permitted. We fall back to buffered writes * at a higher level for inside-i_size block-instantiating * writes. */ - map_bh->b_size = fs_count << dio->blkbits; ret = (*dio->get_block)(dio->inode, fs_startblk, map_bh, create); } |