diff options
Diffstat (limited to 'fs/buffer.c')
-rw-r--r-- | fs/buffer.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 7ff6e9346fa..a4b824234fb 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1440,6 +1440,7 @@ static void discard_buffer(struct buffer_head * bh) clear_buffer_req(bh); clear_buffer_new(bh); clear_buffer_delay(bh); + clear_buffer_unwritten(bh); unlock_buffer(bh); } @@ -1823,6 +1824,7 @@ static int __block_prepare_write(struct inode *inode, struct page *page, continue; } if (!buffer_uptodate(bh) && !buffer_delay(bh) && + !buffer_unwritten(bh) && (block_start < from || block_end > to)) { ll_rw_block(READ, 1, &bh); *wait_bh++=bh; @@ -2544,7 +2546,7 @@ int block_truncate_page(struct address_space *mapping, if (PageUptodate(page)) set_buffer_uptodate(bh); - if (!buffer_uptodate(bh) && !buffer_delay(bh)) { + if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh)) { err = -EIO; ll_rw_block(READ, 1, &bh); wait_on_buffer(bh); |