提交 7c0efc62 编写于 作者: N Nick Piggin 提交者: Linus Torvalds

hfsplus: convert to new aops

Signed-off-by: NNick Piggin <npiggin@suse.de>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 7903d9ee
......@@ -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)
......
......@@ -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,
......
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