aboutsummaryrefslogtreecommitdiffstats
path: root/fs/iomap/buffered-io.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/iomap/buffered-io.c')
-rw-r--r--fs/iomap/buffered-io.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 5c73751adb2d..c28ba474a25e 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -23,6 +23,7 @@ static struct iomap_page *
iomap_page_create(struct inode *inode, struct page *page)
{
struct iomap_page *iop = to_iomap_page(page);
+ unsigned int nr_blocks = PAGE_SIZE / i_blocksize(inode);
if (iop || i_blocksize(inode) == PAGE_SIZE)
return iop;
@@ -32,6 +33,8 @@ iomap_page_create(struct inode *inode, struct page *page)
atomic_set(&iop->write_count, 0);
spin_lock_init(&iop->uptodate_lock);
bitmap_zero(iop->uptodate, PAGE_SIZE / SECTOR_SIZE);
+ if (PageUptodate(page))
+ bitmap_fill(iop->uptodate, nr_blocks);
/*
* migrate_page_move_mapping() assumes that pages with private data have
@@ -535,7 +538,8 @@ iomap_write_failed(struct inode *inode, loff_t pos, unsigned len)
* write started inside the existing inode size.
*/
if (pos + len > i_size)
- truncate_pagecache_range(inode, max(pos, i_size), pos + len);
+ truncate_pagecache_range(inode, max(pos, i_size),
+ pos + len - 1);
}
static int