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-rw-r--r--fs/hfsplus/extents.c21
-rw-r--r--fs/hfsplus/inode.c18
2 files changed, 20 insertions, 19 deletions
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 1a7480089e82..12e899cd7886 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -443,21 +443,18 @@ void hfsplus_file_truncate(struct inode *inode)
if (inode->i_size > HFSPLUS_I(inode).phys_size) {
struct address_space *mapping = inode->i_mapping;
struct page *page;
- u32 size = inode->i_size - 1;
+ void *fsdata;
+ u32 size = inode->i_size;
int res;
- page = grab_cache_page(mapping, size >> PAGE_CACHE_SHIFT);
- if (!page)
- return;
- size &= PAGE_CACHE_SIZE - 1;
- size++;
- res = mapping->a_ops->prepare_write(NULL, page, size, size);
- if (!res)
- res = mapping->a_ops->commit_write(NULL, page, size, size);
+ res = pagecache_write_begin(NULL, mapping, size, 0,
+ AOP_FLAG_UNINTERRUPTIBLE,
+ &page, &fsdata);
if (res)
- inode->i_size = HFSPLUS_I(inode).phys_size;
- unlock_page(page);
- page_cache_release(page);
+ return;
+ res = pagecache_write_end(NULL, mapping, size, 0, 0, page, fsdata);
+ if (res < 0)
+ return;
mark_inode_dirty(inode);
return;
} else if (inode->i_size == HFSPLUS_I(inode).phys_size)
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 6f7c662174db..37744cf3706a 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -27,10 +27,14 @@ static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
return block_write_full_page(page, hfsplus_get_block, wbc);
}
-static int hfsplus_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
+static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata)
{
- return cont_prepare_write(page, from, to, hfsplus_get_block,
- &HFSPLUS_I(page->mapping->host).phys_size);
+ *pagep = NULL;
+ return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+ hfsplus_get_block,
+ &HFSPLUS_I(mapping->host).phys_size);
}
static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
@@ -114,8 +118,8 @@ const struct address_space_operations hfsplus_btree_aops = {
.readpage = hfsplus_readpage,
.writepage = hfsplus_writepage,
.sync_page = block_sync_page,
- .prepare_write = hfsplus_prepare_write,
- .commit_write = generic_commit_write,
+ .write_begin = hfsplus_write_begin,
+ .write_end = generic_write_end,
.bmap = hfsplus_bmap,
.releasepage = hfsplus_releasepage,
};
@@ -124,8 +128,8 @@ const struct address_space_operations hfsplus_aops = {
.readpage = hfsplus_readpage,
.writepage = hfsplus_writepage,
.sync_page = block_sync_page,
- .prepare_write = hfsplus_prepare_write,
- .commit_write = generic_commit_write,
+ .write_begin = hfsplus_write_begin,
+ .write_end = generic_write_end,
.bmap = hfsplus_bmap,
.direct_IO = hfsplus_direct_IO,
.writepages = hfsplus_writepages,